From e8ec7aa8e38a93f5b034ac74cebce5de23710317 Mon Sep 17 00:00:00 2001 From: hongbotian Date: Mon, 30 Nov 2015 01:45:08 -0500 Subject: upload http JIRA: BOTTLENECK-10 Change-Id: I7598427ff904df438ce77c2819ee48ac75ffa8da Signed-off-by: hongbotian --- .../httpd-2.0.64/srclib/apr/locks/beos/Makefile.in | 16 + .../srclib/apr/locks/beos/proc_mutex.c | 169 ++++ .../srclib/apr/locks/beos/thread_cond.c | 190 +++++ .../srclib/apr/locks/beos/thread_mutex.c | 147 ++++ .../srclib/apr/locks/beos/thread_rwlock.c | 190 +++++ .../srclib/apr/locks/netware/proc_mutex.c | 118 +++ .../srclib/apr/locks/netware/thread_cond.c | 100 +++ .../srclib/apr/locks/netware/thread_mutex.c | 92 +++ .../srclib/apr/locks/netware/thread_rwlock.c | 102 +++ .../httpd-2.0.64/srclib/apr/locks/os2/Makefile.in | 18 + .../httpd-2.0.64/srclib/apr/locks/os2/proc_mutex.c | 234 ++++++ .../srclib/apr/locks/os2/thread_cond.c | 60 ++ .../srclib/apr/locks/os2/thread_mutex.c | 102 +++ .../srclib/apr/locks/os2/thread_rwlock.c | 200 +++++ .../srclib/apr/locks/unix/.libs/global_mutex.o | Bin 0 -> 18376 bytes .../srclib/apr/locks/unix/.libs/proc_mutex.o | Bin 0 -> 49568 bytes .../srclib/apr/locks/unix/.libs/thread_cond.o | Bin 0 -> 15904 bytes .../srclib/apr/locks/unix/.libs/thread_mutex.o | Bin 0 -> 14992 bytes .../srclib/apr/locks/unix/.libs/thread_rwlock.o | Bin 0 -> 12440 bytes .../httpd-2.0.64/srclib/apr/locks/unix/Makefile | 19 + .../httpd-2.0.64/srclib/apr/locks/unix/Makefile.in | 19 + .../srclib/apr/locks/unix/global_mutex.c | 178 ++++ .../srclib/apr/locks/unix/global_mutex.lo | 12 + .../srclib/apr/locks/unix/global_mutex.o | Bin 0 -> 18336 bytes .../srclib/apr/locks/unix/proc_mutex.c | 894 +++++++++++++++++++++ .../srclib/apr/locks/unix/proc_mutex.lo | 12 + .../srclib/apr/locks/unix/proc_mutex.o | Bin 0 -> 48904 bytes .../srclib/apr/locks/unix/thread_cond.c | 152 ++++ .../srclib/apr/locks/unix/thread_cond.lo | 12 + .../srclib/apr/locks/unix/thread_cond.o | Bin 0 -> 15896 bytes .../srclib/apr/locks/unix/thread_mutex.c | 138 ++++ .../srclib/apr/locks/unix/thread_mutex.lo | 12 + .../srclib/apr/locks/unix/thread_mutex.o | Bin 0 -> 14856 bytes .../srclib/apr/locks/unix/thread_rwlock.c | 198 +++++ .../srclib/apr/locks/unix/thread_rwlock.lo | 12 + .../srclib/apr/locks/unix/thread_rwlock.o | Bin 0 -> 12432 bytes .../srclib/apr/locks/win32/proc_mutex.c | 223 +++++ .../srclib/apr/locks/win32/thread_cond.c | 128 +++ .../srclib/apr/locks/win32/thread_mutex.c | 136 ++++ .../srclib/apr/locks/win32/thread_rwlock.c | 165 ++++ 40 files changed, 4048 insertions(+) create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/beos/Makefile.in create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/beos/proc_mutex.c create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/beos/thread_cond.c create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/beos/thread_mutex.c create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/beos/thread_rwlock.c create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/netware/proc_mutex.c create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/netware/thread_cond.c create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/netware/thread_mutex.c create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/netware/thread_rwlock.c create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/os2/Makefile.in create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/os2/proc_mutex.c create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/os2/thread_cond.c create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/os2/thread_mutex.c create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/os2/thread_rwlock.c create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/.libs/global_mutex.o create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/.libs/proc_mutex.o create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/.libs/thread_cond.o create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/.libs/thread_mutex.o create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/.libs/thread_rwlock.o create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/Makefile create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/Makefile.in create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/global_mutex.c create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/global_mutex.lo create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/global_mutex.o create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/proc_mutex.c create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/proc_mutex.lo create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/proc_mutex.o create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_cond.c create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_cond.lo create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_cond.o create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_mutex.c create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_mutex.lo create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_mutex.o create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_rwlock.c create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_rwlock.lo create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_rwlock.o create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/win32/proc_mutex.c create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/win32/thread_cond.c create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/win32/thread_mutex.c create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr/locks/win32/thread_rwlock.c (limited to 'rubbos/app/httpd-2.0.64/srclib/apr/locks') diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/beos/Makefile.in b/rubbos/app/httpd-2.0.64/srclib/apr/locks/beos/Makefile.in new file mode 100644 index 00000000..6c8a1bcc --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/locks/beos/Makefile.in @@ -0,0 +1,16 @@ +srcdir = @srcdir@ +VPATH = @srcdir@ + +TARGETS = \ + thread_mutex.lo \ + thread_rwlock.lo \ + thread_cond.lo \ + proc_mutex.lo + +# bring in rules.mk for standard functionality +@INCLUDE_RULES@ + +INCDIR=../../include +INCLUDES=-I$(INCDIR) -I$(INCDIR)/arch + +# DO NOT REMOVE diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/beos/proc_mutex.c b/rubbos/app/httpd-2.0.64/srclib/apr/locks/beos/proc_mutex.c new file mode 100644 index 00000000..da315ce6 --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/locks/beos/proc_mutex.c @@ -0,0 +1,169 @@ +/* Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/*Read/Write locking implementation based on the MultiLock code from + * Stephen Beaulieu + */ + +#include "beos/apr_arch_proc_mutex.h" +#include "apr_strings.h" +#include "apr_portable.h" + +static apr_status_t _proc_mutex_cleanup(void * data) +{ + apr_proc_mutex_t *lock = (apr_proc_mutex_t*)data; + if (lock->LockCount != 0) { + /* we're still locked... */ + while (atomic_add(&lock->LockCount , -1) > 1){ + /* OK we had more than one person waiting on the lock so + * the sem is also locked. Release it until we have no more + * locks left. + */ + release_sem (lock->Lock); + } + } + delete_sem(lock->Lock); + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_proc_mutex_create(apr_proc_mutex_t **mutex, + const char *fname, + apr_lockmech_e mech, + apr_pool_t *pool) +{ + apr_proc_mutex_t *new; + apr_status_t stat = APR_SUCCESS; + + if (mech != APR_LOCK_DEFAULT) { + return APR_ENOTIMPL; + } + + new = (apr_proc_mutex_t *)apr_pcalloc(pool, sizeof(apr_proc_mutex_t)); + if (new == NULL){ + return APR_ENOMEM; + } + + if ((stat = create_sem(0, "APR_Lock")) < B_NO_ERROR) { + _proc_mutex_cleanup(new); + return stat; + } + new->LockCount = 0; + new->Lock = stat; + new->pool = pool; + + apr_pool_cleanup_register(new->pool, (void *)new, _proc_mutex_cleanup, + apr_pool_cleanup_null); + + (*mutex) = new; + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_proc_mutex_child_init(apr_proc_mutex_t **mutex, + const char *fname, + apr_pool_t *pool) +{ + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_proc_mutex_lock(apr_proc_mutex_t *mutex) +{ + int32 stat; + + if (atomic_add(&mutex->LockCount, 1) > 0) { + if ((stat = acquire_sem(mutex->Lock)) < B_NO_ERROR) { + atomic_add(&mutex->LockCount, -1); + return stat; + } + } + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_proc_mutex_trylock(apr_proc_mutex_t *mutex) +{ + return APR_ENOTIMPL; +} + +APR_DECLARE(apr_status_t) apr_proc_mutex_unlock(apr_proc_mutex_t *mutex) +{ + int32 stat; + + if (atomic_add(&mutex->LockCount, -1) > 1) { + if ((stat = release_sem(mutex->Lock)) < B_NO_ERROR) { + atomic_add(&mutex->LockCount, 1); + return stat; + } + } + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_proc_mutex_destroy(apr_proc_mutex_t *mutex) +{ + apr_status_t stat; + if ((stat = _proc_mutex_cleanup(mutex)) == APR_SUCCESS) { + apr_pool_cleanup_kill(mutex->pool, mutex, _proc_mutex_cleanup); + return APR_SUCCESS; + } + return stat; +} + +APR_DECLARE(apr_status_t) apr_proc_mutex_cleanup(void *mutex) +{ + return _proc_mutex_cleanup(mutex); +} + +APR_DECLARE(const char *) apr_proc_mutex_lockfile(apr_proc_mutex_t *mutex) +{ + return NULL; +} + +APR_DECLARE(const char *) apr_proc_mutex_name(apr_proc_mutex_t *mutex) +{ + return "beossem"; +} + +APR_DECLARE(const char *) apr_proc_mutex_defname(void) +{ + return "beossem"; +} + +APR_POOL_IMPLEMENT_ACCESSOR(proc_mutex) + +/* Implement OS-specific accessors defined in apr_portable.h */ + +APR_DECLARE(apr_status_t) apr_os_proc_mutex_get(apr_os_proc_mutex_t *ospmutex, + apr_proc_mutex_t *pmutex) +{ + ospmutex->sem = pmutex->Lock; + ospmutex->ben = pmutex->LockCount; + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_os_proc_mutex_put(apr_proc_mutex_t **pmutex, + apr_os_proc_mutex_t *ospmutex, + apr_pool_t *pool) +{ + if (pool == NULL) { + return APR_ENOPOOL; + } + if ((*pmutex) == NULL) { + (*pmutex) = (apr_proc_mutex_t *)apr_pcalloc(pool, sizeof(apr_proc_mutex_t)); + (*pmutex)->pool = pool; + } + (*pmutex)->Lock = ospmutex->sem; + (*pmutex)->LockCount = ospmutex->ben; + return APR_SUCCESS; +} + diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/beos/thread_cond.c b/rubbos/app/httpd-2.0.64/srclib/apr/locks/beos/thread_cond.c new file mode 100644 index 00000000..3729bf38 --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/locks/beos/thread_cond.c @@ -0,0 +1,190 @@ +/* Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "beos/apr_arch_thread_mutex.h" +#include "beos/apr_arch_thread_cond.h" +#include "apr_strings.h" +#include "apr_portable.h" + +static apr_status_t thread_cond_cleanup(void *data) +{ + struct waiter *w; + apr_thread_cond_t *cond = (apr_thread_cond_t *)data; + + acquire_sem(cond->lock); +/* + APR_RING_FOREACH(w, &cond->alist, waiter_t, link) { + delete_sem(w->sem); + } +*/ + delete_sem(cond->lock); + + return APR_SUCCESS; +} + +static struct waiter_t *make_waiter(apr_pool_t *pool) +{ + struct waiter_t *w = (struct waiter_t*) + apr_palloc(pool, sizeof(struct waiter_t)); + if (w == NULL) + return NULL; + + w->sem = create_sem(0, "apr conditional waiter"); + if (w->sem < 0) + return NULL; + + APR_RING_ELEM_INIT(w, link); + + return w; +} + +APR_DECLARE(apr_status_t) apr_thread_cond_create(apr_thread_cond_t **cond, + apr_pool_t *pool) +{ + apr_thread_cond_t *new_cond; + sem_id rv; + int i; + + new_cond = (apr_thread_cond_t *)apr_palloc(pool, sizeof(apr_thread_cond_t)); + + if (new_cond == NULL) + return APR_ENOMEM; + + if ((rv = create_sem(1, "apr conditional lock")) < B_OK) + return rv; + + new_cond->lock = rv; + new_cond->pool = pool; + APR_RING_INIT(&new_cond->alist, waiter_t, link); + APR_RING_INIT(&new_cond->flist, waiter_t, link); + + for (i=0;i < 10 ;i++) { + struct waiter_t *nw = make_waiter(pool); + APR_RING_INSERT_TAIL(&new_cond->flist, nw, waiter_t, link); + } + + apr_pool_cleanup_register(new_cond->pool, + (void *)new_cond, thread_cond_cleanup, + apr_pool_cleanup_null); + + *cond = new_cond; + return APR_SUCCESS; +} + + +static apr_status_t do_wait(apr_thread_cond_t *cond, apr_thread_mutex_t *mutex, + int timeout) +{ + struct waiter_t *wait; + thread_id cth = find_thread(NULL); + apr_status_t rv; + int flags = B_RELATIVE_TIMEOUT; + + /* We must be the owner of the mutex or we can't do this... */ + if (mutex->owner != cth) { + /* What should we return??? */ + return APR_EINVAL; + } + + acquire_sem(cond->lock); + wait = APR_RING_FIRST(&cond->flist); + if (wait) + APR_RING_REMOVE(wait, link); + else + wait = make_waiter(cond->pool); + APR_RING_INSERT_TAIL(&cond->alist, wait, waiter_t, link); + cond->condlock = mutex; + release_sem(cond->lock); + + apr_thread_mutex_unlock(cond->condlock); + + if (timeout == 0) + flags = 0; + + rv = acquire_sem_etc(wait->sem, 1, flags, timeout); + + apr_thread_mutex_lock(cond->condlock); + + if (rv != B_OK) + if (rv == B_TIMED_OUT) + return APR_TIMEUP; + return rv; + + acquire_sem(cond->lock); + APR_RING_REMOVE(wait, link); + APR_RING_INSERT_TAIL(&cond->flist, wait, waiter_t, link); + release_sem(cond->lock); + + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_cond_wait(apr_thread_cond_t *cond, + apr_thread_mutex_t *mutex) +{ + return do_wait(cond, mutex, 0); +} + +APR_DECLARE(apr_status_t) apr_thread_cond_timedwait(apr_thread_cond_t *cond, + apr_thread_mutex_t *mutex, + apr_interval_time_t timeout) +{ + return do_wait(cond, mutex, timeout); +} + +APR_DECLARE(apr_status_t) apr_thread_cond_signal(apr_thread_cond_t *cond) +{ + struct waiter_t *wake; + + acquire_sem(cond->lock); + if (!APR_RING_EMPTY(&cond->alist, waiter_t, link)) { + wake = APR_RING_FIRST(&cond->alist); + APR_RING_REMOVE(wake, link); + release_sem(wake->sem); + APR_RING_INSERT_TAIL(&cond->flist, wake, waiter_t, link); + } + release_sem(cond->lock); + + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_cond_broadcast(apr_thread_cond_t *cond) +{ + struct waiter_t *wake; + + acquire_sem(cond->lock); + while (! APR_RING_EMPTY(&cond->alist, waiter_t, link)) { + wake = APR_RING_FIRST(&cond->alist); + APR_RING_REMOVE(wake, link); + release_sem(wake->sem); + APR_RING_INSERT_TAIL(&cond->flist, wake, waiter_t, link); + } + release_sem(cond->lock); + + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_cond_destroy(apr_thread_cond_t *cond) +{ + apr_status_t stat; + if ((stat = thread_cond_cleanup(cond)) == APR_SUCCESS) { + apr_pool_cleanup_kill(cond->pool, cond, thread_cond_cleanup); + return APR_SUCCESS; + } + return stat; +} + +APR_POOL_IMPLEMENT_ACCESSOR(thread_cond) + diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/beos/thread_mutex.c b/rubbos/app/httpd-2.0.64/srclib/apr/locks/beos/thread_mutex.c new file mode 100644 index 00000000..1d23d3cf --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/locks/beos/thread_mutex.c @@ -0,0 +1,147 @@ +/* Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/*Read/Write locking implementation based on the MultiLock code from + * Stephen Beaulieu + */ + +#include "beos/apr_arch_thread_mutex.h" +#include "apr_strings.h" +#include "apr_portable.h" + +static apr_status_t _thread_mutex_cleanup(void * data) +{ + apr_thread_mutex_t *lock = (apr_thread_mutex_t*)data; + if (lock->LockCount != 0) { + /* we're still locked... */ + while (atomic_add(&lock->LockCount , -1) > 1){ + /* OK we had more than one person waiting on the lock so + * the sem is also locked. Release it until we have no more + * locks left. + */ + release_sem (lock->Lock); + } + } + delete_sem(lock->Lock); + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_mutex_create(apr_thread_mutex_t **mutex, + unsigned int flags, + apr_pool_t *pool) +{ + apr_thread_mutex_t *new_m; + apr_status_t stat = APR_SUCCESS; + + new_m = (apr_thread_mutex_t *)apr_pcalloc(pool, sizeof(apr_thread_mutex_t)); + if (new_m == NULL){ + return APR_ENOMEM; + } + + if ((stat = create_sem(0, "APR_Lock")) < B_NO_ERROR) { + _thread_mutex_cleanup(new_m); + return stat; + } + new_m->LockCount = 0; + new_m->Lock = stat; + new_m->pool = pool; + + /* Optimal default is APR_THREAD_MUTEX_UNNESTED, + * no additional checks required for either flag. + */ + new_m->nested = flags & APR_THREAD_MUTEX_NESTED; + + apr_pool_cleanup_register(new_m->pool, (void *)new_m, _thread_mutex_cleanup, + apr_pool_cleanup_null); + + (*mutex) = new_m; + return APR_SUCCESS; +} + +#if APR_HAS_CREATE_LOCKS_NP +APR_DECLARE(apr_status_t) apr_thread_mutex_create_np(apr_thread_mutex_t **mutex, + const char *fname, + apr_lockmech_e_np mech, + apr_pool_t *pool) +{ + return APR_ENOTIMPL; +} +#endif + +APR_DECLARE(apr_status_t) apr_thread_mutex_lock(apr_thread_mutex_t *mutex) +{ + int32 stat; + thread_id me = find_thread(NULL); + + if (mutex->nested && mutex->owner == me) { + mutex->owner_ref++; + return APR_SUCCESS; + } + + if (atomic_add(&mutex->LockCount, 1) > 0) { + if ((stat = acquire_sem(mutex->Lock)) < B_NO_ERROR) { + /* Oh dear, acquire_sem failed!! */ + atomic_add(&mutex->LockCount, -1); + return stat; + } + } + + mutex->owner = me; + mutex->owner_ref = 1; + + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_mutex_trylock(apr_thread_mutex_t *mutex) +{ + return APR_ENOTIMPL; +} + +APR_DECLARE(apr_status_t) apr_thread_mutex_unlock(apr_thread_mutex_t *mutex) +{ + int32 stat; + + if (mutex->nested && mutex->owner == find_thread(NULL)) { + mutex->owner_ref--; + if (mutex->owner_ref > 0) + return APR_SUCCESS; + } + + if (atomic_add(&mutex->LockCount, -1) > 1) { + if ((stat = release_sem(mutex->Lock)) < B_NO_ERROR) { + atomic_add(&mutex->LockCount, 1); + return stat; + } + } + + mutex->owner = -1; + mutex->owner_ref = 0; + + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_mutex_destroy(apr_thread_mutex_t *mutex) +{ + apr_status_t stat; + if ((stat = _thread_mutex_cleanup(mutex)) == APR_SUCCESS) { + apr_pool_cleanup_kill(mutex->pool, mutex, _thread_mutex_cleanup); + return APR_SUCCESS; + } + return stat; +} + +APR_POOL_IMPLEMENT_ACCESSOR(thread_mutex) + diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/beos/thread_rwlock.c b/rubbos/app/httpd-2.0.64/srclib/apr/locks/beos/thread_rwlock.c new file mode 100644 index 00000000..915b919c --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/locks/beos/thread_rwlock.c @@ -0,0 +1,190 @@ +/* Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/*Read/Write locking implementation based on the MultiLock code from + * Stephen Beaulieu + */ + +#include "beos/apr_arch_thread_rwlock.h" +#include "apr_strings.h" +#include "apr_portable.h" + +#define BIG_NUM 100000 + +static apr_status_t _thread_rw_cleanup(void * data) +{ + apr_thread_rwlock_t *mutex = (apr_thread_rwlock_t*)data; + + if (mutex->ReadCount != 0) { + while (atomic_add(&mutex->ReadCount , -1) > 1){ + release_sem (mutex->Read); + } + } + if (mutex->WriteCount != 0) { + while (atomic_add(&mutex->WriteCount , -1) > 1){ + release_sem (mutex->Write); + } + } + if (mutex->LockCount != 0) { + while (atomic_add(&mutex->LockCount , -1) > 1){ + release_sem (mutex->Lock); + } + } + + delete_sem(mutex->Read); + delete_sem(mutex->Write); + delete_sem(mutex->Lock); + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_rwlock_create(apr_thread_rwlock_t **rwlock, + apr_pool_t *pool) +{ + apr_thread_rwlock_t *new; + + new = (apr_thread_rwlock_t *)apr_pcalloc(pool, sizeof(apr_thread_rwlock_t)); + if (new == NULL){ + return APR_ENOMEM; + } + + new->pool = pool; + /* we need to make 3 locks... */ + new->ReadCount = 0; + new->WriteCount = 0; + new->LockCount = 0; + new->Read = create_sem(0, "APR_ReadLock"); + new->Write = create_sem(0, "APR_WriteLock"); + new->Lock = create_sem(0, "APR_Lock"); + + if (new->Lock < 0 || new->Read < 0 || new->Write < 0) { + _thread_rw_cleanup(new); + return -1; + } + + apr_pool_cleanup_register(new->pool, (void *)new, _thread_rw_cleanup, + apr_pool_cleanup_null); + (*rwlock) = new; + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_rwlock_rdlock(apr_thread_rwlock_t *rwlock) +{ + int32 rv = APR_SUCCESS; + + if (find_thread(NULL) == rwlock->writer) { + /* we're the writer - no problem */ + rwlock->Nested++; + } else { + /* we're not the writer */ + int32 r = atomic_add(&rwlock->ReadCount, 1); + if (r < 0) { + /* Oh dear, writer holds lock, wait for sem */ + rv = acquire_sem_etc(rwlock->Read, 1, B_DO_NOT_RESCHEDULE, + B_INFINITE_TIMEOUT); + } + } + + return rv; +} + +APR_DECLARE(apr_status_t) apr_thread_rwlock_tryrdlock(apr_thread_rwlock_t *rwlock) +{ + return APR_ENOTIMPL; +} + +APR_DECLARE(apr_status_t) apr_thread_rwlock_wrlock(apr_thread_rwlock_t *rwlock) +{ + int rv = APR_SUCCESS; + + if (find_thread(NULL) == rwlock->writer) { + rwlock->Nested++; + } else { + /* we're not the writer... */ + if (atomic_add(&rwlock->LockCount, 1) >= 1) { + /* we're locked - acquire the sem */ + rv = acquire_sem_etc(rwlock->Lock, 1, B_DO_NOT_RESCHEDULE, + B_INFINITE_TIMEOUT); + } + if (rv == APR_SUCCESS) { + /* decrement the ReadCount to a large -ve number so that + * we block on new readers... + */ + int32 readers = atomic_add(&rwlock->ReadCount, -BIG_NUM); + if (readers > 0) { + /* readers are holding the lock */ + rv = acquire_sem_etc(rwlock->Write, readers, B_DO_NOT_RESCHEDULE, + B_INFINITE_TIMEOUT); + } + if (rv == APR_SUCCESS) + rwlock->writer = find_thread(NULL); + } + } + + return rv; +} + +APR_DECLARE(apr_status_t) apr_thread_rwlock_trywrlock(apr_thread_rwlock_t *rwlock) +{ + return APR_ENOTIMPL; +} + +APR_DECLARE(apr_status_t) apr_thread_rwlock_unlock(apr_thread_rwlock_t *rwlock) +{ + apr_status_t rv = APR_SUCCESS; + int32 readers; + + /* we know we hold the lock, so don't check it :) */ + if (find_thread(NULL) == rwlock->writer) { + /* we know we hold the lock, so don't check it :) */ + if (rwlock->Nested > 1) { + /* we're recursively locked */ + rwlock->Nested--; + return APR_SUCCESS; + } + /* OK so we need to release the sem if we have it :) */ + readers = atomic_add(&rwlock->ReadCount, BIG_NUM) + BIG_NUM; + if (readers > 0) { + rv = release_sem_etc(rwlock->Read, readers, B_DO_NOT_RESCHEDULE); + } + if (rv == APR_SUCCESS) { + rwlock->writer = -1; + if (atomic_add(&rwlock->LockCount, -1) > 1) { + rv = release_sem_etc(rwlock->Lock, 1, B_DO_NOT_RESCHEDULE); + } + } + } else { + /* We weren't the Writer, so just release the ReadCount... */ + if (atomic_add(&rwlock->ReadCount, -1) < 0) { + /* we have a writer waiting for the lock, so release it */ + rv = release_sem_etc(rwlock->Write, 1, B_DO_NOT_RESCHEDULE); + } + } + + return rv; +} + +APR_DECLARE(apr_status_t) apr_thread_rwlock_destroy(apr_thread_rwlock_t *rwlock) +{ + apr_status_t stat; + if ((stat = _thread_rw_cleanup(rwlock)) == APR_SUCCESS) { + apr_pool_cleanup_kill(rwlock->pool, rwlock, _thread_rw_cleanup); + return APR_SUCCESS; + } + return stat; +} + +APR_POOL_IMPLEMENT_ACCESSOR(thread_rwlock) + diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/netware/proc_mutex.c b/rubbos/app/httpd-2.0.64/srclib/apr/locks/netware/proc_mutex.c new file mode 100644 index 00000000..77411d0b --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/locks/netware/proc_mutex.c @@ -0,0 +1,118 @@ +/* Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "apr.h" +#include "apr_private.h" +#include "apr_portable.h" +#include "apr_arch_proc_mutex.h" +#include "apr_arch_thread_mutex.h" + +APR_DECLARE(apr_status_t) apr_proc_mutex_create(apr_proc_mutex_t **mutex, + const char *fname, + apr_lockmech_e mech, + apr_pool_t *pool) +{ + apr_status_t ret; + apr_proc_mutex_t *new_mutex = NULL; + new_mutex = (apr_proc_mutex_t *)apr_pcalloc(pool, sizeof(apr_proc_mutex_t)); + + if(new_mutex ==NULL) { + return APR_ENOMEM; + } + + new_mutex->pool = pool; + ret = apr_thread_mutex_create(&(new_mutex->mutex), APR_THREAD_MUTEX_DEFAULT, pool); + + if (ret == APR_SUCCESS) + *mutex = new_mutex; + + return ret; +} + +APR_DECLARE(apr_status_t) apr_proc_mutex_child_init(apr_proc_mutex_t **mutex, + const char *fname, + apr_pool_t *pool) +{ + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_proc_mutex_lock(apr_proc_mutex_t *mutex) +{ + if (mutex) + return apr_thread_mutex_lock(mutex->mutex); + return APR_ENOLOCK; +} + +APR_DECLARE(apr_status_t) apr_proc_mutex_trylock(apr_proc_mutex_t *mutex) +{ + if (mutex) + return apr_thread_mutex_trylock(mutex->mutex); + return APR_ENOLOCK; +} + +APR_DECLARE(apr_status_t) apr_proc_mutex_unlock(apr_proc_mutex_t *mutex) +{ + if (mutex) + return apr_thread_mutex_unlock(mutex->mutex); + return APR_ENOLOCK; +} + +APR_DECLARE(apr_status_t) apr_proc_mutex_cleanup(void *mutex) +{ + return apr_proc_mutex_destroy(mutex); +} + +APR_DECLARE(apr_status_t) apr_proc_mutex_destroy(apr_proc_mutex_t *mutex) +{ + if (mutex) + return apr_thread_mutex_destroy(mutex->mutex); + return APR_ENOLOCK; +} + +APR_DECLARE(const char *) apr_proc_mutex_lockfile(apr_proc_mutex_t *mutex) +{ + return NULL; +} + +APR_DECLARE(const char *) apr_proc_mutex_name(apr_proc_mutex_t *mutex) +{ + return "netwarethread"; +} + +APR_DECLARE(const char *) apr_proc_mutex_defname(void) +{ + return "netwarethread"; +} + +APR_POOL_IMPLEMENT_ACCESSOR(proc_mutex) + +/* Implement OS-specific accessors defined in apr_portable.h */ + +apr_status_t apr_os_proc_mutex_get(apr_os_proc_mutex_t *ospmutex, + apr_proc_mutex_t *pmutex) +{ + if (pmutex) + ospmutex = pmutex->mutex->mutex; + return APR_ENOLOCK; +} + +apr_status_t apr_os_proc_mutex_put(apr_proc_mutex_t **pmutex, + apr_os_proc_mutex_t *ospmutex, + apr_pool_t *pool) +{ + return APR_ENOTIMPL; +} + diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/netware/thread_cond.c b/rubbos/app/httpd-2.0.64/srclib/apr/locks/netware/thread_cond.c new file mode 100644 index 00000000..dcb21edc --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/locks/netware/thread_cond.c @@ -0,0 +1,100 @@ +/* Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include + +#include "apr.h" +#include "apr_private.h" +#include "apr_general.h" +#include "apr_strings.h" +#include "apr_arch_thread_mutex.h" +#include "apr_arch_thread_cond.h" +#include "apr_portable.h" + +static apr_status_t thread_cond_cleanup(void *data) +{ + apr_thread_cond_t *cond = (apr_thread_cond_t *)data; + + NXCondFree(cond->cond); + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_cond_create(apr_thread_cond_t **cond, + apr_pool_t *pool) +{ + apr_thread_cond_t *new_cond = NULL; + + new_cond = (apr_thread_cond_t *)apr_pcalloc(pool, sizeof(apr_thread_cond_t)); + + if(new_cond ==NULL) { + return APR_ENOMEM; + } + new_cond->pool = pool; + + new_cond->cond = NXCondAlloc(NULL); + + if(new_cond->cond == NULL) + return APR_ENOMEM; + + apr_pool_cleanup_register(new_cond->pool, new_cond, + (void*)thread_cond_cleanup, + apr_pool_cleanup_null); + *cond = new_cond; + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_cond_wait(apr_thread_cond_t *cond, + apr_thread_mutex_t *mutex) +{ + if (NXCondWait(cond->cond, mutex->mutex) != 0) + return APR_EINTR; + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_cond_timedwait(apr_thread_cond_t *cond, + apr_thread_mutex_t *mutex, + apr_interval_time_t timeout){ + if (NXCondTimedWait(cond->cond, mutex->mutex, + (timeout*1000)/NXGetSystemTick()) == NX_ETIMEDOUT) { + return APR_TIMEUP; + } + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_cond_signal(apr_thread_cond_t *cond) +{ + NXCondSignal(cond->cond); + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_cond_broadcast(apr_thread_cond_t *cond) +{ + NXCondBroadcast(cond->cond); + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_cond_destroy(apr_thread_cond_t *cond) +{ + apr_status_t stat; + if ((stat = thread_cond_cleanup(cond)) == APR_SUCCESS) { + apr_pool_cleanup_kill(cond->pool, cond, thread_cond_cleanup); + return APR_SUCCESS; + } + return stat; +} + +APR_POOL_IMPLEMENT_ACCESSOR(thread_cond) + diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/netware/thread_mutex.c b/rubbos/app/httpd-2.0.64/srclib/apr/locks/netware/thread_mutex.c new file mode 100644 index 00000000..98bf33bd --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/locks/netware/thread_mutex.c @@ -0,0 +1,92 @@ +/* Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "apr.h" +#include "apr_private.h" +#include "apr_general.h" +#include "apr_strings.h" +#include "apr_arch_thread_mutex.h" +#include "apr_portable.h" + +static apr_status_t thread_mutex_cleanup(void *data) +{ + apr_thread_mutex_t *mutex = (apr_thread_mutex_t *)data; + + NXMutexFree(mutex->mutex); + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_mutex_create(apr_thread_mutex_t **mutex, + unsigned int flags, + apr_pool_t *pool) +{ + apr_thread_mutex_t *new_mutex = NULL; + + /* XXX: Implement _UNNESTED flavor and favor _DEFAULT for performance + */ + if (flags & APR_THREAD_MUTEX_UNNESTED) { + return APR_ENOTIMPL; + } + new_mutex = (apr_thread_mutex_t *)apr_pcalloc(pool, sizeof(apr_thread_mutex_t)); + + if(new_mutex ==NULL) { + return APR_ENOMEM; + } + new_mutex->pool = pool; + + new_mutex->mutex = NXMutexAlloc(NX_MUTEX_RECURSIVE, 0, NULL); + + if(new_mutex->mutex == NULL) + return APR_ENOMEM; + + apr_pool_cleanup_register(new_mutex->pool, new_mutex, + (void*)thread_mutex_cleanup, + apr_pool_cleanup_null); + *mutex = new_mutex; + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_mutex_lock(apr_thread_mutex_t *mutex) +{ + NXLock(mutex->mutex); + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_mutex_trylock(apr_thread_mutex_t *mutex) +{ + if (!NXTryLock(mutex->mutex)) + return APR_EBUSY; + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_mutex_unlock(apr_thread_mutex_t *mutex) +{ + NXUnlock(mutex->mutex); + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_mutex_destroy(apr_thread_mutex_t *mutex) +{ + apr_status_t stat; + if ((stat = thread_mutex_cleanup(mutex)) == APR_SUCCESS) { + apr_pool_cleanup_kill(mutex->pool, mutex, thread_mutex_cleanup); + return APR_SUCCESS; + } + return stat; +} + +APR_POOL_IMPLEMENT_ACCESSOR(thread_mutex) + diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/netware/thread_rwlock.c b/rubbos/app/httpd-2.0.64/srclib/apr/locks/netware/thread_rwlock.c new file mode 100644 index 00000000..d0bf3ddf --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/locks/netware/thread_rwlock.c @@ -0,0 +1,102 @@ +/* Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "apr.h" +#include "apr_private.h" +#include "apr_general.h" +#include "apr_strings.h" +#include "apr_arch_thread_rwlock.h" +#include "apr_portable.h" + +static apr_status_t thread_rwlock_cleanup(void *data) +{ + apr_thread_rwlock_t *rwlock = (apr_thread_rwlock_t *)data; + + NXRwLockFree (rwlock->rwlock); + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_rwlock_create(apr_thread_rwlock_t **rwlock, + apr_pool_t *pool) +{ + apr_thread_rwlock_t *new_rwlock = NULL; + + NXHierarchy_t hierarchy = 1; //for libc NKS NXRwLockAlloc + NXLockInfo_t *info; //for libc NKS NXRwLockAlloc + + new_rwlock = (apr_thread_rwlock_t *)apr_pcalloc(pool, sizeof(apr_thread_rwlock_t)); + + if(new_rwlock ==NULL) { + return APR_ENOMEM; + } + new_rwlock->pool = pool; + + info = (NXLockInfo_t *)apr_pcalloc(pool, sizeof(NXLockInfo_t)); + new_rwlock->rwlock = NXRwLockAlloc(hierarchy, info); + if(new_rwlock->rwlock == NULL) + return APR_ENOMEM; + + apr_pool_cleanup_register(new_rwlock->pool, new_rwlock, thread_rwlock_cleanup, + apr_pool_cleanup_null); + *rwlock = new_rwlock; + + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_rwlock_rdlock(apr_thread_rwlock_t *rwlock) +{ + NXRdLock(rwlock->rwlock); + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_rwlock_tryrdlock(apr_thread_rwlock_t *rwlock) +{ + if (!NXTryRdLock(rwlock->rwlock)) + return APR_EBUSY; + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_rwlock_wrlock(apr_thread_rwlock_t *rwlock) +{ + NXWrLock(rwlock->rwlock); + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_rwlock_trywrlock(apr_thread_rwlock_t *rwlock) +{ + if (!NXTryWrLock(rwlock->rwlock)) + return APR_EBUSY; + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_rwlock_unlock(apr_thread_rwlock_t *rwlock) +{ + NXRwUnlock(rwlock->rwlock); + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_rwlock_destroy(apr_thread_rwlock_t *rwlock) +{ + apr_status_t stat; + if ((stat = thread_rwlock_cleanup(rwlock)) == APR_SUCCESS) { + apr_pool_cleanup_kill(rwlock->pool, rwlock, thread_rwlock_cleanup); + return APR_SUCCESS; + } + return stat; +} + +APR_POOL_IMPLEMENT_ACCESSOR(thread_rwlock) + diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/os2/Makefile.in b/rubbos/app/httpd-2.0.64/srclib/apr/locks/os2/Makefile.in new file mode 100644 index 00000000..e22f85c9 --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/locks/os2/Makefile.in @@ -0,0 +1,18 @@ +srcdir = @srcdir@ +VPATH = @srcdir@ + +TARGETS = \ + thread_mutex.lo \ + thread_rwlock.lo \ + thread_cond.lo \ + proc_mutex.lo + +# bring in rules.mk for standard functionality +@INCLUDE_RULES@ + +INCDIR=../../include +OSDIR=$(INCDIR)/arch/@OSDIR@ +DEFOSDIR=$(INCDIR)/arch/@DEFAULT_OSDIR@ +INCLUDES=-I$(INCDIR) -I$(OSDIR) -I$(DEFOSDIR) + +# DO NOT REMOVE diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/os2/proc_mutex.c b/rubbos/app/httpd-2.0.64/srclib/apr/locks/os2/proc_mutex.c new file mode 100644 index 00000000..5a493563 --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/locks/os2/proc_mutex.c @@ -0,0 +1,234 @@ +/* Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "apr_general.h" +#include "apr_lib.h" +#include "apr_strings.h" +#include "apr_portable.h" +#include "apr_arch_proc_mutex.h" +#include "apr_arch_file_io.h" +#include +#include + +#define CurrentTid (*_threadid) + +static char *fixed_name(const char *fname, apr_pool_t *pool) +{ + char *semname; + + if (fname == NULL) + semname = NULL; + else { + // Semaphores don't live in the file system, fix up the name + while (*fname == '/' || *fname == '\\') { + fname++; + } + + semname = apr_pstrcat(pool, "/SEM32/", fname, NULL); + + if (semname[8] == ':') { + semname[8] = '$'; + } + } + + return semname; +} + + + +APR_DECLARE(apr_status_t) apr_proc_mutex_cleanup(void *vmutex) +{ + apr_proc_mutex_t *mutex = vmutex; + return apr_proc_mutex_destroy(mutex); +} + +APR_DECLARE(const char *) apr_proc_mutex_lockfile(apr_proc_mutex_t *mutex) +{ + return NULL; +} + +APR_DECLARE(const char *) apr_proc_mutex_name(apr_proc_mutex_t *mutex) +{ + return "os2sem"; +} + +APR_DECLARE(const char *) apr_proc_mutex_defname(void) +{ + return "os2sem"; +} + + +APR_DECLARE(apr_status_t) apr_proc_mutex_create(apr_proc_mutex_t **mutex, + const char *fname, + apr_lockmech_e mech, + apr_pool_t *pool) +{ + apr_proc_mutex_t *new; + ULONG rc; + char *semname; + + if (mech != APR_LOCK_DEFAULT) { + return APR_ENOTIMPL; + } + + new = (apr_proc_mutex_t *)apr_palloc(pool, sizeof(apr_proc_mutex_t)); + new->pool = pool; + new->owner = 0; + new->lock_count = 0; + *mutex = new; + + semname = fixed_name(fname, pool); + rc = DosCreateMutexSem(semname, &(new->hMutex), DC_SEM_SHARED, FALSE); + + if (!rc) { + apr_pool_cleanup_register(pool, new, apr_proc_mutex_cleanup, apr_pool_cleanup_null); + } + + return APR_FROM_OS_ERROR(rc); +} + + + +APR_DECLARE(apr_status_t) apr_proc_mutex_child_init(apr_proc_mutex_t **mutex, + const char *fname, + apr_pool_t *pool) +{ + apr_proc_mutex_t *new; + ULONG rc; + char *semname; + + new = (apr_proc_mutex_t *)apr_palloc(pool, sizeof(apr_proc_mutex_t)); + new->pool = pool; + new->owner = 0; + new->lock_count = 0; + + semname = fixed_name(fname, pool); + rc = DosOpenMutexSem(semname, &(new->hMutex)); + *mutex = new; + + if (!rc) { + apr_pool_cleanup_register(pool, new, apr_proc_mutex_cleanup, apr_pool_cleanup_null); + } + + return APR_FROM_OS_ERROR(rc); +} + + + +APR_DECLARE(apr_status_t) apr_proc_mutex_lock(apr_proc_mutex_t *mutex) +{ + ULONG rc = DosRequestMutexSem(mutex->hMutex, SEM_INDEFINITE_WAIT); + + if (rc == 0) { + mutex->owner = CurrentTid; + mutex->lock_count++; + } + + return APR_FROM_OS_ERROR(rc); +} + + + +APR_DECLARE(apr_status_t) apr_proc_mutex_trylock(apr_proc_mutex_t *mutex) +{ + ULONG rc = DosRequestMutexSem(mutex->hMutex, SEM_IMMEDIATE_RETURN); + + if (rc == 0) { + mutex->owner = CurrentTid; + mutex->lock_count++; + } + + return APR_FROM_OS_ERROR(rc); +} + + + +APR_DECLARE(apr_status_t) apr_proc_mutex_unlock(apr_proc_mutex_t *mutex) +{ + ULONG rc; + + if (mutex->owner == CurrentTid && mutex->lock_count > 0) { + mutex->lock_count--; + rc = DosReleaseMutexSem(mutex->hMutex); + return APR_FROM_OS_ERROR(rc); + } + + return APR_SUCCESS; +} + + + +APR_DECLARE(apr_status_t) apr_proc_mutex_destroy(apr_proc_mutex_t *mutex) +{ + ULONG rc; + apr_status_t status = APR_SUCCESS; + + if (mutex->owner == CurrentTid) { + while (mutex->lock_count > 0 && status == APR_SUCCESS) { + status = apr_proc_mutex_unlock(mutex); + } + } + + if (status != APR_SUCCESS) { + return status; + } + + if (mutex->hMutex == 0) { + return APR_SUCCESS; + } + + rc = DosCloseMutexSem(mutex->hMutex); + + if (!rc) { + mutex->hMutex = 0; + } + + return APR_FROM_OS_ERROR(rc); +} + + + +APR_POOL_IMPLEMENT_ACCESSOR(proc_mutex) + + + +/* Implement OS-specific accessors defined in apr_portable.h */ + +APR_DECLARE(apr_status_t) apr_os_proc_mutex_get(apr_os_proc_mutex_t *ospmutex, + apr_proc_mutex_t *pmutex) +{ + *ospmutex = pmutex->hMutex; + return APR_ENOTIMPL; +} + + + +APR_DECLARE(apr_status_t) apr_os_proc_mutex_put(apr_proc_mutex_t **pmutex, + apr_os_proc_mutex_t *ospmutex, + apr_pool_t *pool) +{ + apr_proc_mutex_t *new; + + new = (apr_proc_mutex_t *)apr_palloc(pool, sizeof(apr_proc_mutex_t)); + new->pool = pool; + new->owner = 0; + new->lock_count = 0; + new->hMutex = *ospmutex; + *pmutex = new; + + return APR_SUCCESS; +} + diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/os2/thread_cond.c b/rubbos/app/httpd-2.0.64/srclib/apr/locks/os2/thread_cond.c new file mode 100644 index 00000000..ec6034f5 --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/locks/os2/thread_cond.c @@ -0,0 +1,60 @@ +/* Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "apr_general.h" +#include "apr_lib.h" +#include "apr_strings.h" +#include "apr_portable.h" +#include "apr_arch_thread_mutex.h" +#include "apr_arch_thread_cond.h" +#include "apr_arch_file_io.h" +#include + +APR_DECLARE(apr_status_t) apr_thread_cond_create(apr_thread_cond_t **cond, + apr_pool_t *pool) +{ + return APR_ENOTIMPL; +} + +APR_DECLARE(apr_status_t) apr_thread_cond_wait(apr_thread_cond_t *cond, + apr_thread_mutex_t *mutex) +{ + return APR_ENOTIMPL; +} + +APR_DECLARE(apr_status_t) apr_thread_cond_timedwait(apr_thread_cond_t *cond, + apr_thread_mutex_t *mutex, + apr_interval_time_t timeout){ + return APR_ENOTIMPL; +} + +APR_DECLARE(apr_status_t) apr_thread_cond_signal(apr_thread_cond_t *cond) +{ + return APR_ENOTIMPL; +} + +APR_DECLARE(apr_status_t) apr_thread_cond_broadcast(apr_thread_cond_t *cond) +{ + return APR_ENOTIMPL; +} + +APR_DECLARE(apr_status_t) apr_thread_cond_destroy(apr_thread_cond_t *cond) +{ + return APR_ENOTIMPL; +} + +APR_POOL_IMPLEMENT_ACCESSOR(thread_cond) + diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/os2/thread_mutex.c b/rubbos/app/httpd-2.0.64/srclib/apr/locks/os2/thread_mutex.c new file mode 100644 index 00000000..5d8436be --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/locks/os2/thread_mutex.c @@ -0,0 +1,102 @@ +/* Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "apr_general.h" +#include "apr_lib.h" +#include "apr_strings.h" +#include "apr_portable.h" +#include "apr_arch_thread_mutex.h" +#include "apr_arch_file_io.h" +#include +#include + +static apr_status_t thread_mutex_cleanup(void *themutex) +{ + apr_thread_mutex_t *mutex = themutex; + return apr_thread_mutex_destroy(mutex); +} + + + +/* XXX: Need to respect APR_THREAD_MUTEX_[UN]NESTED flags argument + * or return APR_ENOTIMPL!!! + */ +APR_DECLARE(apr_status_t) apr_thread_mutex_create(apr_thread_mutex_t **mutex, + unsigned int flags, + apr_pool_t *pool) +{ + apr_thread_mutex_t *new_mutex; + ULONG rc; + + new_mutex = (apr_thread_mutex_t *)apr_palloc(pool, sizeof(apr_thread_mutex_t)); + new_mutex->pool = pool; + + rc = DosCreateMutexSem(NULL, &(new_mutex->hMutex), 0, FALSE); + *mutex = new_mutex; + + if (!rc) + apr_pool_cleanup_register(pool, new_mutex, thread_mutex_cleanup, apr_pool_cleanup_null); + + return APR_OS2_STATUS(rc); +} + + + +APR_DECLARE(apr_status_t) apr_thread_mutex_lock(apr_thread_mutex_t *mutex) +{ + ULONG rc = DosRequestMutexSem(mutex->hMutex, SEM_INDEFINITE_WAIT); + return APR_OS2_STATUS(rc); +} + + + +APR_DECLARE(apr_status_t) apr_thread_mutex_trylock(apr_thread_mutex_t *mutex) +{ + ULONG rc = DosRequestMutexSem(mutex->hMutex, SEM_IMMEDIATE_RETURN); + return APR_OS2_STATUS(rc); +} + + + +APR_DECLARE(apr_status_t) apr_thread_mutex_unlock(apr_thread_mutex_t *mutex) +{ + ULONG rc = DosReleaseMutexSem(mutex->hMutex); + return APR_OS2_STATUS(rc); +} + + + +APR_DECLARE(apr_status_t) apr_thread_mutex_destroy(apr_thread_mutex_t *mutex) +{ + ULONG rc; + + if (mutex->hMutex == 0) + return APR_SUCCESS; + + while (DosReleaseMutexSem(mutex->hMutex) == 0); + + rc = DosCloseMutexSem(mutex->hMutex); + + if (!rc) { + mutex->hMutex = 0; + return APR_SUCCESS; + } + + return APR_FROM_OS_ERROR(rc); +} + +APR_POOL_IMPLEMENT_ACCESSOR(thread_mutex) + diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/os2/thread_rwlock.c b/rubbos/app/httpd-2.0.64/srclib/apr/locks/os2/thread_rwlock.c new file mode 100644 index 00000000..195a56bd --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/locks/os2/thread_rwlock.c @@ -0,0 +1,200 @@ +/* Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "apr_general.h" +#include "apr_lib.h" +#include "apr_strings.h" +#include "apr_portable.h" +#include "apr_arch_thread_rwlock.h" +#include "apr_arch_file_io.h" +#include + +static apr_status_t thread_rwlock_cleanup(void *therwlock) +{ + apr_thread_rwlock_t *rwlock = therwlock; + return apr_thread_rwlock_destroy(rwlock); +} + + + +APR_DECLARE(apr_status_t) apr_thread_rwlock_create(apr_thread_rwlock_t **rwlock, + apr_pool_t *pool) +{ + apr_thread_rwlock_t *new_rwlock; + ULONG rc; + + new_rwlock = (apr_thread_rwlock_t *)apr_palloc(pool, sizeof(apr_thread_rwlock_t)); + new_rwlock->pool = pool; + new_rwlock->readers = 0; + + rc = DosCreateMutexSem(NULL, &(new_rwlock->write_lock), 0, FALSE); + + if (rc) + return APR_FROM_OS_ERROR(rc); + + rc = DosCreateEventSem(NULL, &(new_rwlock->read_done), 0, FALSE); + + if (rc) + return APR_FROM_OS_ERROR(rc); + + *rwlock = new_rwlock; + + if (!rc) + apr_pool_cleanup_register(pool, new_rwlock, thread_rwlock_cleanup, + apr_pool_cleanup_null); + + return APR_FROM_OS_ERROR(rc); +} + + + +APR_DECLARE(apr_status_t) apr_thread_rwlock_rdlock(apr_thread_rwlock_t *rwlock) +{ + ULONG rc, posts; + + rc = DosRequestMutexSem(rwlock->write_lock, SEM_INDEFINITE_WAIT); + + if (rc) + return APR_FROM_OS_ERROR(rc); + + /* We've successfully acquired the writer mutex so we can't be locked + * for write which means it's ok to add a reader lock. The writer mutex + * doubles as race condition protection for the readers counter. + */ + rwlock->readers++; + DosResetEventSem(rwlock->read_done, &posts); + rc = DosReleaseMutexSem(rwlock->write_lock); + return APR_FROM_OS_ERROR(rc); +} + + + +APR_DECLARE(apr_status_t) apr_thread_rwlock_tryrdlock(apr_thread_rwlock_t *rwlock) +{ + /* As above but with different wait time */ + ULONG rc, posts; + + rc = DosRequestMutexSem(rwlock->write_lock, SEM_IMMEDIATE_RETURN); + + if (rc) + return APR_FROM_OS_ERROR(rc); + + rwlock->readers++; + DosResetEventSem(rwlock->read_done, &posts); + rc = DosReleaseMutexSem(rwlock->write_lock); + return APR_FROM_OS_ERROR(rc); +} + + + +APR_DECLARE(apr_status_t) apr_thread_rwlock_wrlock(apr_thread_rwlock_t *rwlock) +{ + ULONG rc; + + rc = DosRequestMutexSem(rwlock->write_lock, SEM_INDEFINITE_WAIT); + + if (rc) + return APR_FROM_OS_ERROR(rc); + + /* We've got the writer lock but we have to wait for all readers to + * unlock before it's ok to use it + */ + + if (rwlock->readers) { + rc = DosWaitEventSem(rwlock->read_done, SEM_INDEFINITE_WAIT); + + if (rc) + DosReleaseMutexSem(rwlock->write_lock); + } + + return APR_FROM_OS_ERROR(rc); +} + + + +APR_DECLARE(apr_status_t) apr_thread_rwlock_trywrlock(apr_thread_rwlock_t *rwlock) +{ + ULONG rc; + + rc = DosRequestMutexSem(rwlock->write_lock, SEM_IMMEDIATE_RETURN); + + if (rc) + return APR_FROM_OS_ERROR(rc); + + /* We've got the writer lock but we have to wait for all readers to + * unlock before it's ok to use it + */ + + if (rwlock->readers) { + /* There are readers active, give up */ + DosReleaseMutexSem(rwlock->write_lock); + rc = ERROR_TIMEOUT; + } + + return APR_FROM_OS_ERROR(rc); +} + + + +APR_DECLARE(apr_status_t) apr_thread_rwlock_unlock(apr_thread_rwlock_t *rwlock) +{ + ULONG rc; + + /* First, guess that we're unlocking a writer */ + rc = DosReleaseMutexSem(rwlock->write_lock); + + if (rc == ERROR_NOT_OWNER) { + /* Nope, we must have a read lock */ + if (rwlock->readers) { + DosEnterCritSec(); + rwlock->readers--; + + if (rwlock->readers == 0) { + DosPostEventSem(rwlock->read_done); + } + + DosExitCritSec(); + rc = 0; + } + } + + return APR_FROM_OS_ERROR(rc); +} + + + +APR_DECLARE(apr_status_t) apr_thread_rwlock_destroy(apr_thread_rwlock_t *rwlock) +{ + ULONG rc; + + if (rwlock->write_lock == 0) + return APR_SUCCESS; + + while (DosReleaseMutexSem(rwlock->write_lock) == 0); + + rc = DosCloseMutexSem(rwlock->write_lock); + + if (!rc) { + rwlock->write_lock = 0; + DosCloseEventSem(rwlock->read_done); + return APR_SUCCESS; + } + + return APR_FROM_OS_ERROR(rc); +} + +APR_POOL_IMPLEMENT_ACCESSOR(thread_rwlock) + diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/.libs/global_mutex.o b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/.libs/global_mutex.o new file mode 100644 index 00000000..3eebee5d Binary files /dev/null and b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/.libs/global_mutex.o differ diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/.libs/proc_mutex.o b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/.libs/proc_mutex.o new file mode 100644 index 00000000..400b58df Binary files /dev/null and b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/.libs/proc_mutex.o differ diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/.libs/thread_cond.o b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/.libs/thread_cond.o new file mode 100644 index 00000000..bd2f15fe Binary files /dev/null and b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/.libs/thread_cond.o differ diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/.libs/thread_mutex.o b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/.libs/thread_mutex.o new file mode 100644 index 00000000..68df9b5e Binary files /dev/null and b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/.libs/thread_mutex.o differ diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/.libs/thread_rwlock.o b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/.libs/thread_rwlock.o new file mode 100644 index 00000000..3b39fdc5 Binary files /dev/null and b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/.libs/thread_rwlock.o differ diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/Makefile b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/Makefile new file mode 100644 index 00000000..7e08a35e --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/Makefile @@ -0,0 +1,19 @@ +srcdir = . + + +TARGETS = \ + thread_mutex.lo \ + thread_rwlock.lo \ + thread_cond.lo \ + proc_mutex.lo \ + global_mutex.lo + +# bring in rules.mk for standard functionality +include /bottlenecks/rubbos/app/httpd-2.0.64/srclib/apr/build/apr_rules.mk + +INCDIR=../../include +INCDIR2=$(INCDIR)/arch +INCDIR3=$(INCDIR)/arch/unix +INCLUDES=-I$(INCDIR) -I$(INCDIR2) -I$(INCDIR3) + +# DO NOT REMOVE diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/Makefile.in b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/Makefile.in new file mode 100644 index 00000000..618b0eb1 --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/Makefile.in @@ -0,0 +1,19 @@ +srcdir = @srcdir@ +VPATH = @srcdir@ + +TARGETS = \ + thread_mutex.lo \ + thread_rwlock.lo \ + thread_cond.lo \ + proc_mutex.lo \ + global_mutex.lo + +# bring in rules.mk for standard functionality +@INCLUDE_RULES@ + +INCDIR=../../include +INCDIR2=$(INCDIR)/arch +INCDIR3=$(INCDIR)/arch/unix +INCLUDES=-I$(INCDIR) -I$(INCDIR2) -I$(INCDIR3) + +# DO NOT REMOVE diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/global_mutex.c b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/global_mutex.c new file mode 100644 index 00000000..bfe360aa --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/global_mutex.c @@ -0,0 +1,178 @@ +/* Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "apr.h" +#include "apr_strings.h" +#include "apr_arch_global_mutex.h" +#include "apr_proc_mutex.h" +#include "apr_thread_mutex.h" +#include "apr_portable.h" + +static apr_status_t global_mutex_cleanup(void *data) +{ + apr_global_mutex_t *m = (apr_global_mutex_t *)data; + apr_status_t rv; + + rv = apr_proc_mutex_destroy(m->proc_mutex); + +#if APR_HAS_THREADS + if (m->thread_mutex) { + if (rv != APR_SUCCESS) { + (void)apr_thread_mutex_destroy(m->thread_mutex); + } + else { + rv = apr_thread_mutex_destroy(m->thread_mutex); + } + } +#endif /* APR_HAS_THREADS */ + + return rv; +} + +APR_DECLARE(apr_status_t) apr_global_mutex_create(apr_global_mutex_t **mutex, + const char *fname, + apr_lockmech_e mech, + apr_pool_t *pool) +{ + apr_status_t rv; + apr_global_mutex_t *m; + + m = (apr_global_mutex_t *)apr_palloc(pool, sizeof(*m)); + m->pool = pool; + + rv = apr_proc_mutex_create(&m->proc_mutex, fname, mech, m->pool); + if (rv != APR_SUCCESS) { + return rv; + } + +#if APR_HAS_THREADS + if (m->proc_mutex->inter_meth->flags & APR_PROCESS_LOCK_MECH_IS_GLOBAL) { + m->thread_mutex = NULL; /* We don't need a thread lock. */ + } + else { + rv = apr_thread_mutex_create(&m->thread_mutex, + APR_THREAD_MUTEX_DEFAULT, m->pool); + if (rv != APR_SUCCESS) { + rv = apr_proc_mutex_destroy(m->proc_mutex); + return rv; + } + } +#endif /* APR_HAS_THREADS */ + + apr_pool_cleanup_register(m->pool, (void *)m, + global_mutex_cleanup, apr_pool_cleanup_null); + *mutex = m; + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_global_mutex_child_init( + apr_global_mutex_t **mutex, + const char *fname, + apr_pool_t *pool) +{ + apr_status_t rv; + + rv = apr_proc_mutex_child_init(&((*mutex)->proc_mutex), fname, pool); + return rv; +} + +APR_DECLARE(apr_status_t) apr_global_mutex_lock(apr_global_mutex_t *mutex) +{ + apr_status_t rv; + +#if APR_HAS_THREADS + if (mutex->thread_mutex) { + rv = apr_thread_mutex_lock(mutex->thread_mutex); + if (rv != APR_SUCCESS) { + return rv; + } + } +#endif /* APR_HAS_THREADS */ + + rv = apr_proc_mutex_lock(mutex->proc_mutex); + +#if APR_HAS_THREADS + if (rv != APR_SUCCESS) { + if (mutex->thread_mutex) { + (void)apr_thread_mutex_unlock(mutex->thread_mutex); + } + } +#endif /* APR_HAS_THREADS */ + + return rv; +} + +APR_DECLARE(apr_status_t) apr_global_mutex_trylock(apr_global_mutex_t *mutex) +{ + apr_status_t rv; + +#if APR_HAS_THREADS + if (mutex->thread_mutex) { + rv = apr_thread_mutex_trylock(mutex->thread_mutex); + if (rv != APR_SUCCESS) { + return rv; + } + } +#endif /* APR_HAS_THREADS */ + + rv = apr_proc_mutex_trylock(mutex->proc_mutex); + +#if APR_HAS_THREADS + if (rv != APR_SUCCESS) { + if (mutex->thread_mutex) { + (void)apr_thread_mutex_unlock(mutex->thread_mutex); + } + } +#endif /* APR_HAS_THREADS */ + + return rv; +} + +APR_DECLARE(apr_status_t) apr_global_mutex_unlock(apr_global_mutex_t *mutex) +{ + apr_status_t rv; + + rv = apr_proc_mutex_unlock(mutex->proc_mutex); +#if APR_HAS_THREADS + if (mutex->thread_mutex) { + if (rv != APR_SUCCESS) { + (void)apr_thread_mutex_unlock(mutex->thread_mutex); + } + else { + rv = apr_thread_mutex_unlock(mutex->thread_mutex); + } + } +#endif /* APR_HAS_THREADS */ + return rv; +} + +APR_DECLARE(apr_status_t) apr_os_global_mutex_get(apr_os_global_mutex_t *ospmutex, + apr_global_mutex_t *pmutex) +{ + ospmutex->pool = pmutex->pool; + ospmutex->proc_mutex = pmutex->proc_mutex; +#if APR_HAS_THREADS + ospmutex->thread_mutex = pmutex->thread_mutex; +#endif + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_global_mutex_destroy(apr_global_mutex_t *mutex) +{ + return apr_pool_cleanup_run(mutex->pool, mutex, global_mutex_cleanup); +} + +APR_POOL_IMPLEMENT_ACCESSOR(global_mutex) diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/global_mutex.lo b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/global_mutex.lo new file mode 100644 index 00000000..d0fa5457 --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/global_mutex.lo @@ -0,0 +1,12 @@ +# global_mutex.lo - a libtool object file +# Generated by ltmain.sh - GNU libtool 1.5.26 (1.1220.2.493 2008/02/01 16:58:18) +# +# Please DO NOT delete this file! +# It is necessary for linking the library. + +# Name of the PIC object. +pic_object='.libs/global_mutex.o' + +# Name of the non-PIC object. +non_pic_object='global_mutex.o' + diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/global_mutex.o b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/global_mutex.o new file mode 100644 index 00000000..7e44179b Binary files /dev/null and b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/global_mutex.o differ diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/proc_mutex.c b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/proc_mutex.c new file mode 100644 index 00000000..eb7b8de4 --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/proc_mutex.c @@ -0,0 +1,894 @@ +/* Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "apr.h" +#include "apr_strings.h" +#include "apr_arch_proc_mutex.h" +#include "apr_arch_file_io.h" /* for apr_mkstemp() */ + +APR_DECLARE(apr_status_t) apr_proc_mutex_destroy(apr_proc_mutex_t *mutex) +{ + return apr_pool_cleanup_run(mutex->pool, mutex, apr_proc_mutex_cleanup); +} + +static apr_status_t proc_mutex_no_tryacquire(apr_proc_mutex_t *new_mutex) +{ + return APR_ENOTIMPL; +} + +#if APR_HAS_POSIXSEM_SERIALIZE + +#ifndef SEM_FAILED +#define SEM_FAILED (-1) +#endif + +static void proc_mutex_posix_setup(void) +{ +} + +static apr_status_t proc_mutex_posix_cleanup(void *mutex_) +{ + apr_proc_mutex_t *mutex=mutex_; + apr_status_t stat = APR_SUCCESS; + + if (mutex->interproc->filedes != -1) { + if (sem_close((sem_t *)mutex->interproc->filedes) < 0) { + stat = errno; + } + } + return stat; +} + +static apr_status_t proc_mutex_posix_create(apr_proc_mutex_t *new_mutex, + const char *fname) +{ + sem_t *psem; + apr_status_t stat; + char semname[31]; + apr_time_t now; + unsigned long sec; + unsigned long usec; + + new_mutex->interproc = apr_palloc(new_mutex->pool, + sizeof(*new_mutex->interproc)); + new_mutex->interproc->filedes = -1; + /* + * This bogusness is to follow what appears to be the + * lowest common denominator in Posix semaphore naming: + * - start with '/' + * - be at most 14 chars + * - be unique and not match anything on the filesystem + * + * Because of this, we ignore fname, and try our + * own naming system. We tuck the name away, since it might + * be useful for debugging. to make this as robust as possible, + * we initially try something larger (and hopefully more unique) + * and gracefully fail down to the LCD above. + * + * NOTE: Darwin (Mac OS X) seems to be the most restrictive + * implementation. Versions previous to Darwin 6.2 had the 14 + * char limit, but later rev's allow up to 31 characters. + * + * FIXME: There is a small window of opportunity where + * instead of getting a new semaphore descriptor, we get + * a previously obtained one. This can happen if the requests + * are made at the "same time" and in the small span of time between + * the sem_open and the sem_unlink. Use of O_EXCL does not + * help here however... + * + */ + now = apr_time_now(); + sec = apr_time_sec(now); + usec = apr_time_usec(now); + apr_snprintf(semname, sizeof(semname), "/ApR.%lxZ%lx", sec, usec); + psem = sem_open((const char *) semname, O_CREAT, 0644, 1); + if ((psem == (sem_t *)SEM_FAILED) && (errno == ENAMETOOLONG)) { + /* Oh well, good try */ + semname[13] = '\0'; + psem = sem_open((const char *) semname, O_CREAT, 0644, 1); + } + + if (psem == (sem_t *)SEM_FAILED) { + stat = errno; + proc_mutex_posix_cleanup(new_mutex); + return stat; + } + /* Ahhh. The joys of Posix sems. Predelete it... */ + sem_unlink((const char *) semname); + new_mutex->interproc->filedes = (int)psem; /* Ugg */ + new_mutex->fname = apr_pstrdup(new_mutex->pool, semname); + apr_pool_cleanup_register(new_mutex->pool, (void *)new_mutex, + apr_proc_mutex_cleanup, + apr_pool_cleanup_null); + return APR_SUCCESS; +} + +static apr_status_t proc_mutex_posix_acquire(apr_proc_mutex_t *mutex) +{ + int rc; + + if ((rc = sem_wait((sem_t *)mutex->interproc->filedes)) < 0) { + return errno; + } + mutex->curr_locked = 1; + return APR_SUCCESS; +} + +static apr_status_t proc_mutex_posix_release(apr_proc_mutex_t *mutex) +{ + int rc; + + mutex->curr_locked = 0; + if ((rc = sem_post((sem_t *)mutex->interproc->filedes)) < 0) { + return errno; + } + return APR_SUCCESS; +} + +static apr_status_t proc_mutex_posix_child_init(apr_proc_mutex_t **mutex, + apr_pool_t *cont, + const char *fname) +{ + return APR_SUCCESS; +} + +const apr_proc_mutex_unix_lock_methods_t apr_proc_mutex_unix_posix_methods = +{ +#if APR_PROCESS_LOCK_IS_GLOBAL || !APR_HAS_THREADS || defined(POSIXSEM_IS_GLOBAL) + APR_PROCESS_LOCK_MECH_IS_GLOBAL, +#else + 0, +#endif + proc_mutex_posix_create, + proc_mutex_posix_acquire, + proc_mutex_no_tryacquire, + proc_mutex_posix_release, + proc_mutex_posix_cleanup, + proc_mutex_posix_child_init, + "posixsem" +}; + +#endif /* Posix sem implementation */ + +#if APR_HAS_SYSVSEM_SERIALIZE + +static struct sembuf proc_mutex_op_on; +static struct sembuf proc_mutex_op_off; + +static void proc_mutex_sysv_setup(void) +{ + proc_mutex_op_on.sem_num = 0; + proc_mutex_op_on.sem_op = -1; + proc_mutex_op_on.sem_flg = SEM_UNDO; + proc_mutex_op_off.sem_num = 0; + proc_mutex_op_off.sem_op = 1; + proc_mutex_op_off.sem_flg = SEM_UNDO; +} + +static apr_status_t proc_mutex_sysv_cleanup(void *mutex_) +{ + apr_proc_mutex_t *mutex=mutex_; + union semun ick; + + if (mutex->interproc->filedes != -1) { + ick.val = 0; + semctl(mutex->interproc->filedes, 0, IPC_RMID, ick); + } + return APR_SUCCESS; +} + +static apr_status_t proc_mutex_sysv_create(apr_proc_mutex_t *new_mutex, + const char *fname) +{ + union semun ick; + apr_status_t rv; + + new_mutex->interproc = apr_palloc(new_mutex->pool, sizeof(*new_mutex->interproc)); + new_mutex->interproc->filedes = semget(IPC_PRIVATE, 1, IPC_CREAT | 0600); + + if (new_mutex->interproc->filedes < 0) { + rv = errno; + proc_mutex_sysv_cleanup(new_mutex); + return rv; + } + ick.val = 1; + if (semctl(new_mutex->interproc->filedes, 0, SETVAL, ick) < 0) { + rv = errno; + proc_mutex_sysv_cleanup(new_mutex); + return rv; + } + new_mutex->curr_locked = 0; + apr_pool_cleanup_register(new_mutex->pool, + (void *)new_mutex, apr_proc_mutex_cleanup, + apr_pool_cleanup_null); + return APR_SUCCESS; +} + +static apr_status_t proc_mutex_sysv_acquire(apr_proc_mutex_t *mutex) +{ + int rc; + + do { + rc = semop(mutex->interproc->filedes, &proc_mutex_op_on, 1); + } while (rc < 0 && errno == EINTR); + if (rc < 0) { + return errno; + } + mutex->curr_locked = 1; + return APR_SUCCESS; +} + +static apr_status_t proc_mutex_sysv_release(apr_proc_mutex_t *mutex) +{ + int rc; + + mutex->curr_locked = 0; + do { + rc = semop(mutex->interproc->filedes, &proc_mutex_op_off, 1); + } while (rc < 0 && errno == EINTR); + if (rc < 0) { + return errno; + } + return APR_SUCCESS; +} + +static apr_status_t proc_mutex_sysv_child_init(apr_proc_mutex_t **mutex, apr_pool_t *cont, const char *fname) +{ + return APR_SUCCESS; +} + +const apr_proc_mutex_unix_lock_methods_t apr_proc_mutex_unix_sysv_methods = +{ +#if APR_PROCESS_LOCK_IS_GLOBAL || !APR_HAS_THREADS || defined(SYSVSEM_IS_GLOBAL) + APR_PROCESS_LOCK_MECH_IS_GLOBAL, +#else + 0, +#endif + proc_mutex_sysv_create, + proc_mutex_sysv_acquire, + proc_mutex_no_tryacquire, + proc_mutex_sysv_release, + proc_mutex_sysv_cleanup, + proc_mutex_sysv_child_init, + "sysvsem" +}; + +#endif /* SysV sem implementation */ + +#if APR_HAS_PROC_PTHREAD_SERIALIZE + +static void proc_mutex_proc_pthread_setup(void) +{ +} + +static apr_status_t proc_mutex_proc_pthread_cleanup(void *mutex_) +{ + apr_proc_mutex_t *mutex=mutex_; + apr_status_t rv; + + if (mutex->curr_locked == 1) { + if ((rv = pthread_mutex_unlock(mutex->pthread_interproc))) { +#ifdef PTHREAD_SETS_ERRNO + rv = errno; +#endif + return rv; + } + if (munmap((caddr_t)mutex->pthread_interproc, sizeof(pthread_mutex_t))){ + return errno; + } + } + return APR_SUCCESS; +} + +static apr_status_t proc_mutex_proc_pthread_create(apr_proc_mutex_t *new_mutex, + const char *fname) +{ + apr_status_t rv; + int fd; + pthread_mutexattr_t mattr; + + fd = open("/dev/zero", O_RDWR); + if (fd < 0) { + return errno; + } + + new_mutex->pthread_interproc = (pthread_mutex_t *)mmap( + (caddr_t) 0, + sizeof(pthread_mutex_t), + PROT_READ | PROT_WRITE, MAP_SHARED, + fd, 0); + if (new_mutex->pthread_interproc == (pthread_mutex_t *) (caddr_t) -1) { + return errno; + } + close(fd); + if ((rv = pthread_mutexattr_init(&mattr))) { +#ifdef PTHREAD_SETS_ERRNO + rv = errno; +#endif + proc_mutex_proc_pthread_cleanup(new_mutex); + return rv; + } + if ((rv = pthread_mutexattr_setpshared(&mattr, PTHREAD_PROCESS_SHARED))) { +#ifdef PTHREAD_SETS_ERRNO + rv = errno; +#endif + proc_mutex_proc_pthread_cleanup(new_mutex); + return rv; + } + +#ifdef HAVE_PTHREAD_MUTEX_ROBUST + if ((rv = pthread_mutexattr_setrobust_np(&mattr, + PTHREAD_MUTEX_ROBUST_NP))) { +#ifdef PTHREAD_SETS_ERRNO + rv = errno; +#endif + proc_mutex_proc_pthread_cleanup(new_mutex); + return rv; + } + if ((rv = pthread_mutexattr_setprotocol(&mattr, PTHREAD_PRIO_INHERIT))) { +#ifdef PTHREAD_SETS_ERRNO + rv = errno; +#endif + proc_mutex_proc_pthread_cleanup(new_mutex); + return rv; + } +#endif /* HAVE_PTHREAD_MUTEX_ROBUST */ + + if ((rv = pthread_mutex_init(new_mutex->pthread_interproc, &mattr))) { +#ifdef PTHREAD_SETS_ERRNO + rv = errno; +#endif + proc_mutex_proc_pthread_cleanup(new_mutex); + return rv; + } + + if ((rv = pthread_mutexattr_destroy(&mattr))) { +#ifdef PTHREAD_SETS_ERRNO + rv = errno; +#endif + proc_mutex_proc_pthread_cleanup(new_mutex); + return rv; + } + + new_mutex->curr_locked = 0; + apr_pool_cleanup_register(new_mutex->pool, + (void *)new_mutex, + apr_proc_mutex_cleanup, + apr_pool_cleanup_null); + return APR_SUCCESS; +} + +static apr_status_t proc_mutex_proc_pthread_acquire(apr_proc_mutex_t *mutex) +{ + apr_status_t rv; + + if ((rv = pthread_mutex_lock(mutex->pthread_interproc))) { +#ifdef PTHREAD_SETS_ERRNO + rv = errno; +#endif +#ifdef HAVE_PTHREAD_MUTEX_ROBUST + /* Okay, our owner died. Let's try to make it consistent again. */ + if (rv == EOWNERDEAD) { + pthread_mutex_consistent_np(mutex->pthread_interproc); + } + else + return rv; +#else + return rv; +#endif + } + mutex->curr_locked = 1; + return APR_SUCCESS; +} + +/* TODO: Add proc_mutex_proc_pthread_tryacquire(apr_proc_mutex_t *mutex) */ + +static apr_status_t proc_mutex_proc_pthread_release(apr_proc_mutex_t *mutex) +{ + apr_status_t rv; + + mutex->curr_locked = 0; + if ((rv = pthread_mutex_unlock(mutex->pthread_interproc))) { +#ifdef PTHREAD_SETS_ERRNO + rv = errno; +#endif + return rv; + } + return APR_SUCCESS; +} + +static apr_status_t proc_mutex_proc_pthread_child_init(apr_proc_mutex_t **mutex, + apr_pool_t *cont, + const char *fname) +{ + return APR_SUCCESS; +} + +const apr_proc_mutex_unix_lock_methods_t apr_proc_mutex_unix_proc_pthread_methods = +{ + APR_PROCESS_LOCK_MECH_IS_GLOBAL, + proc_mutex_proc_pthread_create, + proc_mutex_proc_pthread_acquire, + proc_mutex_no_tryacquire, + proc_mutex_proc_pthread_release, + proc_mutex_proc_pthread_cleanup, + proc_mutex_proc_pthread_child_init, + "pthread" +}; + +#endif + +#if APR_HAS_FCNTL_SERIALIZE + +static struct flock proc_mutex_lock_it; +static struct flock proc_mutex_unlock_it; + +static apr_status_t proc_mutex_fcntl_release(apr_proc_mutex_t *); + +static void proc_mutex_fcntl_setup(void) +{ + proc_mutex_lock_it.l_whence = SEEK_SET; /* from current point */ + proc_mutex_lock_it.l_start = 0; /* -"- */ + proc_mutex_lock_it.l_len = 0; /* until end of file */ + proc_mutex_lock_it.l_type = F_WRLCK; /* set exclusive/write lock */ + proc_mutex_lock_it.l_pid = 0; /* pid not actually interesting */ + proc_mutex_unlock_it.l_whence = SEEK_SET; /* from current point */ + proc_mutex_unlock_it.l_start = 0; /* -"- */ + proc_mutex_unlock_it.l_len = 0; /* until end of file */ + proc_mutex_unlock_it.l_type = F_UNLCK; /* set exclusive/write lock */ + proc_mutex_unlock_it.l_pid = 0; /* pid not actually interesting */ +} + +static apr_status_t proc_mutex_fcntl_cleanup(void *mutex_) +{ + apr_status_t status; + apr_proc_mutex_t *mutex=mutex_; + + if (mutex->curr_locked == 1) { + status = proc_mutex_fcntl_release(mutex); + if (status != APR_SUCCESS) + return status; + } + if (mutex->interproc) { /* if it was opened successfully */ + apr_file_close(mutex->interproc); + } + return APR_SUCCESS; +} + +static apr_status_t proc_mutex_fcntl_create(apr_proc_mutex_t *new_mutex, + const char *fname) +{ + int rv; + + if (fname) { + new_mutex->fname = apr_pstrdup(new_mutex->pool, fname); + rv = apr_file_open(&new_mutex->interproc, new_mutex->fname, + APR_CREATE | APR_WRITE | APR_EXCL, + APR_UREAD | APR_UWRITE | APR_GREAD | APR_WREAD, + new_mutex->pool); + } + else { + new_mutex->fname = apr_pstrdup(new_mutex->pool, "/tmp/aprXXXXXX"); + rv = apr_file_mktemp(&new_mutex->interproc, new_mutex->fname, + APR_CREATE | APR_WRITE | APR_EXCL, + new_mutex->pool); + } + + if (rv != APR_SUCCESS) { + proc_mutex_fcntl_cleanup(new_mutex); + return rv; + } + + new_mutex->curr_locked = 0; + unlink(new_mutex->fname); + apr_pool_cleanup_register(new_mutex->pool, + (void*)new_mutex, + apr_proc_mutex_cleanup, + apr_pool_cleanup_null); + return APR_SUCCESS; +} + +static apr_status_t proc_mutex_fcntl_acquire(apr_proc_mutex_t *mutex) +{ + int rc; + + do { + rc = fcntl(mutex->interproc->filedes, F_SETLKW, &proc_mutex_lock_it); + } while (rc < 0 && errno == EINTR); + if (rc < 0) { + return errno; + } + mutex->curr_locked=1; + return APR_SUCCESS; +} + +static apr_status_t proc_mutex_fcntl_release(apr_proc_mutex_t *mutex) +{ + int rc; + + mutex->curr_locked=0; + do { + rc = fcntl(mutex->interproc->filedes, F_SETLKW, &proc_mutex_unlock_it); + } while (rc < 0 && errno == EINTR); + if (rc < 0) { + return errno; + } + return APR_SUCCESS; +} + +static apr_status_t proc_mutex_fcntl_child_init(apr_proc_mutex_t **mutex, + apr_pool_t *pool, + const char *fname) +{ + return APR_SUCCESS; +} + +const apr_proc_mutex_unix_lock_methods_t apr_proc_mutex_unix_fcntl_methods = +{ +#if APR_PROCESS_LOCK_IS_GLOBAL || !APR_HAS_THREADS || defined(FCNTL_IS_GLOBAL) + APR_PROCESS_LOCK_MECH_IS_GLOBAL, +#else + 0, +#endif + proc_mutex_fcntl_create, + proc_mutex_fcntl_acquire, + proc_mutex_no_tryacquire, + proc_mutex_fcntl_release, + proc_mutex_fcntl_cleanup, + proc_mutex_fcntl_child_init, + "fcntl" +}; + +#endif /* fcntl implementation */ + +#if APR_HAS_FLOCK_SERIALIZE + +static apr_status_t proc_mutex_flock_release(apr_proc_mutex_t *); + +static void proc_mutex_flock_setup(void) +{ +} + +static apr_status_t proc_mutex_flock_cleanup(void *mutex_) +{ + apr_status_t status; + apr_proc_mutex_t *mutex=mutex_; + + if (mutex->curr_locked == 1) { + status = proc_mutex_flock_release(mutex); + if (status != APR_SUCCESS) + return status; + } + if (mutex->interproc) { /* if it was opened properly */ + apr_file_close(mutex->interproc); + } + unlink(mutex->fname); + return APR_SUCCESS; +} + +static apr_status_t proc_mutex_flock_create(apr_proc_mutex_t *new_mutex, + const char *fname) +{ + int rv; + + if (fname) { + new_mutex->fname = apr_pstrdup(new_mutex->pool, fname); + rv = apr_file_open(&new_mutex->interproc, new_mutex->fname, + APR_CREATE | APR_WRITE | APR_EXCL, + APR_UREAD | APR_UWRITE, + new_mutex->pool); + } + else { + new_mutex->fname = apr_pstrdup(new_mutex->pool, "/tmp/aprXXXXXX"); + rv = apr_file_mktemp(&new_mutex->interproc, new_mutex->fname, + APR_CREATE | APR_WRITE | APR_EXCL, + new_mutex->pool); + } + + if (rv != APR_SUCCESS) { + proc_mutex_flock_cleanup(new_mutex); + return errno; + } + new_mutex->curr_locked = 0; + apr_pool_cleanup_register(new_mutex->pool, (void *)new_mutex, + apr_proc_mutex_cleanup, + apr_pool_cleanup_null); + return APR_SUCCESS; +} + +static apr_status_t proc_mutex_flock_acquire(apr_proc_mutex_t *mutex) +{ + int rc; + + do { + rc = flock(mutex->interproc->filedes, LOCK_EX); + } while (rc < 0 && errno == EINTR); + if (rc < 0) { + return errno; + } + mutex->curr_locked = 1; + return APR_SUCCESS; +} + +static apr_status_t proc_mutex_flock_release(apr_proc_mutex_t *mutex) +{ + int rc; + + mutex->curr_locked = 0; + do { + rc = flock(mutex->interproc->filedes, LOCK_UN); + } while (rc < 0 && errno == EINTR); + if (rc < 0) { + return errno; + } + return APR_SUCCESS; +} + +static apr_status_t proc_mutex_flock_child_init(apr_proc_mutex_t **mutex, + apr_pool_t *pool, + const char *fname) +{ + apr_proc_mutex_t *new_mutex; + int rv; + + new_mutex = (apr_proc_mutex_t *)apr_palloc(pool, sizeof(apr_proc_mutex_t)); + + memcpy(new_mutex, *mutex, sizeof *new_mutex); + new_mutex->pool = pool; + if (!fname) { + fname = (*mutex)->fname; + } + new_mutex->fname = apr_pstrdup(pool, fname); + rv = apr_file_open(&new_mutex->interproc, new_mutex->fname, + APR_WRITE, 0, new_mutex->pool); + if (rv != APR_SUCCESS) { + proc_mutex_flock_cleanup(new_mutex); + return rv; + } + *mutex = new_mutex; + return APR_SUCCESS; +} + +const apr_proc_mutex_unix_lock_methods_t apr_proc_mutex_unix_flock_methods = +{ +#if APR_PROCESS_LOCK_IS_GLOBAL || !APR_HAS_THREADS || defined(FLOCK_IS_GLOBAL) + APR_PROCESS_LOCK_MECH_IS_GLOBAL, +#else + 0, +#endif + proc_mutex_flock_create, + proc_mutex_flock_acquire, + proc_mutex_no_tryacquire, + proc_mutex_flock_release, + proc_mutex_flock_cleanup, + proc_mutex_flock_child_init, + "flock" +}; + +#endif /* flock implementation */ + +void apr_proc_mutex_unix_setup_lock(void) +{ +#if APR_HAS_POSIXSEM_SERIALIZE + proc_mutex_posix_setup(); +#endif +#if APR_HAS_SYSVSEM_SERIALIZE + proc_mutex_sysv_setup(); +#endif +#if APR_HAS_PROC_PTHREAD_SERIALIZE + proc_mutex_proc_pthread_setup(); +#endif +#if APR_HAS_FCNTL_SERIALIZE + proc_mutex_fcntl_setup(); +#endif +#if APR_HAS_FLOCK_SERIALIZE + proc_mutex_flock_setup(); +#endif +} + +static apr_status_t proc_mutex_choose_method(apr_proc_mutex_t *new_mutex, apr_lockmech_e mech) +{ + switch (mech) { + case APR_LOCK_FCNTL: +#if APR_HAS_FCNTL_SERIALIZE + new_mutex->inter_meth = &apr_proc_mutex_unix_fcntl_methods; +#else + return APR_ENOTIMPL; +#endif + break; + case APR_LOCK_FLOCK: +#if APR_HAS_FLOCK_SERIALIZE + new_mutex->inter_meth = &apr_proc_mutex_unix_flock_methods; +#else + return APR_ENOTIMPL; +#endif + break; + case APR_LOCK_SYSVSEM: +#if APR_HAS_SYSVSEM_SERIALIZE + new_mutex->inter_meth = &apr_proc_mutex_unix_sysv_methods; +#else + return APR_ENOTIMPL; +#endif + break; + case APR_LOCK_POSIXSEM: +#if APR_HAS_POSIXSEM_SERIALIZE + new_mutex->inter_meth = &apr_proc_mutex_unix_posix_methods; +#else + return APR_ENOTIMPL; +#endif + break; + case APR_LOCK_PROC_PTHREAD: +#if APR_HAS_PROC_PTHREAD_SERIALIZE + new_mutex->inter_meth = &apr_proc_mutex_unix_proc_pthread_methods; +#else + return APR_ENOTIMPL; +#endif + break; + case APR_LOCK_DEFAULT: +#if APR_USE_FLOCK_SERIALIZE + new_mutex->inter_meth = &apr_proc_mutex_unix_flock_methods; +#elif APR_USE_SYSVSEM_SERIALIZE + new_mutex->inter_meth = &apr_proc_mutex_unix_sysv_methods; +#elif APR_USE_FCNTL_SERIALIZE + new_mutex->inter_meth = &apr_proc_mutex_unix_fcntl_methods; +#elif APR_USE_PROC_PTHREAD_SERIALIZE + new_mutex->inter_meth = &apr_proc_mutex_unix_proc_pthread_methods; +#elif APR_USE_POSIXSEM_SERIALIZE + new_mutex->inter_meth = &apr_proc_mutex_unix_posix_methods; +#else + return APR_ENOTIMPL; +#endif + break; + default: + return APR_ENOTIMPL; + } + return APR_SUCCESS; +} + +APR_DECLARE(const char *) apr_proc_mutex_defname(void) +{ + apr_status_t rv; + apr_proc_mutex_t mutex; + + if ((rv = proc_mutex_choose_method(&mutex, APR_LOCK_DEFAULT)) != APR_SUCCESS) { + return "unknown"; + } + mutex.meth = mutex.inter_meth; + + return apr_proc_mutex_name(&mutex); +} + +static apr_status_t proc_mutex_create(apr_proc_mutex_t *new_mutex, apr_lockmech_e mech, const char *fname) +{ + apr_status_t rv; + + if ((rv = proc_mutex_choose_method(new_mutex, mech)) != APR_SUCCESS) { + return rv; + } + + new_mutex->meth = new_mutex->inter_meth; + + if ((rv = new_mutex->meth->create(new_mutex, fname)) != APR_SUCCESS) { + return rv; + } + + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_proc_mutex_create(apr_proc_mutex_t **mutex, + const char *fname, + apr_lockmech_e mech, + apr_pool_t *pool) +{ + apr_proc_mutex_t *new_mutex; + apr_status_t rv; + + new_mutex = (apr_proc_mutex_t *)apr_pcalloc(pool, + sizeof(apr_proc_mutex_t)); + + new_mutex->pool = pool; +#if APR_HAS_SYSVSEM_SERIALIZE || APR_HAS_FCNTL_SERIALIZE || APR_HAS_FLOCK_SERIALIZE || APR_HAS_POSIXSEM_SERIALIZE + new_mutex->interproc = NULL; +#endif + + if ((rv = proc_mutex_create(new_mutex, mech, fname)) != APR_SUCCESS) + return rv; + + *mutex = new_mutex; + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_proc_mutex_child_init(apr_proc_mutex_t **mutex, + const char *fname, + apr_pool_t *pool) +{ + return (*mutex)->meth->child_init(mutex, pool, fname); +} + +APR_DECLARE(apr_status_t) apr_proc_mutex_lock(apr_proc_mutex_t *mutex) +{ + return mutex->meth->acquire(mutex); +} + +APR_DECLARE(apr_status_t) apr_proc_mutex_trylock(apr_proc_mutex_t *mutex) +{ + return mutex->meth->tryacquire(mutex); +} + +APR_DECLARE(apr_status_t) apr_proc_mutex_unlock(apr_proc_mutex_t *mutex) +{ + return mutex->meth->release(mutex); +} + +APR_DECLARE(apr_status_t) apr_proc_mutex_cleanup(void *mutex) +{ + return ((apr_proc_mutex_t *)mutex)->meth->cleanup(mutex); +} + +APR_DECLARE(const char *) apr_proc_mutex_name(apr_proc_mutex_t *mutex) +{ + return mutex->meth->name; +} + +APR_DECLARE(const char *) apr_proc_mutex_lockfile(apr_proc_mutex_t *mutex) +{ + /* posix sems use the fname field but don't use a file, + * so be careful + */ + if (!strcmp(mutex->meth->name, "flock") || + !strcmp(mutex->meth->name, "fcntl")) { + return mutex->fname; + } + return NULL; +} + +APR_POOL_IMPLEMENT_ACCESSOR(proc_mutex) + +/* Implement OS-specific accessors defined in apr_portable.h */ + +APR_DECLARE(apr_status_t) apr_os_proc_mutex_get(apr_os_proc_mutex_t *ospmutex, + apr_proc_mutex_t *pmutex) +{ +#if APR_HAS_SYSVSEM_SERIALIZE || APR_HAS_FCNTL_SERIALIZE || APR_HAS_FLOCK_SERIALIZE || APR_HAS_POSIXSEM_SERIALIZE + ospmutex->crossproc = pmutex->interproc->filedes; +#endif +#if APR_HAS_PROC_PTHREAD_SERIALIZE + ospmutex->pthread_interproc = pmutex->pthread_interproc; +#endif + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_os_proc_mutex_put(apr_proc_mutex_t **pmutex, + apr_os_proc_mutex_t *ospmutex, + apr_pool_t *pool) +{ + if (pool == NULL) { + return APR_ENOPOOL; + } + if ((*pmutex) == NULL) { + (*pmutex) = (apr_proc_mutex_t *)apr_pcalloc(pool, + sizeof(apr_proc_mutex_t)); + (*pmutex)->pool = pool; + } +#if APR_HAS_SYSVSEM_SERIALIZE || APR_HAS_FCNTL_SERIALIZE || APR_HAS_FLOCK_SERIALIZE || APR_HAS_POSIXSEM_SERIALIZE + apr_os_file_put(&(*pmutex)->interproc, &ospmutex->crossproc, 0, pool); +#endif +#if APR_HAS_PROC_PTHREAD_SERIALIZE + (*pmutex)->pthread_interproc = ospmutex->pthread_interproc; +#endif + return APR_SUCCESS; +} + diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/proc_mutex.lo b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/proc_mutex.lo new file mode 100644 index 00000000..2359a0ee --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/proc_mutex.lo @@ -0,0 +1,12 @@ +# proc_mutex.lo - a libtool object file +# Generated by ltmain.sh - GNU libtool 1.5.26 (1.1220.2.493 2008/02/01 16:58:18) +# +# Please DO NOT delete this file! +# It is necessary for linking the library. + +# Name of the PIC object. +pic_object='.libs/proc_mutex.o' + +# Name of the non-PIC object. +non_pic_object='proc_mutex.o' + diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/proc_mutex.o b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/proc_mutex.o new file mode 100644 index 00000000..bee8bb3b Binary files /dev/null and b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/proc_mutex.o differ diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_cond.c b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_cond.c new file mode 100644 index 00000000..46d770f1 --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_cond.c @@ -0,0 +1,152 @@ +/* Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "apr.h" + +#if APR_HAS_THREADS + +#include "apr_arch_thread_mutex.h" +#include "apr_arch_thread_cond.h" + +static apr_status_t thread_cond_cleanup(void *data) +{ + apr_thread_cond_t *cond = (apr_thread_cond_t *)data; + apr_status_t rv; + + rv = pthread_cond_destroy(cond->cond); +#ifdef PTHREAD_SETS_ERRNO + if (rv) { + rv = errno; + } +#endif + return rv; +} + +APR_DECLARE(apr_status_t) apr_thread_cond_create(apr_thread_cond_t **cond, + apr_pool_t *pool) +{ + apr_thread_cond_t *new_cond; + apr_status_t rv; + + new_cond = (apr_thread_cond_t *)apr_pcalloc(pool, + sizeof(apr_thread_cond_t)); + + if (new_cond == NULL) { + return APR_ENOMEM; + } + + new_cond->pool = pool; + new_cond->cond = (pthread_cond_t *)apr_palloc(pool, + sizeof(pthread_cond_t)); + + if (new_cond->cond == NULL) { + return APR_ENOMEM; + } + + if ((rv = pthread_cond_init(new_cond->cond, NULL))) { +#ifdef PTHREAD_SETS_ERRNO + rv = errno; +#endif + thread_cond_cleanup(new_cond); + return rv; + } + + apr_pool_cleanup_register(new_cond->pool, + (void *)new_cond, thread_cond_cleanup, + apr_pool_cleanup_null); + + *cond = new_cond; + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_cond_wait(apr_thread_cond_t *cond, + apr_thread_mutex_t *mutex) +{ + apr_status_t rv; + + rv = pthread_cond_wait(cond->cond, &mutex->mutex); +#ifdef PTHREAD_SETS_ERRNO + if (rv) { + rv = errno; + } +#endif + return rv; +} + +APR_DECLARE(apr_status_t) apr_thread_cond_timedwait(apr_thread_cond_t *cond, + apr_thread_mutex_t *mutex, + apr_interval_time_t timeout) +{ + apr_status_t rv; + apr_time_t then; + struct timespec abstime; + + then = apr_time_now() + timeout; + abstime.tv_sec = apr_time_sec(then); + abstime.tv_nsec = apr_time_usec(then) * 1000; /* nanoseconds */ + + rv = pthread_cond_timedwait(cond->cond, &mutex->mutex, &abstime); +#ifdef PTHREAD_SETS_ERRNO + if (rv) { + rv = errno; + } +#endif + if (ETIMEDOUT == rv) { + return APR_TIMEUP; + } + return rv; +} + + +APR_DECLARE(apr_status_t) apr_thread_cond_signal(apr_thread_cond_t *cond) +{ + apr_status_t rv; + + rv = pthread_cond_signal(cond->cond); +#ifdef PTHREAD_SETS_ERRNO + if (rv) { + rv = errno; + } +#endif + return rv; +} + +APR_DECLARE(apr_status_t) apr_thread_cond_broadcast(apr_thread_cond_t *cond) +{ + apr_status_t rv; + + rv = pthread_cond_broadcast(cond->cond); +#ifdef PTHREAD_SETS_ERRNO + if (rv) { + rv = errno; + } +#endif + return rv; +} + +APR_DECLARE(apr_status_t) apr_thread_cond_destroy(apr_thread_cond_t *cond) +{ + apr_status_t rv; + if ((rv = thread_cond_cleanup(cond)) == APR_SUCCESS) { + apr_pool_cleanup_kill(cond->pool, cond, thread_cond_cleanup); + return APR_SUCCESS; + } + return rv; +} + +APR_POOL_IMPLEMENT_ACCESSOR(thread_cond) + +#endif /* APR_HAS_THREADS */ diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_cond.lo b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_cond.lo new file mode 100644 index 00000000..aa4051e8 --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_cond.lo @@ -0,0 +1,12 @@ +# thread_cond.lo - a libtool object file +# Generated by ltmain.sh - GNU libtool 1.5.26 (1.1220.2.493 2008/02/01 16:58:18) +# +# Please DO NOT delete this file! +# It is necessary for linking the library. + +# Name of the PIC object. +pic_object='.libs/thread_cond.o' + +# Name of the non-PIC object. +non_pic_object='thread_cond.o' + diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_cond.o b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_cond.o new file mode 100644 index 00000000..b453da92 Binary files /dev/null and b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_cond.o differ diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_mutex.c b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_mutex.c new file mode 100644 index 00000000..e146a28f --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_mutex.c @@ -0,0 +1,138 @@ +/* Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "apr_arch_thread_mutex.h" +#define APR_WANT_MEMFUNC +#include "apr_want.h" + +#if APR_HAS_THREADS + +static apr_status_t thread_mutex_cleanup(void *data) +{ + apr_thread_mutex_t *mutex = data; + apr_status_t rv; + + rv = pthread_mutex_destroy(&mutex->mutex); +#ifdef PTHREAD_SETS_ERRNO + if (rv) { + rv = errno; + } +#endif + return rv; +} + +APR_DECLARE(apr_status_t) apr_thread_mutex_create(apr_thread_mutex_t **mutex, + unsigned int flags, + apr_pool_t *pool) +{ + apr_thread_mutex_t *new_mutex; + apr_status_t rv; + +#ifndef HAVE_PTHREAD_MUTEX_RECURSIVE + if (flags & APR_THREAD_MUTEX_NESTED) { + return APR_ENOTIMPL; + } +#endif + + new_mutex = apr_pcalloc(pool, sizeof(apr_thread_mutex_t)); + new_mutex->pool = pool; + +#ifdef HAVE_PTHREAD_MUTEX_RECURSIVE + if (flags & APR_THREAD_MUTEX_NESTED) { + pthread_mutexattr_t mattr; + + rv = pthread_mutexattr_init(&mattr); + if (rv) return rv; + + rv = pthread_mutexattr_settype(&mattr, PTHREAD_MUTEX_RECURSIVE); + if (rv) { + pthread_mutexattr_destroy(&mattr); + return rv; + } + + rv = pthread_mutex_init(&new_mutex->mutex, &mattr); + + pthread_mutexattr_destroy(&mattr); + } else +#endif + rv = pthread_mutex_init(&new_mutex->mutex, NULL); + + if (rv) { +#ifdef PTHREAD_SETS_ERRNO + rv = errno; +#endif + return rv; + } + + apr_pool_cleanup_register(new_mutex->pool, + new_mutex, thread_mutex_cleanup, + apr_pool_cleanup_null); + + *mutex = new_mutex; + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_mutex_lock(apr_thread_mutex_t *mutex) +{ + apr_status_t rv; + + rv = pthread_mutex_lock(&mutex->mutex); +#ifdef PTHREAD_SETS_ERRNO + if (rv) { + rv = errno; + } +#endif + + return rv; +} + +APR_DECLARE(apr_status_t) apr_thread_mutex_trylock(apr_thread_mutex_t *mutex) +{ + apr_status_t rv; + + rv = pthread_mutex_trylock(&mutex->mutex); + if (rv) { +#ifdef PTHREAD_SETS_ERRNO + rv = errno; +#endif + return (rv == EBUSY) ? APR_EBUSY : rv; + } + + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_mutex_unlock(apr_thread_mutex_t *mutex) +{ + apr_status_t status; + + status = pthread_mutex_unlock(&mutex->mutex); +#ifdef PTHREAD_SETS_ERRNO + if (status) { + status = errno; + } +#endif + + return status; +} + +APR_DECLARE(apr_status_t) apr_thread_mutex_destroy(apr_thread_mutex_t *mutex) +{ + return apr_pool_cleanup_run(mutex->pool, mutex, thread_mutex_cleanup); +} + +APR_POOL_IMPLEMENT_ACCESSOR(thread_mutex) + +#endif /* APR_HAS_THREADS */ diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_mutex.lo b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_mutex.lo new file mode 100644 index 00000000..9f6d1033 --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_mutex.lo @@ -0,0 +1,12 @@ +# thread_mutex.lo - a libtool object file +# Generated by ltmain.sh - GNU libtool 1.5.26 (1.1220.2.493 2008/02/01 16:58:18) +# +# Please DO NOT delete this file! +# It is necessary for linking the library. + +# Name of the PIC object. +pic_object='.libs/thread_mutex.o' + +# Name of the non-PIC object. +non_pic_object='thread_mutex.o' + diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_mutex.o b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_mutex.o new file mode 100644 index 00000000..87f97293 Binary files /dev/null and b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_mutex.o differ diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_rwlock.c b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_rwlock.c new file mode 100644 index 00000000..c322b455 --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_rwlock.c @@ -0,0 +1,198 @@ +/* Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "apr_arch_thread_rwlock.h" +#include "apr_private.h" + +#if APR_HAS_THREADS + +#ifdef HAVE_PTHREAD_RWLOCKS + +static apr_status_t thread_rwlock_cleanup(void *data) +{ + apr_thread_rwlock_t *rwlock = (apr_thread_rwlock_t *)data; + apr_status_t stat; + + pthread_rwlock_unlock(rwlock->rwlock); + stat = pthread_rwlock_destroy(rwlock->rwlock); +#ifdef PTHREAD_SETS_ERRNO + if (stat) { + stat = errno; + } +#endif + return stat; +} + +APR_DECLARE(apr_status_t) apr_thread_rwlock_create(apr_thread_rwlock_t **rwlock, + apr_pool_t *pool) +{ + apr_thread_rwlock_t *new_rwlock; + apr_status_t stat; + + new_rwlock = (apr_thread_rwlock_t *)apr_pcalloc(pool, + sizeof(apr_thread_rwlock_t)); + + if (new_rwlock == NULL) { + return APR_ENOMEM; + } + + new_rwlock->pool = pool; + new_rwlock->rwlock = (pthread_rwlock_t *)apr_palloc(pool, + sizeof(pthread_rwlock_t)); + + if (new_rwlock->rwlock == NULL) { + return APR_ENOMEM; + } + + if ((stat = pthread_rwlock_init(new_rwlock->rwlock, NULL))) { +#ifdef PTHREAD_SETS_ERRNO + stat = errno; +#endif + thread_rwlock_cleanup(new_rwlock); + return stat; + } + + apr_pool_cleanup_register(new_rwlock->pool, + (void *)new_rwlock, thread_rwlock_cleanup, + apr_pool_cleanup_null); + + *rwlock = new_rwlock; + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_rwlock_rdlock(apr_thread_rwlock_t *rwlock) +{ + apr_status_t stat; + + stat = pthread_rwlock_rdlock(rwlock->rwlock); +#ifdef PTHREAD_SETS_ERRNO + if (stat) { + stat = errno; + } +#endif + return stat; +} + +APR_DECLARE(apr_status_t) apr_thread_rwlock_tryrdlock(apr_thread_rwlock_t *rwlock) +{ + apr_status_t stat; + + stat = pthread_rwlock_tryrdlock(rwlock->rwlock); +#ifdef PTHREAD_SETS_ERRNO + if (stat) { + stat = errno; + } +#endif + /* Normalize the return code. */ + if (stat == EBUSY) + stat = APR_EBUSY; + return stat; +} + +APR_DECLARE(apr_status_t) apr_thread_rwlock_wrlock(apr_thread_rwlock_t *rwlock) +{ + apr_status_t stat; + + stat = pthread_rwlock_wrlock(rwlock->rwlock); +#ifdef PTHREAD_SETS_ERRNO + if (stat) { + stat = errno; + } +#endif + return stat; +} + +APR_DECLARE(apr_status_t) apr_thread_rwlock_trywrlock(apr_thread_rwlock_t *rwlock) +{ + apr_status_t stat; + + stat = pthread_rwlock_trywrlock(rwlock->rwlock); +#ifdef PTHREAD_SETS_ERRNO + if (stat) { + stat = errno; + } +#endif + /* Normalize the return code. */ + if (stat == EBUSY) + stat = APR_EBUSY; + return stat; +} + +APR_DECLARE(apr_status_t) apr_thread_rwlock_unlock(apr_thread_rwlock_t *rwlock) +{ + apr_status_t stat; + + stat = pthread_rwlock_unlock(rwlock->rwlock); +#ifdef PTHREAD_SETS_ERRNO + if (stat) { + stat = errno; + } +#endif + return stat; +} + +APR_DECLARE(apr_status_t) apr_thread_rwlock_destroy(apr_thread_rwlock_t *rwlock) +{ + apr_status_t stat; + if ((stat = thread_rwlock_cleanup(rwlock)) == APR_SUCCESS) { + apr_pool_cleanup_kill(rwlock->pool, rwlock, thread_rwlock_cleanup); + return APR_SUCCESS; + } + return stat; +} + +#else /* HAVE_PTHREAD_RWLOCKS */ + +APR_DECLARE(apr_status_t) apr_thread_rwlock_create(apr_thread_rwlock_t **rwlock, + apr_pool_t *pool) +{ + return APR_ENOTIMPL; +} + +APR_DECLARE(apr_status_t) apr_thread_rwlock_rdlock(apr_thread_rwlock_t *rwlock) +{ + return APR_ENOTIMPL; +} + +APR_DECLARE(apr_status_t) apr_thread_rwlock_tryrdlock(apr_thread_rwlock_t *rwlock) +{ + return APR_ENOTIMPL; +} + +APR_DECLARE(apr_status_t) apr_thread_rwlock_wrlock(apr_thread_rwlock_t *rwlock) +{ + return APR_ENOTIMPL; +} + +APR_DECLARE(apr_status_t) apr_thread_rwlock_trywrlock(apr_thread_rwlock_t *rwlock) +{ + return APR_ENOTIMPL; +} + +APR_DECLARE(apr_status_t) apr_thread_rwlock_unlock(apr_thread_rwlock_t *rwlock) +{ + return APR_ENOTIMPL; +} + +APR_DECLARE(apr_status_t) apr_thread_rwlock_destroy(apr_thread_rwlock_t *rwlock) +{ + return APR_ENOTIMPL; +} + +#endif /* HAVE_PTHREAD_RWLOCKS */ +APR_POOL_IMPLEMENT_ACCESSOR(thread_rwlock) + +#endif /* APR_HAS_THREADS */ diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_rwlock.lo b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_rwlock.lo new file mode 100644 index 00000000..e5ed346e --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_rwlock.lo @@ -0,0 +1,12 @@ +# thread_rwlock.lo - a libtool object file +# Generated by ltmain.sh - GNU libtool 1.5.26 (1.1220.2.493 2008/02/01 16:58:18) +# +# Please DO NOT delete this file! +# It is necessary for linking the library. + +# Name of the PIC object. +pic_object='.libs/thread_rwlock.o' + +# Name of the non-PIC object. +non_pic_object='thread_rwlock.o' + diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_rwlock.o b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_rwlock.o new file mode 100644 index 00000000..42f33daf Binary files /dev/null and b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_rwlock.o differ diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/win32/proc_mutex.c b/rubbos/app/httpd-2.0.64/srclib/apr/locks/win32/proc_mutex.c new file mode 100644 index 00000000..3b249045 --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/locks/win32/proc_mutex.c @@ -0,0 +1,223 @@ +/* Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "apr.h" +#include "apr_private.h" +#include "apr_general.h" +#include "apr_strings.h" +#include "apr_portable.h" +#include "apr_arch_file_io.h" +#include "apr_arch_proc_mutex.h" +#include "apr_arch_misc.h" + +static apr_status_t proc_mutex_cleanup(void *mutex_) +{ + apr_proc_mutex_t *mutex = mutex_; + + if (mutex->handle) { + if (CloseHandle(mutex->handle) == 0) { + return apr_get_os_error(); + } + } + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_proc_mutex_create(apr_proc_mutex_t **mutex, + const char *fname, + apr_lockmech_e mech, + apr_pool_t *pool) +{ + HANDLE hMutex; + void *mutexkey; + + /* res_name_from_filename turns fname into a pseduo-name + * without slashes or backslashes, and prepends the \global + * prefix on Win2K and later + */ + if (fname) { + mutexkey = res_name_from_filename(fname, 1, pool); + } + else { + mutexkey = NULL; + } + +#if APR_HAS_UNICODE_FS + IF_WIN_OS_IS_UNICODE + { + hMutex = CreateMutexW(NULL, FALSE, mutexkey); + } +#endif +#if APR_HAS_ANSI_FS + ELSE_WIN_OS_IS_ANSI + { + hMutex = CreateMutexA(NULL, FALSE, mutexkey); + } +#endif + + if (!hMutex) { + return apr_get_os_error(); + } + + *mutex = (apr_proc_mutex_t *)apr_palloc(pool, sizeof(apr_proc_mutex_t)); + (*mutex)->pool = pool; + (*mutex)->handle = hMutex; + (*mutex)->fname = fname; + apr_pool_cleanup_register((*mutex)->pool, *mutex, + proc_mutex_cleanup, apr_pool_cleanup_null); + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_proc_mutex_child_init(apr_proc_mutex_t **mutex, + const char *fname, + apr_pool_t *pool) +{ + HANDLE hMutex; + void *mutexkey; + + if (!fname) { + /* Reinitializing unnamed mutexes is a noop in the Unix code. */ + return APR_SUCCESS; + } + + /* res_name_from_filename turns file into a pseudo-name + * without slashes or backslashes, and prepends the \global + * prefix on Win2K and later + */ + mutexkey = res_name_from_filename(fname, 1, pool); + +#if defined(_WIN32_WCE) + hMutex = CreateMutex(NULL, FALSE, mutexkey); + if (hMutex && ERROR_ALREADY_EXISTS != GetLastError()) { + CloseHandle(hMutex); + hMutex = NULL; + SetLastError(ERROR_FILE_NOT_FOUND); + } +#else +#if APR_HAS_UNICODE_FS + IF_WIN_OS_IS_UNICODE + { + hMutex = OpenMutexW(MUTEX_ALL_ACCESS, FALSE, mutexkey); + } +#endif +#if APR_HAS_ANSI_FS + ELSE_WIN_OS_IS_ANSI + { + hMutex = OpenMutexA(MUTEX_ALL_ACCESS, FALSE, mutexkey); + } +#endif +#endif + + if (!hMutex) { + return apr_get_os_error(); + } + + *mutex = (apr_proc_mutex_t *)apr_palloc(pool, sizeof(apr_proc_mutex_t)); + (*mutex)->pool = pool; + (*mutex)->handle = hMutex; + (*mutex)->fname = fname; + apr_pool_cleanup_register((*mutex)->pool, *mutex, + proc_mutex_cleanup, apr_pool_cleanup_null); + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_proc_mutex_lock(apr_proc_mutex_t *mutex) +{ + DWORD rv; + + rv = WaitForSingleObject(mutex->handle, INFINITE); + + if (rv == WAIT_OBJECT_0 || rv == WAIT_ABANDONED) { + return APR_SUCCESS; + } + return apr_get_os_error(); +} + +APR_DECLARE(apr_status_t) apr_proc_mutex_trylock(apr_proc_mutex_t *mutex) +{ + DWORD rv; + + rv = WaitForSingleObject(mutex->handle, 0); + + if (rv == WAIT_OBJECT_0 || rv == WAIT_ABANDONED) { + return APR_SUCCESS; + } + else if (rv == WAIT_TIMEOUT) { + return APR_EBUSY; + } + return apr_get_os_error(); +} + +APR_DECLARE(apr_status_t) apr_proc_mutex_unlock(apr_proc_mutex_t *mutex) +{ + if (ReleaseMutex(mutex->handle) == 0) { + return apr_get_os_error(); + } + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_proc_mutex_destroy(apr_proc_mutex_t *mutex) +{ + apr_status_t stat; + + stat = proc_mutex_cleanup(mutex); + if (stat == APR_SUCCESS) { + apr_pool_cleanup_kill(mutex->pool, mutex, proc_mutex_cleanup); + } + return stat; +} + +APR_DECLARE(const char *) apr_proc_mutex_lockfile(apr_proc_mutex_t *mutex) +{ + return NULL; +} + +APR_DECLARE(const char *) apr_proc_mutex_name(apr_proc_mutex_t *mutex) +{ + return mutex->fname; +} + +APR_DECLARE(const char *) apr_proc_mutex_defname(void) +{ + return "win32mutex"; +} + +APR_POOL_IMPLEMENT_ACCESSOR(proc_mutex) + +/* Implement OS-specific accessors defined in apr_portable.h */ + +APR_DECLARE(apr_status_t) apr_os_proc_mutex_get(apr_os_proc_mutex_t *ospmutex, + apr_proc_mutex_t *mutex) +{ + *ospmutex = mutex->handle; + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_os_proc_mutex_put(apr_proc_mutex_t **pmutex, + apr_os_proc_mutex_t *ospmutex, + apr_pool_t *pool) +{ + if (pool == NULL) { + return APR_ENOPOOL; + } + if ((*pmutex) == NULL) { + (*pmutex) = (apr_proc_mutex_t *)apr_palloc(pool, + sizeof(apr_proc_mutex_t)); + (*pmutex)->pool = pool; + } + (*pmutex)->handle = *ospmutex; + return APR_SUCCESS; +} + diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/win32/thread_cond.c b/rubbos/app/httpd-2.0.64/srclib/apr/locks/win32/thread_cond.c new file mode 100644 index 00000000..ac71a419 --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/locks/win32/thread_cond.c @@ -0,0 +1,128 @@ +/* Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "apr.h" +#include "apr_private.h" +#include "apr_general.h" +#include "apr_strings.h" +#include "win32/apr_arch_thread_mutex.h" +#include "win32/apr_arch_thread_cond.h" +#include "apr_portable.h" + +static apr_status_t thread_cond_cleanup(void *data) +{ + apr_thread_cond_t *cond = data; + CloseHandle(cond->event); + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_cond_create(apr_thread_cond_t **cond, + apr_pool_t *pool) +{ + *cond = apr_palloc(pool, sizeof(**cond)); + (*cond)->pool = pool; + (*cond)->event = CreateEvent(NULL, TRUE, FALSE, NULL); + (*cond)->signal_all = 0; + (*cond)->num_waiting = 0; + return APR_SUCCESS; +} + +static APR_INLINE apr_status_t _thread_cond_timedwait(apr_thread_cond_t *cond, + apr_thread_mutex_t *mutex, + DWORD timeout_ms ) +{ + DWORD res; + + while (1) { + cond->num_waiting++; + + apr_thread_mutex_unlock(mutex); + res = WaitForSingleObject(cond->event, timeout_ms); + apr_thread_mutex_lock(mutex); + cond->num_waiting--; + if (res != WAIT_OBJECT_0) { + apr_status_t rv = apr_get_os_error(); + if (res == WAIT_TIMEOUT) { + return APR_TIMEUP; + } + return apr_get_os_error(); + } + if (cond->signal_all) { + if (cond->num_waiting == 0) { + cond->signal_all = 0; + cond->signalled = 0; + ResetEvent(cond->event); + } + break; + } + else if (cond->signalled) { + cond->signalled = 0; + ResetEvent(cond->event); + break; + } + } + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_cond_wait(apr_thread_cond_t *cond, + apr_thread_mutex_t *mutex) +{ + return _thread_cond_timedwait(cond, mutex, INFINITE); +} + +APR_DECLARE(apr_status_t) apr_thread_cond_timedwait(apr_thread_cond_t *cond, + apr_thread_mutex_t *mutex, + apr_interval_time_t timeout) +{ + DWORD timeout_ms = (DWORD) apr_time_as_msec(timeout); + + return _thread_cond_timedwait(cond, mutex, timeout_ms); +} + +APR_DECLARE(apr_status_t) apr_thread_cond_signal(apr_thread_cond_t *cond) +{ + apr_status_t rv = APR_SUCCESS; + DWORD res; + + cond->signalled = 1; + res = SetEvent(cond->event); + if (res == 0) { + rv = apr_get_os_error(); + } + return rv; +} + +APR_DECLARE(apr_status_t) apr_thread_cond_broadcast(apr_thread_cond_t *cond) +{ + apr_status_t rv = APR_SUCCESS; + DWORD res; + + cond->signalled = 1; + cond->signal_all = 1; + res = SetEvent(cond->event); + if (res == 0) { + rv = apr_get_os_error(); + } + return rv; +} + +APR_DECLARE(apr_status_t) apr_thread_cond_destroy(apr_thread_cond_t *cond) +{ + return apr_pool_cleanup_run(cond->pool, cond, thread_cond_cleanup); +} + +APR_POOL_IMPLEMENT_ACCESSOR(thread_cond) + diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/win32/thread_mutex.c b/rubbos/app/httpd-2.0.64/srclib/apr/locks/win32/thread_mutex.c new file mode 100644 index 00000000..9b10d727 --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/locks/win32/thread_mutex.c @@ -0,0 +1,136 @@ +/* Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "apr.h" +#include "apr_private.h" +#include "apr_general.h" +#include "apr_strings.h" +#include "apr_arch_thread_mutex.h" +#include "apr_thread_mutex.h" +#include "apr_portable.h" +#include "apr_arch_misc.h" + +static apr_status_t thread_mutex_cleanup(void *data) +{ + apr_thread_mutex_t *lock = data; + + if (lock->type == thread_mutex_critical_section) { + lock->type = -1; + DeleteCriticalSection(&lock->section); + } + else { + if (!CloseHandle(lock->handle)) { + return apr_get_os_error(); + } + } + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_mutex_create(apr_thread_mutex_t **mutex, + unsigned int flags, + apr_pool_t *pool) +{ + (*mutex) = (apr_thread_mutex_t *)apr_palloc(pool, sizeof(**mutex)); + + (*mutex)->pool = pool; + + if (flags & APR_THREAD_MUTEX_UNNESTED) { + /* Use an auto-reset signaled event, ready to accept one + * waiting thread. + */ + (*mutex)->type = thread_mutex_unnested_event; + (*mutex)->handle = CreateEvent(NULL, FALSE, TRUE, NULL); + } + else { +#if APR_HAS_UNICODE_FS + /* Critical Sections are terrific, performance-wise, on NT. + * On Win9x, we cannot 'try' on a critical section, so we + * use a [slower] mutex object, instead. + */ + IF_WIN_OS_IS_UNICODE { + InitializeCriticalSection(&(*mutex)->section); + (*mutex)->type = thread_mutex_critical_section; + } +#endif +#if APR_HAS_ANSI_FS + ELSE_WIN_OS_IS_ANSI { + (*mutex)->type = thread_mutex_nested_mutex; + (*mutex)->handle = CreateMutex(NULL, FALSE, NULL); + + } +#endif + } + + apr_pool_cleanup_register((*mutex)->pool, (*mutex), thread_mutex_cleanup, + apr_pool_cleanup_null); + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_mutex_lock(apr_thread_mutex_t *mutex) +{ + if (mutex->type == thread_mutex_critical_section) { + EnterCriticalSection(&mutex->section); + } + else { + DWORD rv = WaitForSingleObject(mutex->handle, INFINITE); + if ((rv != WAIT_OBJECT_0) && (rv != WAIT_ABANDONED)) { + return (rv == WAIT_TIMEOUT) ? APR_EBUSY : apr_get_os_error(); + } + } + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_mutex_trylock(apr_thread_mutex_t *mutex) +{ + if (mutex->type == thread_mutex_critical_section) { + if (!TryEnterCriticalSection(&mutex->section)) { + return APR_EBUSY; + } + } + else { + DWORD rv = WaitForSingleObject(mutex->handle, 0); + if ((rv != WAIT_OBJECT_0) && (rv != WAIT_ABANDONED)) { + return (rv == WAIT_TIMEOUT) ? APR_EBUSY : apr_get_os_error(); + } + } + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_mutex_unlock(apr_thread_mutex_t *mutex) +{ + if (mutex->type == thread_mutex_critical_section) { + LeaveCriticalSection(&mutex->section); + } + else if (mutex->type == thread_mutex_unnested_event) { + if (!SetEvent(mutex->handle)) { + return apr_get_os_error(); + } + } + else if (mutex->type == thread_mutex_nested_mutex) { + if (!ReleaseMutex(mutex->handle)) { + return apr_get_os_error(); + } + } + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_mutex_destroy(apr_thread_mutex_t *mutex) +{ + return apr_pool_cleanup_run(mutex->pool, mutex, thread_mutex_cleanup); +} + +APR_POOL_IMPLEMENT_ACCESSOR(thread_mutex) + diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/win32/thread_rwlock.c b/rubbos/app/httpd-2.0.64/srclib/apr/locks/win32/thread_rwlock.c new file mode 100644 index 00000000..7099509f --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/locks/win32/thread_rwlock.c @@ -0,0 +1,165 @@ +/* Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "apr.h" +#include "apr_private.h" +#include "apr_general.h" +#include "apr_strings.h" +#include "win32/apr_arch_thread_rwlock.h" +#include "apr_portable.h" + +static apr_status_t thread_rwlock_cleanup(void *data) +{ + apr_thread_rwlock_t *rwlock = data; + + if (! CloseHandle(rwlock->read_event)) + return apr_get_os_error(); + + if (! CloseHandle(rwlock->write_mutex)) + return apr_get_os_error(); + + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t)apr_thread_rwlock_create(apr_thread_rwlock_t **rwlock, + apr_pool_t *pool) +{ + *rwlock = apr_palloc(pool, sizeof(**rwlock)); + + (*rwlock)->pool = pool; + (*rwlock)->readers = 0; + + if (! ((*rwlock)->read_event = CreateEvent(NULL, TRUE, FALSE, NULL))) { + *rwlock = NULL; + return apr_get_os_error(); + } + + if (! ((*rwlock)->write_mutex = CreateMutex(NULL, FALSE, NULL))) { + CloseHandle((*rwlock)->read_event); + *rwlock = NULL; + return apr_get_os_error(); + } + + apr_pool_cleanup_register(pool, *rwlock, thread_rwlock_cleanup, + apr_pool_cleanup_null); + + return APR_SUCCESS; +} + +static apr_status_t apr_thread_rwlock_rdlock_core(apr_thread_rwlock_t *rwlock, + DWORD milliseconds) +{ + DWORD code = WaitForSingleObject(rwlock->write_mutex, milliseconds); + + if (code == WAIT_FAILED || code == WAIT_TIMEOUT) + return APR_FROM_OS_ERROR(code); + + /* We've successfully acquired the writer mutex, we can't be locked + * for write, so it's OK to add the reader lock. The writer mutex + * doubles as race condition protection for the readers counter. + */ + InterlockedIncrement(&rwlock->readers); + + if (! ResetEvent(rwlock->read_event)) + return apr_get_os_error(); + + if (! ReleaseMutex(rwlock->write_mutex)) + return apr_get_os_error(); + + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_rwlock_rdlock(apr_thread_rwlock_t *rwlock) +{ + return apr_thread_rwlock_rdlock_core(rwlock, INFINITE); +} + +APR_DECLARE(apr_status_t) +apr_thread_rwlock_tryrdlock(apr_thread_rwlock_t *rwlock) +{ + return apr_thread_rwlock_rdlock_core(rwlock, 0); +} + +static apr_status_t +apr_thread_rwlock_wrlock_core(apr_thread_rwlock_t *rwlock, DWORD milliseconds) +{ + DWORD code = WaitForSingleObject(rwlock->write_mutex, milliseconds); + + if (code == WAIT_FAILED || code == WAIT_TIMEOUT) + return APR_FROM_OS_ERROR(code); + + /* We've got the writer lock but we have to wait for all readers to + * unlock before it's ok to use it. + */ + if (rwlock->readers) { + /* Must wait for readers to finish before returning, unless this + * is an trywrlock (milliseconds == 0): + */ + code = milliseconds + ? WaitForSingleObject(rwlock->read_event, milliseconds) + : WAIT_TIMEOUT; + + if (code == WAIT_FAILED || code == WAIT_TIMEOUT) { + /* Unable to wait for readers to finish, release write lock: */ + if (! ReleaseMutex(rwlock->write_mutex)) + return apr_get_os_error(); + + return APR_FROM_OS_ERROR(code); + } + } + + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_thread_rwlock_wrlock(apr_thread_rwlock_t *rwlock) +{ + return apr_thread_rwlock_wrlock_core(rwlock, INFINITE); +} + +APR_DECLARE(apr_status_t)apr_thread_rwlock_trywrlock(apr_thread_rwlock_t *rwlock) +{ + return apr_thread_rwlock_wrlock_core(rwlock, 0); +} + +APR_DECLARE(apr_status_t) apr_thread_rwlock_unlock(apr_thread_rwlock_t *rwlock) +{ + apr_status_t rv = 0; + + /* First, guess that we're unlocking a writer */ + if (! ReleaseMutex(rwlock->write_mutex)) + rv = apr_get_os_error(); + + if (rv == APR_FROM_OS_ERROR(ERROR_NOT_OWNER)) { + /* Nope, we must have a read lock */ + if (rwlock->readers && + ! InterlockedDecrement(&rwlock->readers) && + ! SetEvent(rwlock->read_event)) { + rv = apr_get_os_error(); + } + else { + rv = 0; + } + } + + return rv; +} + +APR_DECLARE(apr_status_t) apr_thread_rwlock_destroy(apr_thread_rwlock_t *rwlock) +{ + return apr_pool_cleanup_run(rwlock->pool, rwlock, thread_rwlock_cleanup); +} + +APR_POOL_IMPLEMENT_ACCESSOR(thread_rwlock) -- cgit 1.2.3-korg