diff options
Diffstat (limited to 'rubbos/app/httpd-2.0.64/srclib/apr/locks/os2')
5 files changed, 614 insertions, 0 deletions
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$(DEFOSDIR) + +# DO NOT REMOVE diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/os2/proc_mutex.c b/rubbos/app/httpd-2.0.64/srclib/apr/locks/os2/proc_mutex.c new file mode 100644 index 00000000..5a493563 --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/locks/os2/proc_mutex.c @@ -0,0 +1,234 @@ +/* Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "apr_general.h" +#include "apr_lib.h" +#include "apr_strings.h" +#include "apr_portable.h" +#include "apr_arch_proc_mutex.h" +#include "apr_arch_file_io.h" +#include <string.h> +#include <stddef.h> + +#define CurrentTid (*_threadid) + +static char *fixed_name(const char *fname, apr_pool_t *pool) +{ + char *semname; + + if (fname == NULL) + semname = NULL; + else { + // Semaphores don't live in the file system, fix up the name + while (*fname == '/' || *fname == '\\') { + fname++; + } + + semname = apr_pstrcat(pool, "/SEM32/", fname, NULL); + + if (semname[8] == ':') { + semname[8] = '$'; + } + } + + 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 <string.h> + +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 <string.h> +#include <stddef.h> + +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 <string.h> + +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) + |