diff options
Diffstat (limited to 'rubbos/app/httpd-2.0.64/srclib/apr/test/testglobalmutex.c')
| -rw-r--r-- | rubbos/app/httpd-2.0.64/srclib/apr/test/testglobalmutex.c | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/test/testglobalmutex.c b/rubbos/app/httpd-2.0.64/srclib/apr/test/testglobalmutex.c new file mode 100644 index 00000000..7ac3b518 --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/test/testglobalmutex.c @@ -0,0 +1,158 @@ +/* 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_shm.h" +#include "apr_thread_proc.h" +#include "apr_file_io.h" +#include "apr_global_mutex.h" +#include "apr_errno.h" +#include "apr_general.h" +#include "apr_getopt.h" +#include "errno.h" +#include <stdio.h> +#include <stdlib.h> +#include "test_apr.h" + + +#define MAX_ITER 4000 +#define MAX_COUNTER (MAX_ITER * 4) + +apr_global_mutex_t *global_lock; +apr_pool_t *pool; +volatile int *x; + +static int make_child(apr_proc_t **proc, apr_pool_t *p) +{ + int i = 0; + *proc = apr_pcalloc(p, sizeof(**proc)); + + /* slight delay to allow things to settle */ + apr_sleep (1); + + if (apr_proc_fork(*proc, p) == APR_INCHILD) { + apr_initialize(); + + apr_global_mutex_child_init(&global_lock, NULL, p); + + while (1) { + apr_global_mutex_lock(global_lock); + if (i == MAX_ITER) { + apr_global_mutex_unlock(global_lock); + exit(1); + } + i++; + (*x)++; + apr_global_mutex_unlock(global_lock); + } + exit(1); + } + return APR_SUCCESS; +} + +static apr_status_t test_exclusive(const char *lockname) +{ + apr_proc_t *p1, *p2, *p3, *p4; + apr_status_t s1, s2, s3, s4; + + printf("Exclusive lock test\n"); + printf("%-60s", " Initializing the lock"); + s1 = apr_global_mutex_create(&global_lock, lockname, APR_LOCK_DEFAULT, pool); + + if (s1 != APR_SUCCESS) { + printf("Failed!\n"); + return s1; + } + printf("OK\n"); + + printf("%-60s", " Starting all of the processes"); + fflush(stdout); + s1 = make_child(&p1, pool); + s2 = make_child(&p2, pool); + s3 = make_child(&p3, pool); + s4 = make_child(&p4, pool); + if (s1 != APR_SUCCESS || s2 != APR_SUCCESS || + s3 != APR_SUCCESS || s4 != APR_SUCCESS) { + printf("Failed!\n"); + return s1; + } + printf("OK\n"); + + printf("%-60s", " Waiting for processes to exit"); + s1 = apr_proc_wait(p1, NULL, NULL, APR_WAIT); + s2 = apr_proc_wait(p2, NULL, NULL, APR_WAIT); + s3 = apr_proc_wait(p3, NULL, NULL, APR_WAIT); + s4 = apr_proc_wait(p4, NULL, NULL, APR_WAIT); + printf("OK\n"); + + if ((*x) != MAX_COUNTER) { + fprintf(stderr, "Locks don't appear to work! x = %d instead of %d\n", + (*x), MAX_COUNTER); + } + else { + printf("Test passed\n"); + } + return APR_SUCCESS; +} + +int main(int argc, const char * const *argv) +{ + apr_status_t rv; + char errmsg[200]; + const char *lockname = NULL; + const char *shmname = "shm.file"; + apr_getopt_t *opt; + char optchar; + const char *optarg; + apr_shm_t *shm; + + printf("APR Proc Mutex Test\n==============\n\n"); + + apr_initialize(); + atexit(apr_terminate); + + if (apr_pool_create(&pool, NULL) != APR_SUCCESS) + exit(-1); + + if ((rv = apr_getopt_init(&opt, pool, argc, argv)) != APR_SUCCESS) { + fprintf(stderr, "Could not set up to parse options: [%d] %s\n", + rv, apr_strerror(rv, errmsg, sizeof errmsg)); + exit(-1); + } + + while ((rv = apr_getopt(opt, "f:", &optchar, &optarg)) == APR_SUCCESS) { + if (optchar == 'f') { + lockname = optarg; + } + } + + if (rv != APR_SUCCESS && rv != APR_EOF) { + fprintf(stderr, "Could not parse options: [%d] %s\n", + rv, apr_strerror(rv, errmsg, sizeof errmsg)); + exit(-1); + } + + apr_shm_create(&shm, sizeof(int), shmname, pool); + x = apr_shm_baseaddr_get(shm); + + if ((rv = test_exclusive(lockname)) != APR_SUCCESS) { + fprintf(stderr,"Exclusive Lock test failed : [%d] %s\n", + rv, apr_strerror(rv, (char*)errmsg, 200)); + exit(-2); + } + + return 0; +} + |