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Diffstat (limited to 'test/testprocmutex.c')
-rw-r--r-- | test/testprocmutex.c | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/test/testprocmutex.c b/test/testprocmutex.c new file mode 100644 index 000000000..b014251d0 --- /dev/null +++ b/test/testprocmutex.c @@ -0,0 +1,193 @@ +/* ==================================================================== + * The Apache Software License, Version 1.1 + * + * Copyright (c) 2000-2001 The Apache Software Foundation. All rights + * reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. The end-user documentation included with the redistribution, + * if any, must include the following acknowledgment: + * "This product includes software developed by the + * Apache Software Foundation (http://www.apache.org/)." + * Alternately, this acknowledgment may appear in the software itself, + * if and wherever such third-party acknowledgments normally appear. + * + * 4. The names "Apache" and "Apache Software Foundation" must + * not be used to endorse or promote products derived from this + * software without prior written permission. For written + * permission, please contact apache@apache.org. + * + * 5. Products derived from this software may not be called "Apache", + * nor may "Apache" appear in their name, without prior written + * permission of the Apache Software Foundation. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * ==================================================================== + * + * This software consists of voluntary contributions made by many + * individuals on behalf of the Apache Software Foundation. For more + * information on the Apache Software Foundation, please see + * <http://www.apache.org/>. + */ + +#include "apr_shmem.h" +#include "apr_thread_proc.h" +#include "apr_file_io.h" +#include "apr_lock.h" +#include "apr_proc_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 40000 +#define MAX_COUNTER (MAX_ITER * 4) + +apr_proc_mutex_t *proc_lock; +apr_pool_t *pool; +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) { + while (1) { + apr_proc_mutex_lock(proc_lock); + if (i == MAX_ITER) { + apr_proc_mutex_unlock(proc_lock); + exit(1); + } + i++; + (*x)++; + apr_proc_mutex_unlock(proc_lock); + } + exit(1); + } + return APR_SUCCESS; +} + +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_proc_mutex_create(&proc_lock, lockname, 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, APR_WAIT); + s2 = apr_proc_wait(p2, APR_WAIT); + s3 = apr_proc_wait(p3, APR_WAIT); + s4 = apr_proc_wait(p4, 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 = "multi.lock"; + const char *shmname = "shm.file"; + apr_getopt_t *opt; + char optchar; + const char *optarg; + apr_shmem_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_init(&shm, sizeof(int), shmname, pool); + x = apr_shm_calloc(shm, sizeof(int)); + + 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; +} + |