| /* ==================================================================== |
| * Copyright (c) 1999 The Apache Group. 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. All advertising materials mentioning features or use of this |
| * software must display the following acknowledgment: |
| * "This product includes software developed by the Apache Group |
| * for use in the Apache HTTP server project (http://www.apache.org/)." |
| * |
| * 4. The names "Apache Server" and "Apache Group" 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 names without prior written |
| * permission of the Apache Group. |
| * |
| * 6. Redistributions of any form whatsoever must retain the following |
| * acknowledgment: |
| * "This product includes software developed by the Apache Group |
| * for use in the Apache HTTP server project (http://www.apache.org/)." |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE APACHE GROUP ``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 GROUP 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 Group. |
| * For more information on the Apache Group and the Apache HTTP server |
| * project, please see <http://www.apache.org/>. |
| * |
| */ |
| #include "apr_thread_proc.h" |
| #include "apr_lock.h" |
| #include "apr_errno.h" |
| #include "apr_general.h" |
| #include "errno.h" |
| #include <stdio.h> |
| #ifdef BEOS |
| #include <unistd.h> |
| #endif |
| |
| |
| void * API_THREAD_FUNC thread_func1(void *data); |
| void * API_THREAD_FUNC thread_func2(void *data); |
| void * API_THREAD_FUNC thread_func3(void *data); |
| void * API_THREAD_FUNC thread_func4(void *data); |
| |
| |
| ap_lock_t *thread_lock; |
| ap_context_t *context; |
| int x = 0; |
| |
| void * API_THREAD_FUNC thread_func1(void *data) |
| { |
| int i; |
| for (i = 0; i < 10000; i++) { |
| ap_lock(thread_lock); |
| x++; |
| ap_unlock(thread_lock); |
| } |
| return NULL; |
| } |
| |
| void * API_THREAD_FUNC thread_func2(void *data) |
| { |
| int i; |
| for (i = 0; i < 10000; i++) { |
| ap_lock(thread_lock); |
| x++; |
| ap_unlock(thread_lock); |
| } |
| return NULL; |
| } |
| |
| void * API_THREAD_FUNC thread_func3(void *data) |
| { |
| int i; |
| for (i = 0; i < 10000; i++) { |
| ap_lock(thread_lock); |
| x++; |
| ap_unlock(thread_lock); |
| } |
| return NULL; |
| } |
| |
| void * API_THREAD_FUNC thread_func4(void *data) |
| { |
| int i; |
| for (i = 0; i < 10000; i++) { |
| ap_lock(thread_lock); |
| x++; |
| ap_unlock(thread_lock); |
| } |
| return NULL; |
| } |
| |
| int main() |
| { |
| ap_thread_t *t1; |
| ap_thread_t *t2; |
| ap_thread_t *t3; |
| ap_thread_t *t4; |
| ap_status_t s1; |
| ap_status_t s2; |
| ap_status_t s3; |
| ap_status_t s4; |
| |
| fprintf(stdout, "Initializing the context......."); |
| if (ap_create_context(NULL, NULL, &context) != APR_SUCCESS) { |
| fprintf(stderr, "could not initialize\n"); |
| exit(-1); |
| } |
| fprintf(stdout, "OK\n"); |
| |
| fprintf(stdout, "Initializing the lock......."); |
| s1 = ap_create_lock(context, APR_INTRAPROCESS, "lock.file", &thread_lock); |
| if (s1 != APR_SUCCESS) { |
| fprintf(stderr, "Could not create lock\n"); |
| exit(-1); |
| } |
| fprintf(stdout, "OK\n"); |
| |
| fprintf(stdout, "Starting all the threads......."); |
| s1 = ap_create_thread(context, NULL, thread_func1, NULL, &t1); |
| s2 = ap_create_thread(context, NULL, thread_func2, NULL, &t2); |
| s3 = ap_create_thread(context, NULL, thread_func3, NULL, &t3); |
| s4 = ap_create_thread(context, NULL, thread_func4, NULL, &t4); |
| if (s1 != APR_SUCCESS || s2 != APR_SUCCESS || |
| s3 != APR_SUCCESS || s4 != APR_SUCCESS) { |
| fprintf(stderr, "Error starting thread\n"); |
| exit(-1); |
| } |
| fprintf(stdout, "OK\n"); |
| |
| fprintf(stdout, "Waiting for threads to exit......."); |
| ap_thread_join(t1, &s1); |
| ap_thread_join(t2, &s2); |
| ap_thread_join(t3, &s3); |
| ap_thread_join(t4, &s4); |
| fprintf (stdout, "OK\n"); |
| |
| fprintf(stdout, "Checking if locks worked......."); |
| if (x != 40000) { |
| fprintf(stderr, "The locks didn't work???? %d\n", x); |
| } |
| else { |
| fprintf(stdout, "Everything is working!\n"); |
| } |
| |
| return 1; |
| } |