unit-tests/test-cases/dlopen-leak-threaded/main.c

   1 /*
   2  * Copyright (c) 2007 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <dlfcn.h>
  26 #include <unistd.h>
  27 #include <stdlib.h>
  28 #include <pthread.h>
  29
  30
  31 #include "test.h"
  32
  33
  34 ///
  35 /// Test that the dyld copy of the unwinder keeps each thread's
  36 /// exception object seperate.
  37 ///
  38
  39 static void* work(void* arg)
  40 {
  41         // will fail and cause exception to be thrown inside dyld
  42         dlopen((char*)arg, RTLD_LAZY);
  43         return NULL;
  44 }
  45
  46
  47 int main()
  48 {
  49         pthread_t worker1;
  50         if ( pthread_create(&worker1, NULL, work, "/frazzle/bar") != 0 ) {
  51                 FAIL("pthread_create failed");
  52                 exit(0);
  53         }
  54
  55         pthread_t worker2;
  56         if ( pthread_create(&worker2, NULL, work, "/frazzle/foo") != 0 ) {
  57                 FAIL("pthread_create failed");
  58                 exit(0);
  59         }
  60
  61         pthread_t worker3;
  62         if ( pthread_create(&worker3, NULL, work, "/frazzle/dazzle") != 0 ) {
  63                 FAIL("pthread_create failed");
  64                 exit(0);
  65         }
  66
  67
  68         void* result;
  69         //fprintf(stderr, "waiting for worker 1\n");
  70         pthread_join(worker1, &result);
  71         //fprintf(stderr, "waiting for worker 2\n");
  72         pthread_join(worker2, &result);
  73         //fprintf(stderr, "waiting for worker 3\n");
  74         pthread_join(worker3, &result);
  75
  76         // execute leaks command on myself
  77         char cmd[512];
  78         sprintf(cmd, "leaks %u\n", getpid());
  79         system(cmd);
  80
  81         return EXIT_SUCCESS;
  82 }
  83
  84