unit-tests/test-cases/image-remove-crash/main.c

   1 /*
   2  * Copyright (c) 2013 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>  // fprintf(), NULL
  24 #include <stdlib.h> // exit(), EXIT_SUCCESS
  25 #include <stdbool.h>
  26 #include <mach-o/dyld.h>
  27 #include <dlfcn.h>
  28
  29 #include "test.h" // PASS(), FAIL(), XPASS(), XFAIL()
  30
  31
  32 static bool sNotified = false;
  33
  34 static void removeNotification2(const struct mach_header *mh, intptr_t vmaddr_slide)
  35 {
  36 }
  37
  38 static void removeNotification(const struct mach_header *mh, intptr_t vmaddr_slide)
  39 {
  40         // <rdar://problem/15025198> crash in dyld possible if remove callbacks added within a remove callback
  41         _dyld_register_func_for_remove_image(removeNotification2);
  42         _dyld_register_func_for_remove_image(removeNotification2);
  43         _dyld_register_func_for_remove_image(removeNotification2);
  44         _dyld_register_func_for_remove_image(removeNotification2);
  45         _dyld_register_func_for_remove_image(removeNotification2);
  46
  47         sNotified = true;
  48 }
  49
  50
  51 int main(int argc, const char* argv[])
  52 {
  53         // tell dyld we want to know when images go away
  54         _dyld_register_func_for_remove_image(removeNotification);
  55
  56         void* handle = dlopen("foo.bundle", RTLD_LAZY);
  57         if ( handle == NULL ) {
  58                 FAIL("image-remove-crash: dlopen(foo.bundle) failed: %s", dlerror());
  59                 exit(0);
  60         }
  61
  62         int result = dlclose(handle);
  63         if ( result != 0 ) {
  64                 FAIL("image-remove-crash: dlclose(handle) returned %d, %s", result, dlerror());
  65                 exit(0);
  66         }
  67
  68         if ( sNotified )
  69                 PASS("image-remove-crash");
  70         else
  71                 FAIL("image-remove-crash");
  72
  73         return EXIT_SUCCESS;
  74 }