unit-tests/test-cases/dlopen-RTLD_NOLOAD-in-initializer/bar.c

   1 /*
   2  * Copyright (c) 2006 Apple Computer, 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 <stdbool.h>
  24 #include <stdlib.h> // exit(), EXIT_SUCCESS
  25 #include <dlfcn.h>
  26
  27 #include "test.h" // PASS(), FAIL(), XPASS(), XFAIL()
  28
  29
  30 extern bool bazInitialized();
  31
  32 static void myInit() __attribute__((constructor));
  33
  34 static void myInit()
  35 {
  36         if ( bazInitialized() ) {
  37                 FAIL("dlopen-RTLD_NOLOAD-in-initializer baz initialized too early");
  38                 exit(0);
  39         }
  40
  41         // calling dlopen with RTLD_NOLOAD.
  42         // this should not cause initialzers to run.
  43         // in particular, baz should be be initialized
  44         dlopen("libbaz.dylib", RTLD_NOLOAD);
  45
  46         if ( bazInitialized() ) {
  47                 FAIL("dlopen-RTLD_NOLOAD-in-initializer baz initialized by dlopen");
  48                 exit(0);
  49         }
  50 }
  51