dyld-43.tar.gz
[apple/dyld.git] / unit-tests / test-cases / dlopen-initializer / main.c
1 /*
2 * Copyright (c) 2005 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 <stdio.h> // fprintf(), NULL
24 #include <stdlib.h> // exit(), EXIT_SUCCESS
25 #include <dlfcn.h>
26
27 #include "test.h" // PASS(), FAIL(), XPASS(), XFAIL()
28
29 typedef int (*getInitCountProc)(void);
30
31
32 static void trySO(const char* path)
33 {
34 void* handle = dlopen(path, RTLD_LAZY);
35 if ( handle == NULL ) {
36 FAIL("dlopen(\"%s\") failed", path);
37 exit(0);
38 }
39
40 getInitCountProc sym = (getInitCountProc)dlsym(handle, "getInitCount");
41 if ( sym == NULL ) {
42 FAIL("dlsym(handle, \"getInitCount\") failed");
43 exit(0);
44 }
45
46 int count = (*sym)();
47 if ( count != 1 ) {
48 FAIL("initializer in %s called %d times", path, count);
49 exit(0);
50 }
51
52 }
53
54
55
56 int main()
57 {
58 trySO("test1.dylib");
59 trySO("test2.dylib");
60 //trySO("test3.dylib"); // Mac OS X 10.4 does not automatically run _init functions
61 PASS("dlopen-initializer");
62 return EXIT_SUCCESS;
63 }