dyld-43.tar.gz
[apple/dyld.git] / unit-tests / test-cases / dlerror / 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 <string.h>
26 #include <dlfcn.h>
27 #include <pthread.h>
28
29 #include "test.h" // PASS(), FAIL(), XPASS(), XFAIL()
30
31
32 ///
33 /// This tests that the dlerror message is kept per thread
34 ///
35
36 static void* work(void* arg)
37 {
38 const char* str = (char*)arg;
39 for(int i=0; i < 1000; ++i) {
40 //fprintf(stderr, "dlopen(%s)\n", str);
41 void* handle = dlopen(str, RTLD_LAZY);
42 if ( handle != NULL ) {
43 FAIL("dlopen(%s) unexpectedly succeeded", str);
44 exit(0);
45 }
46 char* msg = dlerror();
47 //fprintf(stderr, "dlopen(%s) => %s\n", str, msg);
48 if ( (msg == NULL) || (strstr(msg, str) == NULL) ) {
49 FAIL("dlerror() did not contain library name that could not be loaded", str);
50 exit(0);
51 }
52
53
54 }
55 return 0;
56 }
57
58
59
60 int main()
61 {
62 dlsym(RTLD_DEFAULT, "foobar");
63 fprintf(stderr, "%s\n", dlerror());
64
65 pthread_t worker1;
66 if ( pthread_create(&worker1, NULL, work, "/frazzle/bar") != 0 ) {
67 FAIL("pthread_create failed");
68 exit(0);
69 }
70
71 pthread_t worker2;
72 if ( pthread_create(&worker2, NULL, work, "/frazzle/foo") != 0 ) {
73 FAIL("pthread_create failed");
74 exit(0);
75 }
76
77 pthread_t worker3;
78 if ( pthread_create(&worker3, NULL, work, "/frazzle/dazzle") != 0 ) {
79 FAIL("pthread_create failed");
80 exit(0);
81 }
82
83 void* result;
84 fprintf(stderr, "waiting for worker 1\n");
85 pthread_join(worker1, &result);
86 fprintf(stderr, "waiting for worker 2\n");
87 pthread_join(worker2, &result);
88 fprintf(stderr, "waiting for worker 3\n");
89 pthread_join(worker3, &result);
90
91 PASS("dlerror-thread-test");
92 return 0;
93 }