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
36static 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
60int 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}
94