1/*
2 * Copyright (c) 2007 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 <dlfcn.h>
26#include <pthread.h>
27
28#include "test.h" // PASS(), FAIL(), XPASS(), XFAIL()
29
30#include "base.h"
31
32
33///
34/// This test verifies that dlopen() releases the dyld lock
35/// while initializers are run.
36///
37///
38
39
40static void* work(void* arg)
41{
42	waitForState(1);
43	dlopen("libbar.dylib", RTLD_LAZY);		// dladdr() will hang until dyld lock is released
44	setState(2);				// the initializer in libfoo.dylib is block waiting for state 2
45	return NULL;
46}
47
48
49int main()
50{
51	pthread_t otherThread;
52	if ( pthread_create(&otherThread, NULL, work, NULL) != 0 ) {
53		FAIL("dlopen-dyld-locking: pthread_create failed");
54		exit(0);
55	}
56
57
58	void* handle = dlopen("libfoo.dylib", RTLD_LAZY);
59	if ( handle == NULL ) {
60		FAIL("dlopen-dyld-locking: dlopen(\"libfoo.dylib\") failed: %s", dlerror());
61		exit(0);
62	}
63
64	PASS("dlopen-dyld-locking");
65	return EXIT_SUCCESS;
66}
67
68
69