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 28#include "test.h" // PASS(), FAIL(), XPASS(), XFAIL() 29 30 31/// 32/// This tests that RTLD_NODELETE prevents an image from being unloaded 33/// 34 35static int trySO(const char* path) 36{ // main links against libfoo.dylib so it should already be loaded 37 void* handle = dlopen(path, RTLD_NODELETE); 38 if ( handle == NULL ) { 39 const char* msg = dlerror(); 40 FAIL("dlopen(\"%s\" RTLD_NODELETE) failed but it should have worked: %s", path, msg); 41 exit(0); 42 } 43 void* sym = dlsym(handle, "foo"); 44 if ( sym == NULL ) { 45 const char* msg = dlerror(); 46 FAIL("dlsym(handle, \"foo\") failed but it should have worked: %s", msg); 47 exit(0); 48 } 49 50 int result = dlclose(handle); 51 if ( result != 0 ) { 52 if ( result == 1 ) { 53 // panther dyld returns 1 if you try to dlclose() a dylib 54 XFAIL("dlclose(handle[%s]) returned %d", path, result); 55 } 56 else { 57 FAIL("dlclose(handle) returned %d", result); 58 exit(0); 59 } 60 } 61 62 // now try to access foo. If .so was unmapped, this will bus error 63 return *((int*)sym); 64} 65 66 67int main() 68{ 69 trySO("test.bundle"); 70 trySO("test.dylib"); 71 72 PASS("dlopen-RTLD_NODELETE"); 73 return 0; 74} 75