| | 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 | |
| | 35 | static 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 | |
| | 67 | int main() |
| | 68 | { |
| | 69 | trySO("test.bundle"); |
| | 70 | trySO("test.dylib"); |
| | 71 | |
| | 72 | PASS("dlopen-RTLD_NODELETE"); |
| | 73 | return 0; |
| | 74 | } |
projects / apple / dyld.git / blame_incremental