| | 1 | /* |
| | 2 | * Copyright (c) 2010 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 <string.h> |
| | 26 | #include <dlfcn.h> |
| | 27 | #include <pthread.h> |
| | 28 | |
| | 29 | #include "test.h" // PASS(), FAIL(), XPASS(), XFAIL() |
| | 30 | |
| | 31 | |
| | 32 | void* h1 = NULL; |
| | 33 | void* h2 = NULL; |
| | 34 | |
| | 35 | static void* work(void* ignore) |
| | 36 | { |
| | 37 | for (int i=0; i < 10000; ++i) { |
| | 38 | h1 = dlopen("libfoo1.dylib", 0); |
| | 39 | if ( h1 == NULL ) { |
| | 40 | FAIL("dlopen failed: %s", dlerror()); |
| | 41 | exit(0); |
| | 42 | } |
| | 43 | dlclose(h2); |
| | 44 | h2 = dlopen("libfoo2.dylib", 0); |
| | 45 | if ( h2 == NULL ) { |
| | 46 | FAIL("dlopen failed: %s", dlerror()); |
| | 47 | exit(0); |
| | 48 | } |
| | 49 | dlclose(h1); |
| | 50 | } |
| | 51 | |
| | 52 | //fprintf(stderr, "done with foos\n"); |
| | 53 | return NULL; |
| | 54 | } |
| | 55 | |
| | 56 | |
| | 57 | int main() |
| | 58 | { |
| | 59 | h2 = dlopen("libfoo2.dylib", 0); |
| | 60 | if ( h2 == NULL ) { |
| | 61 | FAIL("dlopen failed: %s", dlerror()); |
| | 62 | exit(0); |
| | 63 | } |
| | 64 | |
| | 65 | // other thread dlopens and closes libfoo.dylib 500 times |
| | 66 | pthread_t other; |
| | 67 | if ( pthread_create(&other, NULL, work, NULL) != 0 ) { |
| | 68 | FAIL("pthread_create failed"); |
| | 69 | exit(0); |
| | 70 | } |
| | 71 | |
| | 72 | // this thread looks up a symbol 10,000 times |
| | 73 | for (int i=0; i < 15000; ++i) { |
| | 74 | void* handle = dlopen("libclient.dylib", 0); |
| | 75 | if ( handle == NULL ) { |
| | 76 | FAIL("dlopen failed: %s", dlerror()); |
| | 77 | exit(0); |
| | 78 | } |
| | 79 | typedef void (*proc_t)(); |
| | 80 | proc_t proc = dlsym(handle, "doit"); |
| | 81 | if ( proc == NULL ) { |
| | 82 | FAIL("dlsym failed: %s", dlerror()); |
| | 83 | exit(0); |
| | 84 | } |
| | 85 | (*proc)(); |
| | 86 | dlclose(handle); |
| | 87 | } |
| | 88 | //fprintf(stderr, "done with libclient\n"); |
| | 89 | |
| | 90 | void* result; |
| | 91 | pthread_join(other, &result); |
| | 92 | |
| | 93 | PASS("threaded-flat-lookup"); |
| | 94 | return 0; |
| | 95 | } |
projects / apple / dyld.git / blame_incremental