-/*
- * Copyright (c) 2005 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-#include <stdio.h> // fprintf(), NULL
-#include <stdlib.h> // exit(), EXIT_SUCCESS
-#include <dlfcn.h>
-
-#include "test.h" // PASS(), FAIL(), XPASS(), XFAIL()
-
-
-
-
-
-void verifyfoo()
-{
- // open same dylib three times
- void* handle1 = dlopen("libfoo.dylib", RTLD_LAZY);
- if ( handle1 == NULL ) {
- FAIL("dlclose-dylib-unload: dlopen(\"libfoo.dylib\", RTLD_LAZY) failed with dlerror()=%s", dlerror());
- exit(0);
- }
-
- void* handle2 = dlopen("libfoo.dylib", RTLD_LAZY);
- if ( handle2 == NULL ) {
- FAIL("dlclose-dylib-unload: dlopen(\"libfoo.dylib\", RTLD_LAZY) failed with dlerror()=%s", dlerror());
- exit(0);
- }
-
- void* handle3 = dlopen("libfoo.dylib", RTLD_LAZY);
- if ( handle3 == NULL ) {
- FAIL("dlclose-dylib-unload: dlopen(\"libfoo.dylib\", RTLD_LAZY) failed with dlerror()=%s", dlerror());
- exit(0);
- }
-
- // get symbol
- void* sym = dlsym(handle1, "foo");
- if ( sym == NULL ) {
- FAIL("dlclose-dylib-unload: dlsym(handle1, \"foo\") failed");
- exit(0);
- }
-
- // close same bundle three times
- if ( dlclose(handle3) != 0 ) {
- FAIL("dlclose-dylib-unload: dlclose(handle3) != 0, dlerrr()=%s", dlerror());
- exit(0);
- }
-
- if ( dlclose(handle2) != 0 ) {
- FAIL("dlclose-dylib-unload: dlclose(handle2) != 0, dlerrr()=%s", dlerror());
- exit(0);
- }
-
- if ( dlclose(handle1) != 0 ) {
- FAIL("dlclose-dylib-unload: dlclose(handle1) != 0, dlerrr()=%s", dlerror());
- exit(0);
- }
-
- // symbol foo should no longer be accessible via dladdr()
- Dl_info info;
- if ( dladdr(sym, &info) != 0 ) {
- FAIL("dlclose-dylib-unload: dladdr(foo_sym) != 0, but should have failed");
- //exit(0);
- }
-
- // extra close should fail
- if ( dlclose(handle1) == 0 ) {
- FAIL("dlclose-dylib-unload: dlclose(foo_handle4) == 0, but should have failed");
- //exit(0);
- }
-
-}
-
-
-
-void verifybar()
-{
- // open same dylib three times
- void* handle1 = dlopen("libbar.dylib", RTLD_LAZY);
- if ( handle1 == NULL ) {
- FAIL("dlclose-dylib-unload: dlopen(\"libbar.dylib\", RTLD_LAZY) failed with dlerror()=%s", dlerror());
- exit(0);
- }
-
- void* handle2 = dlopen("libbar.dylib", RTLD_LAZY);
- if ( handle2 == NULL ) {
- FAIL("dlclose-dylib-unload: dlopen(\"libbar.dylib\", RTLD_LAZY) failed with dlerror()=%s", dlerror());
- exit(0);
- }
-
- void* handle3 = dlopen("libbar.dylib", RTLD_LAZY);
- if ( handle3 == NULL ) {
- FAIL("dlclose-dylib-unload: dlopen(\"libbar.dylib\", RTLD_LAZY) failed with dlerror()=%s", dlerror());
- exit(0);
- }
-
- // get symbol
- void* sym = dlsym(handle1, "bar");
- if ( sym == NULL ) {
- FAIL("dlclose-dylib-unload: dlsym(handle1, \"bar\") failed");
- exit(0);
- }
-
- // close same bundle three times
- if ( dlclose(handle3) != 0 ) {
- FAIL("dlclose-dylib-unload: dlclose(handle3) != 0, dlerrr()=%s", dlerror());
- exit(0);
- }
-
- if ( dlclose(handle2) != 0 ) {
- FAIL("dlclose-dylib-unload: dlclose(handle2) != 0, dlerrr()=%s", dlerror());
- exit(0);
- }
-
- if ( dlclose(handle1) != 0 ) {
- FAIL("dlclose-dylib-unload: dlclose(handle1) != 0, dlerrr()=%s", dlerror());
- exit(0);
- }
-
- // symbol bar should still longer be accessible via dladdr() because of external reference to libbar.dylib
- Dl_info info;
- if ( dladdr(sym, &info) == 0 ) {
- FAIL("dlclose-dylib-unload: dladdr(bar_sym) == 0, but should have succeeded");
- exit(0);
- }
-
- // extra close should fail
- if ( dlclose(handle1) == 0 ) {
- FAIL("dlclose-dylib-unload: dlclose(bar_handle4) == 0, but should have failed");
- exit(0);
- }
-}
-
-
-// verify libbar.dylib can be loaded and unloaded
-// verify libbar.dylib can be loaded, but cannot be unloaded (because main executable links against it)
-int main()
-{
- verifyfoo();
- verifybar();
-
- PASS("dlclose-dylib-unload");
- return EXIT_SUCCESS;
-}
projects / apple / dyld.git / commitdiff
