df79c330d8
This is initial implementations; does not yet handle dlclose - undefined behavior, needs linker support to handle it right. Bug: 19800080 Bug: 16696563 Change-Id: I7a3e21ed7f7ec01e62ea1b7cb2ab253590ea0686
49 lines
1.4 KiB
C++
49 lines
1.4 KiB
C++
/*
|
|
* Copyright (C) 2015 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
#include <sys/cdefs.h>
|
|
|
|
struct thread_local_dtor {
|
|
void (*func) (void *);
|
|
void *arg;
|
|
void *dso_handle; // unused...
|
|
thread_local_dtor* next;
|
|
};
|
|
|
|
__thread thread_local_dtor* thread_local_dtors = nullptr;
|
|
|
|
extern "C" int __cxa_thread_atexit_impl(void (*func) (void *), void *arg, void *dso_handle) {
|
|
thread_local_dtor* dtor = new thread_local_dtor();
|
|
|
|
dtor->func = func;
|
|
dtor->arg = arg;
|
|
dtor->dso_handle = dso_handle;
|
|
dtor->next = thread_local_dtors;
|
|
|
|
thread_local_dtors = dtor;
|
|
|
|
return 0;
|
|
}
|
|
|
|
extern "C" __LIBC_HIDDEN__ void __cxa_thread_finalize() {
|
|
while (thread_local_dtors != nullptr) {
|
|
thread_local_dtor* current = thread_local_dtors;
|
|
thread_local_dtors = current->next;
|
|
|
|
current->func(current->arg);
|
|
delete current;
|
|
}
|
|
}
|