1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16#include <sys/cdefs.h>
17
18#include "pthread_internal.h"
19
20class thread_local_dtor {
21 public:
22  void (*func) (void *);
23  void *arg;
24  void *dso_handle; // unused...
25  thread_local_dtor* next;
26};
27
28extern "C" int __cxa_thread_atexit_impl(void (*func) (void *), void *arg, void *dso_handle) {
29  thread_local_dtor* dtor = new thread_local_dtor();
30
31  dtor->func = func;
32  dtor->arg = arg;
33  dtor->dso_handle = dso_handle;
34
35  pthread_internal_t* thread = __get_thread();
36  dtor->next = thread->thread_local_dtors;
37  thread->thread_local_dtors = dtor;
38  return 0;
39}
40
41extern "C" __LIBC_HIDDEN__ void __cxa_thread_finalize() {
42  pthread_internal_t* thread = __get_thread();
43  while (thread->thread_local_dtors != nullptr) {
44    thread_local_dtor* current = thread->thread_local_dtors;
45    thread->thread_local_dtors = current->next;
46
47    current->func(current->arg);
48    delete current;
49  }
50}
51