1// Copyright 2013 The Flutter Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "flutter/fml/thread_local.h"
6
7#if FML_THREAD_LOCAL_PTHREADS
8
9#include "flutter/fml/logging.h"
10
11namespace fml {
12namespace internal {
13
14ThreadLocalPointer::ThreadLocalPointer(void (*destroy)(void*)) {
15 FML_CHECK(pthread_key_create(&key_, destroy) == 0);
16}
17
18ThreadLocalPointer::~ThreadLocalPointer() {
19 FML_CHECK(pthread_key_delete(key_) == 0);
20}
21
22void* ThreadLocalPointer::get() const {
23 return pthread_getspecific(key_);
24}
25
26void* ThreadLocalPointer::swap(void* ptr) {
27 void* old_ptr = get();
28 FML_CHECK(pthread_setspecific(key_, ptr) == 0);
29 return old_ptr;
30}
31
32} // namespace internal
33} // namespace fml
34
35#endif // FML_THREAD_LOCAL_PTHREADS
36