thread_local_storage_posix.cc revision 72a454cd3513ac24fbdd0e0cb9ad70b86a99b801 
1// Copyright (c) 2011 The Chromium 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 "base/threading/thread_local_storage.h"
6
7#include "base/logging.h"
8
9namespace base {
10
11ThreadLocalStorage::Slot::Slot(TLSDestructorFunc destructor)
12    : initialized_(false),
13      key_(0) {
14  Initialize(destructor);
15}
16
17bool ThreadLocalStorage::Slot::Initialize(TLSDestructorFunc destructor) {
18  DCHECK(!initialized_);
19  int error = pthread_key_create(&key_, destructor);
20  if (error) {
21    NOTREACHED();
22    return false;
23  }
24
25  initialized_ = true;
26  return true;
27}
28
29void ThreadLocalStorage::Slot::Free() {
30  DCHECK(initialized_);
31  int error = pthread_key_delete(key_);
32  if (error)
33    NOTREACHED();
34  initialized_ = false;
35}
36
37void* ThreadLocalStorage::Slot::Get() const {
38  DCHECK(initialized_);
39  return pthread_getspecific(key_);
40}
41
42void ThreadLocalStorage::Slot::Set(void* value) {
43  DCHECK(initialized_);
44  int error = pthread_setspecific(key_, value);
45  if (error)
46    NOTREACHED();
47}
48
49}  // namespace base
50