base/threading/thread_local_storage_posix.cc

   1 // Copyright (c) 2012 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
   9 namespace base {
  10
  11 ThreadLocalStorage::Slot::Slot(TLSDestructorFunc destructor) {
  12   initialized_ = false;
  13   key_ = 0;
  14   Initialize(destructor);
  15 }
  16
  17 bool ThreadLocalStorage::StaticSlot::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
  29 void ThreadLocalStorage::StaticSlot::Free() {
  30   DCHECK(initialized_);
  31   int error = pthread_key_delete(key_);
  32   if (error)
  33     NOTREACHED();
  34   initialized_ = false;
  35 }
  36
  37 void* ThreadLocalStorage::StaticSlot::Get() const {
  38   DCHECK(initialized_);
  39   return pthread_getspecific(key_);
  40 }
  41
  42 void ThreadLocalStorage::StaticSlot::Set(void* value) {
  43   DCHECK(initialized_);
  44   int error = pthread_setspecific(key_, value);
  45   if (error)
  46     NOTREACHED();
  47 }
  48
  49 }  // namespace base