michael@0: // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
michael@0: // Use of this source code is governed by a BSD-style license that can be
michael@0: // found in the LICENSE file.
michael@0: 
michael@0: #include "base/thread_local_storage.h"
michael@0: 
michael@0: #include "base/logging.h"
michael@0: 
michael@0: ThreadLocalStorage::Slot::Slot(TLSDestructorFunc destructor)
michael@0:     : initialized_(false) {
michael@0:   Initialize(destructor);
michael@0: }
michael@0: 
michael@0: bool ThreadLocalStorage::Slot::Initialize(TLSDestructorFunc destructor) {
michael@0:   DCHECK(!initialized_);
michael@0:   int error = pthread_key_create(&key_, destructor);
michael@0:   if (error) {
michael@0:     NOTREACHED();
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   initialized_ = true;
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: void ThreadLocalStorage::Slot::Free() {
michael@0:   DCHECK(initialized_);
michael@0:   int error = pthread_key_delete(key_);
michael@0:   if (error)
michael@0:     NOTREACHED();
michael@0:   initialized_ = false;
michael@0: }
michael@0: 
michael@0: void* ThreadLocalStorage::Slot::Get() const {
michael@0:   DCHECK(initialized_);
michael@0:   return pthread_getspecific(key_);
michael@0: }
michael@0: 
michael@0: void ThreadLocalStorage::Slot::Set(void* value) {
michael@0:   DCHECK(initialized_);
michael@0:   int error = pthread_setspecific(key_, value);
michael@0:   if (error)
michael@0:     NOTREACHED();
michael@0: }