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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "chrome/browser/chrome_thread.h"
// Friendly names for the well-known threads.
static const char* chrome_thread_names[ChromeThread::ID_COUNT] = {
"Chrome_IOThread", // IO
"Chrome_FileThread", // FILE
"Chrome_DBThread", // DB
"Chrome_HistoryThread", // HISTORY
};
Lock ChromeThread::lock_;
ChromeThread* ChromeThread::chrome_threads_[ID_COUNT] = {
NULL, // IO
NULL, // FILE
NULL, // DB
NULL, // HISTORY
};
ChromeThread::ChromeThread(ChromeThread::ID identifier)
: Thread(chrome_thread_names[identifier]),
identifier_(identifier) {
AutoLock lock(lock_);
DCHECK(identifier >= 0 && identifier < ID_COUNT);
DCHECK(chrome_threads_[identifier] == NULL);
chrome_threads_[identifier_] = this;
}
ChromeThread::~ChromeThread() {
AutoLock lock(lock_);
chrome_threads_[identifier_] = NULL;
}
// static
MessageLoop* ChromeThread::GetMessageLoop(ID identifier) {
AutoLock lock(lock_);
DCHECK(identifier >= 0 && identifier < ID_COUNT);
if (chrome_threads_[identifier])
return chrome_threads_[identifier]->message_loop();
return NULL;
}
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