77 lines
2.3 KiB
C++
77 lines
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_ipc_BrowserProcessSubThread_h
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#define mozilla_ipc_BrowserProcessSubThread_h
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#include "base/thread.h"
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#include "mozilla/StaticMutex.h"
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#include "nsDebug.h"
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namespace mozilla {
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namespace ipc {
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// Copied from browser_process_impl.cc, modified slightly.
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class BrowserProcessSubThread : public base::Thread
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{
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public:
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// An enumeration of the well-known threads.
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enum ID {
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IO,
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//FILE,
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//DB,
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//HISTORY,
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#if defined(OS_LINUX) || defined(OS_SOLARIS)
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// This thread has a second connection to the X server and is used
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// to process UI requests when routing the request to the UI
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// thread would risk deadlock.
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BACKGROUND_X11,
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#endif
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// This identifier does not represent a thread. Instead it counts
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// the number of well-known threads. Insert new well-known
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// threads before this identifier.
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ID_COUNT
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};
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explicit BrowserProcessSubThread(ID aId);
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~BrowserProcessSubThread();
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static MessageLoop* GetMessageLoop(ID identifier);
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protected:
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virtual void Init();
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virtual void CleanUp();
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private:
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// The identifier of this thread. Only one thread can exist with a given
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// identifier at a given time.
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ID mIdentifier;
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// This lock protects |browser_threads_|. Do not read or modify that array
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// without holding this lock. Do not block while holding this lock.
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static StaticMutex sLock;
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// An array of the ChromeThread objects. This array is protected by |lock_|.
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// The threads are not owned by this array. Typically, the threads are owned
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// on the UI thread by the g_browser_process object. ChromeThreads remove
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// themselves from this array upon destruction.
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static BrowserProcessSubThread* sBrowserThreads[ID_COUNT];
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};
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inline void AssertIOThread()
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{
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NS_ASSERTION(MessageLoop::TYPE_IO == MessageLoop::current()->type(),
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"should be on the IO thread!");
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}
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} // namespace ipc
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} // namespace mozilla
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#endif // mozilla_ipc_BrowserProcessSubThread_h
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