forked from mirrors/gecko-dev
66 lines
2 KiB
C++
66 lines
2 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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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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// 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() override;
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virtual void CleanUp() override;
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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] MOZ_GUARDED_BY(
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sLock);
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};
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inline void AssertIOThread() {
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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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