зеркало из https://github.com/mozilla/gecko-dev.git
55 строки
1.7 KiB
C++
55 строки
1.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef mozilla_ThreadEventTarget_h
|
|
#define mozilla_ThreadEventTarget_h
|
|
|
|
#include "mozilla/MemoryReporting.h"
|
|
#include "mozilla/Mutex.h"
|
|
#include "mozilla/SynchronizedEventQueue.h" // for ThreadTargetSink
|
|
#include "nsISerialEventTarget.h"
|
|
|
|
namespace mozilla {
|
|
|
|
// ThreadEventTarget handles the details of posting an event to a thread. It can
|
|
// be used with any ThreadTargetSink implementation.
|
|
class ThreadEventTarget final : public nsISerialEventTarget {
|
|
public:
|
|
ThreadEventTarget(ThreadTargetSink* aSink, bool aIsMainThread);
|
|
|
|
NS_DECL_THREADSAFE_ISUPPORTS
|
|
NS_DECL_NSIEVENTTARGET_FULL
|
|
|
|
// Disconnects the target so that it can no longer post events.
|
|
void Disconnect(const MutexAutoLock& aProofOfLock) {
|
|
mSink->Disconnect(aProofOfLock);
|
|
}
|
|
|
|
// Sets the thread for which IsOnCurrentThread returns true to the current
|
|
// thread.
|
|
void SetCurrentThread();
|
|
// Call ClearCurrentThread() before the PRThread is deleted on thread join.
|
|
void ClearCurrentThread();
|
|
|
|
size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const {
|
|
size_t n = 0;
|
|
if (mSink) {
|
|
n += mSink->SizeOfIncludingThis(aMallocSizeOf);
|
|
}
|
|
return aMallocSizeOf(this) + n;
|
|
}
|
|
|
|
private:
|
|
~ThreadEventTarget() = default;
|
|
|
|
RefPtr<ThreadTargetSink> mSink;
|
|
bool mIsMainThread;
|
|
};
|
|
|
|
} // namespace mozilla
|
|
|
|
#endif // mozilla_ThreadEventTarget_h
|