gecko-dev/netwerk/base/PollableEvent.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* 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 PollableEvent_h__
#define PollableEvent_h__
#include "mozilla/Mutex.h"
namespace mozilla {
namespace net {
// class must be called locked
class PollableEvent
{
public:
PollableEvent();
~PollableEvent();
// Signal/Clear return false only if they fail
bool Signal();
bool Clear();
bool Valid() { return mWriteFD && mReadFD; }
PRFileDesc *PollableFD() { return mReadFD; }
private:
PRFileDesc *mWriteFD;
PRFileDesc *mReadFD;
bool mSignaled;
};
} // namespace net
} // namespace mozilla
#endif