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/* -*- 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_mscom_SpinEvent_h
#define mozilla_mscom_SpinEvent_h
#include "mozilla/Atomics.h"
#include "mozilla/Attributes.h"
#include "nsWindowsHelpers.h"
namespace mozilla {
namespace mscom {
class MOZ_NON_TEMPORARY_CLASS SpinEvent final {
public:
SpinEvent();
~SpinEvent() = default;
bool Wait(HANDLE aTargetThread);
void Signal();
SpinEvent(const SpinEvent&) = delete;
SpinEvent(SpinEvent&&) = delete;
SpinEvent& operator=(SpinEvent&&) = delete;
SpinEvent& operator=(const SpinEvent&) = delete;
private:
Atomic<bool, ReleaseAcquire> mDone;
nsAutoHandle mDoneEvent;
static bool InitStatics();
static bool sIsMulticore;
};
} // namespace mscom
} // namespace mozilla
#endif // mozilla_mscom_SpinEvent_h
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