gecko-dev/mozglue/build/MozglueUtils.h

55 строки
1.5 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_glue_MozglueUtils_h
#define mozilla_glue_MozglueUtils_h
#include <windows.h>
#include "mozilla/Attributes.h"
namespace mozilla {
namespace glue {
class MOZ_RAII AutoSharedLock final {
public:
explicit AutoSharedLock(SRWLOCK& aLock) : mLock(aLock) {
::AcquireSRWLockShared(&aLock);
}
~AutoSharedLock() { ::ReleaseSRWLockShared(&mLock); }
AutoSharedLock(const AutoSharedLock&) = delete;
AutoSharedLock(AutoSharedLock&&) = delete;
AutoSharedLock& operator=(const AutoSharedLock&) = delete;
AutoSharedLock& operator=(AutoSharedLock&&) = delete;
private:
SRWLOCK& mLock;
};
class MOZ_RAII AutoExclusiveLock final {
public:
explicit AutoExclusiveLock(SRWLOCK& aLock) : mLock(aLock) {
::AcquireSRWLockExclusive(&aLock);
}
~AutoExclusiveLock() { ::ReleaseSRWLockExclusive(&mLock); }
AutoExclusiveLock(const AutoExclusiveLock&) = delete;
AutoExclusiveLock(AutoExclusiveLock&&) = delete;
AutoExclusiveLock& operator=(const AutoExclusiveLock&) = delete;
AutoExclusiveLock& operator=(AutoExclusiveLock&&) = delete;
private:
SRWLOCK& mLock;
};
} // namespace glue
} // namespace mozilla
#endif // mozilla_glue_MozglueUtils_h