зеркало из https://github.com/mozilla/gecko-dev.git
50 строки
881 B
C++
50 строки
881 B
C++
/* 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef RWLOCK_AUTO_ENTER_H
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#define RWLOCK_AUTO_ENTER_H
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#include "prrwlock.h"
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#include "mozilla/Assertions.h"
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class RwLockAutoEnterRead
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{
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public:
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RwLockAutoEnterRead(PRRWLock* aRwLock)
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: mRwLock(aRwLock)
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{
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MOZ_ASSERT(mRwLock);
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PR_RWLock_Rlock(mRwLock);
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}
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~RwLockAutoEnterRead()
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{
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PR_RWLock_Unlock(mRwLock);
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}
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protected:
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PRRWLock* mRwLock;
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};
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class RwLockAutoEnterWrite
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{
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public:
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RwLockAutoEnterWrite(PRRWLock* aRwLock)
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: mRwLock(aRwLock)
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{
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MOZ_ASSERT(mRwLock);
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PR_RWLock_Wlock(mRwLock);
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}
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~RwLockAutoEnterWrite()
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{
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PR_RWLock_Unlock(mRwLock);
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}
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protected:
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PRRWLock* mRwLock;
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};
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#endif // RWLOCK_AUTO_ENTER_H
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