mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-08 20:47:44 +00:00
50 lines
899 B
C++
50 lines
899 B
C++
/* 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 RWLOCK_AUTO_ENTER_H
|
|
#define RWLOCK_AUTO_ENTER_H
|
|
|
|
#include "prrwlock.h"
|
|
#include "mozilla/Assertions.h"
|
|
|
|
class RwLockAutoEnterRead
|
|
{
|
|
public:
|
|
explicit RwLockAutoEnterRead(PRRWLock* aRwLock)
|
|
: mRwLock(aRwLock)
|
|
{
|
|
MOZ_ASSERT(mRwLock);
|
|
PR_RWLock_Rlock(mRwLock);
|
|
}
|
|
|
|
~RwLockAutoEnterRead()
|
|
{
|
|
PR_RWLock_Unlock(mRwLock);
|
|
}
|
|
|
|
protected:
|
|
PRRWLock* mRwLock;
|
|
};
|
|
|
|
class RwLockAutoEnterWrite
|
|
{
|
|
public:
|
|
explicit RwLockAutoEnterWrite(PRRWLock* aRwLock)
|
|
: mRwLock(aRwLock)
|
|
{
|
|
MOZ_ASSERT(mRwLock);
|
|
PR_RWLock_Wlock(mRwLock);
|
|
}
|
|
|
|
~RwLockAutoEnterWrite()
|
|
{
|
|
PR_RWLock_Unlock(mRwLock);
|
|
}
|
|
|
|
protected:
|
|
PRRWLock* mRwLock;
|
|
};
|
|
|
|
#endif // RWLOCK_AUTO_ENTER_H
|