/*
* Copyright ( C ) 2008 The Android Open Source Project
* All rights reserved .
*
* Redistribution and use in source and binary forms , with or without
* modification , are permitted provided that the following conditions
* are met :
* * Redistributions of source code must retain the above copyright
* notice , this list of conditions and the following disclaimer .
* * Redistributions in binary form must reproduce the above copyright
* notice , this list of conditions and the following disclaimer in
* the documentation and / or other materials provided with the
* distribution .
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* " AS IS " AND ANY EXPRESS OR IMPLIED WARRANTIES , INCLUDING , BUT NOT
* LIMITED TO , THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED . IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT , INDIRECT ,
* INCIDENTAL , SPECIAL , EXEMPLARY , OR CONSEQUENTIAL DAMAGES ( INCLUDING ,
* BUT NOT LIMITED TO , PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES ; LOSS
* OF USE , DATA , OR PROFITS ; OR BUSINESS INTERRUPTION ) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY , WHETHER IN CONTRACT , STRICT LIABILITY ,
* OR TORT ( INCLUDING NEGLIGENCE OR OTHERWISE ) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE , EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE .
*/
#pragma once
#include <sys/cdefs.h>
#include <pthread.h>
#include "platform/bionic/macros.h"
template <bool write> class ScopedRWLock {
public :
explicit ScopedRWLock(pthread_rwlock_t* rwlock) : rwlock_(rwlock) {
(write ? pthread_rwlock_wrlock : pthread_rwlock_rdlock)(rwlock_);
}
~ScopedRWLock() {
pthread_rwlock_unlock(rwlock_);
}
private :
pthread_rwlock_t* rwlock_;
BIONIC_DISALLOW_IMPLICIT_CONSTRUCTORS(ScopedRWLock);
};
typedef ScopedRWLock<true > ScopedWriteLock;
typedef ScopedRWLock<false > ScopedReadLock;
Messung V0.5 in Prozent C=98 H=93 G=95
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-06-28)
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