91 lines
1.9 KiB
C++
91 lines
1.9 KiB
C++
#ifndef _sys_Mutex_h
|
|
#define _sys_Mutex_h
|
|
|
|
/*
|
|
*
|
|
* Copyright (c) 2006 The Apache Software Foundation
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*
|
|
*/
|
|
|
|
namespace qpid {
|
|
namespace sys {
|
|
|
|
/**
|
|
* Scoped lock template: calls lock() in ctor, unlock() in dtor.
|
|
* L can be any class with lock() and unlock() functions.
|
|
*/
|
|
template <class L>
|
|
class ScopedLock
|
|
{
|
|
public:
|
|
ScopedLock(L& l) : mutex(l) { l.lock(); }
|
|
~ScopedLock() { mutex.unlock(); }
|
|
private:
|
|
L& mutex;
|
|
};
|
|
|
|
template <class L>
|
|
class ScopedUnlock
|
|
{
|
|
public:
|
|
ScopedUnlock(L& l) : mutex(l) { l.unlock(); }
|
|
~ScopedUnlock() { mutex.lock(); }
|
|
private:
|
|
L& mutex;
|
|
};
|
|
|
|
template <class L>
|
|
class ScopedRlock
|
|
{
|
|
public:
|
|
ScopedRlock(L& l) : mutex(l) { l.rlock(); }
|
|
~ScopedRlock() { mutex.unlock(); }
|
|
private:
|
|
L& mutex;
|
|
};
|
|
|
|
template <class L>
|
|
class ScopedWlock
|
|
{
|
|
public:
|
|
ScopedWlock(L& l) : mutex(l) { l.wlock(); }
|
|
~ScopedWlock() { mutex.unlock(); }
|
|
private:
|
|
L& mutex;
|
|
};
|
|
|
|
template <class L>
|
|
class ConditionalScopedLock
|
|
{
|
|
public:
|
|
ConditionalScopedLock(L& l) : mutex(l) { acquired = l.trylock(); }
|
|
~ConditionalScopedLock() { if (acquired) mutex.unlock(); }
|
|
bool lockAcquired() { return acquired; }
|
|
private:
|
|
L& mutex;
|
|
bool acquired;
|
|
};
|
|
|
|
}}
|
|
|
|
#ifdef USE_APR_PLATFORM
|
|
#include "apr/Mutex.h"
|
|
#elif defined (_WIN32)
|
|
#include "windows/Mutex.h"
|
|
#else
|
|
#include "posix/Mutex.h"
|
|
#endif
|
|
|
|
#endif /*!_sys_Mutex_h*/
|