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#ifndef _management_Mutex_h
#define _management_Mutex_h
/*
*
* Copyright (c) 2008 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.
*
*/
#include "qpid/CommonImportExport.h"
namespace qpid {
namespace sys {
class Mutex;
}
namespace management {
/**
* Scoped lock template: calls lock() in ctor, unlock() in dtor.
* L can be any class with lock() and unlock() functions.
*/
template <class L> class ScopedLockTemplate {
public:
ScopedLockTemplate(L& l) : mutex(l) { mutex.lock(); }
~ScopedLockTemplate() { mutex.unlock(); }
private:
L& mutex;
};
template <class L> class ScopedUnlockTemplate {
public:
ScopedUnlockTemplate(L& l) : mutex(l) { mutex.unlock(); }
~ScopedUnlockTemplate() { mutex.lock(); }
private:
L& mutex;
};
class Mutex {
public:
typedef ScopedLockTemplate<Mutex> ScopedLock;
typedef ScopedUnlockTemplate<Mutex> ScopedUnlock;
QPID_COMMON_EXTERN Mutex();
QPID_COMMON_EXTERN ~Mutex();
QPID_COMMON_EXTERN void lock();
QPID_COMMON_EXTERN void unlock();
private:
sys::Mutex* impl;
};
}
}
#endif
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