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/*
Copyright (C) 2006 Grame
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Grame Research Laboratory, 9 rue du Garet, 69001 Lyon - France
grame@grame.fr
*/
#ifndef __JackMutex__
#define __JackMutex__
#ifdef WIN32
#include <windows.h>
#else
#include <pthread.h>
#endif
#include<assert.h>
namespace Jack
{
class JackMutex
{
private:
#ifdef WIN32
HANDLE fMutex;
#else
pthread_mutex_t fMutex;
#endif
public:
#ifdef WIN32
JackMutex()
{
fMutex = CreateMutex(0, FALSE, 0);
}
virtual ~JackMutex()
{
CloseHandle(fMutex);
}
void Lock()
{
DWORD dwWaitResult = WaitForSingleObject(fMutex, INFINITE);
}
void Unlock()
{
ReleaseMutex(fMutex);
}
#else
JackMutex()
{
// Use recursive mutex
pthread_mutexattr_t mutex_attr;
assert(pthread_mutexattr_init(&mutex_attr) == 0);
assert(pthread_mutexattr_settype(&mutex_attr, PTHREAD_MUTEX_RECURSIVE) == 0);
assert(pthread_mutex_init(&fMutex, &mutex_attr) == 0);
}
virtual ~JackMutex()
{
pthread_mutex_destroy(&fMutex);
}
void Lock()
{
pthread_mutex_lock(&fMutex);
}
void Unlock()
{
pthread_mutex_unlock(&fMutex);
}
#endif
};
class JackLockAble
{
private:
JackMutex fMutex;
public:
JackLockAble() {}
virtual ~JackLockAble() {}
void Lock()
{
fMutex.Lock();
}
void Unlock()
{
fMutex.Unlock();
}
};
class JackLock
{
private:
JackLockAble* fObj;
public:
JackLock(JackLockAble* obj):fObj(obj)
{
fObj->Lock();
}
JackLock(const JackLockAble* obj):fObj((JackLockAble*)obj)
{
fObj->Lock();
}
virtual ~JackLock()
{
fObj->Unlock();
}
};
} // namespace
#endif
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