/*
* Copyright 2011, Ben Langmead <langmea@cs.jhu.edu>
*
* This file is part of Bowtie 2.
*
* Bowtie 2 is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Bowtie 2 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Bowtie 2. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef THREADING_H_
#define THREADING_H_
#include <iostream>
#include "tinythread.h"
#include "fast_mutex.h"
#ifdef NO_SPINLOCK
# define MUTEX_T tthread::mutex
#else
# define MUTEX_T tthread::fast_mutex
#endif /* NO_SPINLOCK */
/**
* Wrap a lock; obtain lock upon construction, release upon destruction.
*/
class ThreadSafe {
public:
ThreadSafe(MUTEX_T* ptr_mutex, bool locked = true) {
if(locked) {
this->ptr_mutex = ptr_mutex;
ptr_mutex->lock();
}
else
this->ptr_mutex = NULL;
}
~ThreadSafe() {
if (ptr_mutex != NULL)
ptr_mutex->unlock();
}
private:
MUTEX_T *ptr_mutex;
};
#endif