#ifndef __THREADED_QUEUE_H__
#define __THREADED_QUEUE_H__
#include <pthread.h>
#include <queue>
template<class T>
class ThreadedQueue : public std::queue<T>
{
private:
pthread_mutex_t queueMutex;
pthread_cond_t queueCond;
public:
ThreadedQueue()
{
pthread_mutexattr_t mutexAttrs;
pthread_condattr_t condAttrs;
pthread_mutexattr_init(&mutexAttrs);
pthread_mutexattr_settype(&mutexAttrs, PTHREAD_MUTEX_ERRORCHECK);
pthread_mutex_init(&queueMutex, &mutexAttrs);
pthread_mutexattr_destroy(&mutexAttrs);
pthread_condattr_init(&condAttrs);
pthread_condattr_setpshared(&condAttrs, PTHREAD_PROCESS_PRIVATE);
pthread_cond_init(&queueCond, &condAttrs);
pthread_condattr_destroy(&condAttrs);
}
~ThreadedQueue()
{
pthread_cond_destroy(&queueCond);
pthread_mutex_destroy(&queueMutex);
}
void waitItems()
{
pthread_mutex_lock(&queueMutex);
pthread_cond_wait(&queueCond, &queueMutex);
pthread_mutex_unlock(&queueMutex);
}
void signalItems()
{
pthread_mutex_lock(&queueMutex);
pthread_cond_broadcast(&queueCond);
pthread_mutex_unlock(&queueMutex);
}
void push(T item)
{
std::queue<T>::push(item);
signalItems();
}
};
#endif