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#ifndef BLOCKINGQUEUE_H_4LEVMY0N
#define BLOCKINGQUEUE_H_4LEVMY0N
#include "uscxml/concurrency/tinythread.h"
#include <list>
namespace uscxml {
namespace concurrency {
template <class T>
class BlockingQueue {
public:
BlockingQueue() {}
virtual ~BlockingQueue() {
}
virtual void push(const T& elem) {
tthread::lock_guard<tthread::mutex> lock(_mutex);
_queue.push_back(elem);
_cond.notify_all();
}
virtual void push_front(const T& elem) {
tthread::lock_guard<tthread::mutex> lock(_mutex);
_queue.push_front(elem);
_cond.notify_all();
}
virtual T pop() {
tthread::lock_guard<tthread::mutex> lock(_mutex);
while (_queue.empty()) {
_cond.wait(_mutex);
}
T ret = _queue.front();
_queue.pop_front();
return ret;
}
virtual bool isEmpty() {
tthread::lock_guard<tthread::mutex> lock(_mutex);
return _queue.empty();
}
tthread::mutex _mutex;
tthread::condition_variable _cond;
std::list<T> _queue;
};
}
}
#endif /* end of include guard: BLOCKINGQUEUE_H_4LEVMY0N */
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