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wqueue.h
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wqueue.h
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#ifndef __wqueue_h__
#define __wqueue_h__
#include <pthread.h>
#include <list>
using namespace std;
template <typename T> class wqueue
{
list<T> queue_;
pthread_mutex_t mutex_;
pthread_cond_t condv_;
public:
wqueue() {
pthread_mutex_init(&mutex_, NULL);
pthread_cond_init(&condv_, NULL);
}
~wqueue() {
pthread_mutex_destroy(&mutex_);
pthread_cond_destroy(&condv_);
}
void add(T item) {
pthread_mutex_lock(&mutex_);
queue_.push_back(item);
pthread_cond_signal(&condv_);
pthread_mutex_unlock(&mutex_);
}
T remove() {
pthread_mutex_lock(&mutex_);
while (queue_.size() == 0) {
pthread_cond_wait(&condv_, &mutex_);
}
T item = queue_.front();
queue_.pop_front();
pthread_mutex_unlock(&mutex_);
return item;
}
int size() {
pthread_mutex_lock(&mutex_);
int size = queue_.size();
pthread_mutex_unlock(&mutex_);
return size;
}
};
#endif