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#pragma once
#include <queue>
#include <pthread.h>
namespace Balau {
template<class T>
class Queue;
class Lock {
public:
Lock();
~Lock() { pthread_mutex_destroy(&m_lock); }
void enter() { pthread_mutex_lock(&m_lock); }
void leave() { pthread_mutex_unlock(&m_lock); }
private:
pthread_mutex_t m_lock;
template<class T>
friend class Queue;
};
class ThreadHelper;
class Thread {
public:
virtual ~Thread();
void threadStart();
void * join();
protected:
Thread() : m_joined(false) { }
virtual void * proc() = 0;
private:
pthread_t m_thread;
bool m_joined;
friend class ThreadHelper;
};
template<class T>
class Queue {
public:
Queue() { pthread_cond_init(&m_cond, NULL); }
~Queue() { while (size()) pop(); pthread_cond_destroy(&m_cond); }
void push(T & t) {
m_lock.enter();
m_queue.push(t);
pthread_cond_signal(&m_cond);
m_lock.leave();
}
T pop() {
m_lock.enter();
if (m_queue.size() == 0)
pthread_cond_wait(&m_cond, &m_lock.m_lock);
T t = m_queue.front();
m_queue.pop();
m_lock.leave();
return t;
}
int size() {
int r;
m_lock.enter();
r = m_queue.size();
m_lock.leave();
return r;
}
private:
std::queue<T> m_queue;
Lock m_lock;
pthread_cond_t m_cond;
};
};
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