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// vim:sw=2:ai
/*
* Copyright (C) 2010 DeNA Co.,Ltd.. All rights reserved.
* See COPYRIGHT.txt for details.
*/
#ifndef DENA_MUTEX_HPP
#define DENA_MUTEX_HPP
#include <pthread.h>
#include <stdlib.h>
#include "fatal.hpp"
#include "util.hpp"
namespace dena {
struct condition;
struct mutex : private noncopyable {
friend struct condition;
mutex() {
if (pthread_mutex_init(&mtx, 0) != 0) {
fatal_abort("pthread_mutex_init");
}
}
~mutex() {
if (pthread_mutex_destroy(&mtx) != 0) {
fatal_abort("pthread_mutex_destroy");
}
}
void lock() const {
if (pthread_mutex_lock(&mtx) != 0) {
fatal_abort("pthread_mutex_lock");
}
}
void unlock() const {
if (pthread_mutex_unlock(&mtx) != 0) {
fatal_abort("pthread_mutex_unlock");
}
}
private:
mutable pthread_mutex_t mtx;
};
};
#endif