acl/lib_fiber/cpp/include/fiber/fiber_mutex.hpp

#pragma once
#include <vector>
#include "fiber_cpp_define.hpp"
#include "fiber_mutex_stat.hpp"

struct ACL_FIBER_MUTEX;

namespace acl {

/**
 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬһ<EFBFBD>߳<EFBFBD><EFBFBD>ڵ<EFBFBD>Э<EFBFBD><EFBFBD>֮<EFBFBD><EFBFBD><EFBFBD>Լ<EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD>߳<EFBFBD>֮<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Э<EFBFBD><EFBFBD>֮<EFBFBD><EFBFBD><EFBFBD>Ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, ͬʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * <EFBFBD>߳<EFBFBD>֮<EFBFBD><EFBFBD><EFBFBD>Լ<EFBFBD>Э<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߳<EFBFBD>֮<EFBFBD><EFBFBD><EFBFBD>Ļ<EFBFBD><EFBFBD><EFBFBD>.
 */
class FIBER_CPP_API fiber_mutex {
public:
	/**
	 * <EFBFBD><EFBFBD><EFBFBD>캯<EFBFBD><EFBFBD>
	 * @param mutex {ACL_FIBER_MUTEX*} <EFBFBD>ǿ<EFBFBD>ʱ,<EFBFBD><EFBFBD><EFBFBD><EFBFBD> C <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>󴴽<EFBFBD> C++ <EFBFBD><EFBFBD>
	 *  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD>Զ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǿ<EFBFBD>ʱ,<EFBFBD>ڱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD>ô<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 *  C <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>ò<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD>.
	 */
	fiber_mutex(ACL_FIBER_MUTEX* mutex = NULL);
	~fiber_mutex(void);

	/**
	 * <EFBFBD>ȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD> true <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 */
	bool lock(void);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD>Եȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD> true <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڱ<EFBFBD>ռ<EFBFBD><EFBFBD>
	 */
	bool trylock(void);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֪ͨ<EFBFBD>ȴ<EFBFBD><EFBFBD><EFBFBD>
	 * @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD> true <EFBFBD><EFBFBD>ʾ֪ͨ<EFBFBD>ɹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 */
	bool unlock(void);

public:
	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD> C <EFBFBD>汾<EFBFBD>Ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return {ACL_FIBER_MUTEX*}
	 */
	ACL_FIBER_MUTEX* get_mutex(void) const {
		return mutex_;
	}

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param out {fiber_mutex_stats&} <EFBFBD>洢<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD> true <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> out <EFBFBD><EFBFBD>
	 */
	static bool deadlock(fiber_mutex_stats& out);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>н<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬<EFBFBD><EFBFBD>Э<EFBFBD><EFBFBD>ջ<EFBFBD><EFBFBD>ӡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>׼<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 */
	static void deadlock_show(void);

private:
	ACL_FIBER_MUTEX* mutex_;
	ACL_FIBER_MUTEX* mutex_internal_;

	fiber_mutex(const fiber_mutex&);
	void operator=(const fiber_mutex&);
};

class FIBER_CPP_API fiber_mutex_guard {
public:
	fiber_mutex_guard(fiber_mutex& mutex) : mutex_(mutex) {
		mutex_.lock();
	}

	~fiber_mutex_guard(void) {
		mutex_.unlock();
	}

private:
	fiber_mutex& mutex_;

};

} // namespace acl