acl/lib_acl_cpp/include/acl_cpp/stdlib/thread_mutex.hpp

71 lines
1.4 KiB
C++

#pragma once
#include "../acl_cpp_define.hpp"
#include "noncopyable.hpp"
#if !defined(_WIN32) && !defined(_WIN64)
# include <pthread.h>
# ifndef acl_pthread_mutex_t
# define acl_pthread_mutex_t pthread_mutex_t
# endif
#else
struct acl_pthread_mutex_t;
#endif
namespace acl {
/**
* 线程互斥锁
*/
class ACL_CPP_API thread_mutex : public noncopyable
{
public:
/**
* 构造方法
* @param recursive {bool} 是否启用递归锁方式
*/
thread_mutex(bool recursive = true);
~thread_mutex(void);
/**
* 对线程锁进行加锁,一直到加锁成功或内部失败(一般不会失败,除非是系统问题)
* @return {bool} 返回 false 说明线程锁有问题
*/
bool lock(void);
/**
* 尝试性加锁,无论成功与否都会立即返回
* @return {bool} 返回 true 表示加锁成功,返回 false 表示加锁失败
*/
bool try_lock(void);
/**
* 解线程锁
* @return {bool} 返回 false 表示解锁失败,有可能之前并未加锁成功所致
*/
bool unlock(void);
/**
* 获得 acl 中 C 版本的系统类型的线程锁
* @return {acl_pthread_mutex_t*}
*/
acl_pthread_mutex_t* get_mutex(void) const;
private:
acl_pthread_mutex_t* mutex_;
#if !defined(_WIN32) && !defined(_WIN64)
pthread_mutexattr_t mutex_attr_;
#endif
};
class ACL_CPP_API thread_mutex_guard : public noncopyable
{
public:
thread_mutex_guard(thread_mutex& mutex);
~thread_mutex_guard(void);
private:
thread_mutex& mutex_;
};
} // namespace acl