mirror of
https://gitee.com/acl-dev/acl.git
synced 2024-12-14 00:40:55 +08:00
87 lines
1.7 KiB
C++
87 lines
1.7 KiB
C++
#pragma once
|
|
#include "acl_cpp/acl_cpp_define.hpp"
|
|
#include <stdlib.h>
|
|
#if !defined(WIN32) && !defined(WIN64)
|
|
#include <pthread.h>
|
|
#endif
|
|
|
|
#if defined(WIN32) || defined(WIN64)
|
|
struct acl_pthread_mutex_t;
|
|
#else
|
|
# ifndef acl_pthread_mutex_t
|
|
# define acl_pthread_mutex_t pthread_mutex_t
|
|
# endif
|
|
#endif
|
|
|
|
namespace acl {
|
|
|
|
/**
|
|
* 互斥锁，可以同时创建文件锁和线程锁，也可以只创建一种锁
|
|
*/
|
|
class ACL_CPP_API locker
|
|
{
|
|
public:
|
|
/**
|
|
* 构造函数
|
|
* @param use_mutex {bool} 是否创建线程锁
|
|
* @param use_spinlock {bool} 内部当使用线程锁时是否需要自旋锁
|
|
*/
|
|
locker(bool use_mutex = true, bool use_spinlock = false);
|
|
virtual ~locker();
|
|
|
|
/**
|
|
* 根据文件路径创建文件锁
|
|
* @param file_path {const char*} 文件路径，非空
|
|
* @return {bool} 是否成功
|
|
* 注：此函数与下面的 open 函数仅能同时调用一个
|
|
*/
|
|
bool open(const char* file_path);
|
|
|
|
/**
|
|
* 根据文件句柄创建文件锁
|
|
* @param fh {int} 文件句柄
|
|
* @return {bool} 是否成功
|
|
*/
|
|
#if defined(WIN32) || defined(WIN64)
|
|
bool open(void* fh);
|
|
#else
|
|
bool open(int fh);
|
|
#endif
|
|
|
|
/**
|
|
* 针对已经打开的锁(包括线程锁和文件锁)进行加锁
|
|
* @return {bool} 加锁是否成功
|
|
*/
|
|
bool lock();
|
|
|
|
/**
|
|
* 尝试对已经打开的锁(包括线程锁和文件锁)进行加锁
|
|
* @return {bool} 加锁是否成功
|
|
*/
|
|
bool try_lock();
|
|
|
|
/**
|
|
* 针对已经打开的锁(包括线程锁和文件锁)进行解锁
|
|
* @return {bool} 解锁是否成功
|
|
*/
|
|
bool unlock();
|
|
|
|
private:
|
|
acl_pthread_mutex_t* mutex_;
|
|
char* pFile_;
|
|
#if defined(WIN32) || defined(WIN64)
|
|
void* fHandle_;
|
|
#else
|
|
int fHandle_;
|
|
pthread_mutexattr_t mutex_attr_;
|
|
# if !defined(MINGW) && !defined(MACOSX)
|
|
pthread_spinlock_t* spinlock_;
|
|
# endif
|
|
#endif
|
|
bool myFHandle_;
|
|
|
|
void init_mutex(bool use_spinlock);
|
|
};
|
|
|
|
} // namespace acl
|