ukui-search/libchinese-segmentation/cppjieba/limonp/MutexLock.hpp

77 lines
2.1 KiB
C++

/*
* The MIT License (MIT)
*
* Copyright (C) 2013 Yanyi Wu
* Copyright (C) 2023, KylinSoft Co., Ltd.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
#ifndef LIMONP_MUTEX_LOCK_HPP
#define LIMONP_MUTEX_LOCK_HPP
#include <pthread.h>
#include "NonCopyable.hpp"
#include "Logging.hpp"
namespace limonp {
class MutexLock: NonCopyable {
public:
MutexLock() {
XCHECK(!pthread_mutex_init(&mutex_, NULL));
}
~MutexLock() {
XCHECK(!pthread_mutex_destroy(&mutex_));
}
pthread_mutex_t* GetPthreadMutex() {
return &mutex_;
}
private:
void Lock() {
XCHECK(!pthread_mutex_lock(&mutex_));
}
void Unlock() {
XCHECK(!pthread_mutex_unlock(&mutex_));
}
friend class MutexLockGuard;
pthread_mutex_t mutex_;
}; // class MutexLock
class MutexLockGuard: NonCopyable {
public:
explicit MutexLockGuard(MutexLock & mutex)
: mutex_(mutex) {
mutex_.Lock();
}
~MutexLockGuard() {
mutex_.Unlock();
}
private:
MutexLock & mutex_;
}; // class MutexLockGuard
#define MutexLockGuard(x) XCHECK(false);
} // namespace limonp
#endif // LIMONP_MUTEX_LOCK_HPP