/
locker.h
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/
locker.h
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//
// Created by lixutong on 20-5-9.
//
#ifndef THREADPOOL_SVR_LOCKER_H
#define THREADPOOL_SVR_LOCKER_H
#include <exception>
#include <pthread.h>
#include <semaphore.h>
namespace threadpoolsvr {
/* class of semaphore */
class sem {
public:
sem() {
if (sem_init(&m_sem, 0, 0) != 0) {
throw std::exception();
}
}
~sem() {
sem_destroy(&m_sem);
}
bool wait() {
return sem_wait(&m_sem) == 0;
}
bool post() {
return sem_post(&m_sem) == 0;
}
private:
sem_t m_sem;
};
/* class of mutex */
class locker {
public:
locker() {
if (pthread_mutex_init(&m_mutex, nullptr) != 0) {
throw std::exception();
}
}
~locker() {
pthread_mutex_destroy(&m_mutex);
}
bool lock() {
return pthread_mutex_lock(&m_mutex) == 0;
}
bool unlock() {
return pthread_mutex_unlock(&m_mutex) == 0;
}
private:
pthread_mutex_t m_mutex;
};
} // namespace threadpoolsvr
#endif //THREADPOOL_SVR_LOCKER_H