ardupilot/libraries/AP_HAL_Linux/Semaphores.h

20 lines
345 B
C++

#pragma once
#include <pthread.h>
#include <AP_HAL/AP_HAL_Boards.h>
#include "AP_HAL_Linux.h"
class Linux::Semaphore : public AP_HAL::Semaphore {
public:
Semaphore() {
pthread_mutex_init(&_lock, NULL);
}
bool give();
bool take(uint32_t timeout_ms);
bool take_nonblocking();
private:
pthread_mutex_t _lock;
};