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#ifndef __AP_HAL_LINUX_SEMAPHORE_H__
#define __AP_HAL_LINUX_SEMAPHORE_H__
#include <AP_HAL_Boards.h>
#if CONFIG_HAL_BOARD == HAL_BOARD_LINUX
#include <AP_HAL_Linux.h>
#include <pthread.h>
class Linux::LinuxSemaphore : public AP_HAL::Semaphore {
public:
LinuxSemaphore() {
pthread_mutex_init(&_lock, NULL);
}
bool give();
bool take(uint32_t timeout_ms);
bool take_nonblocking();
private:
pthread_mutex_t _lock;
};
#endif // CONFIG_HAL_BOARD
#endif // __AP_HAL_LINUX_SEMAPHORE_H__