ardupilot/libraries/AP_HAL_Empty/Semaphores.cpp
Lucas De Marchi 2ffb08b9ca AP_HAL_Empty: remove prefix from classes
Like was done for AP_HAL_Linux in 2ac96b9 ("AP_HAL_Linux: remove prefix
from AP_HAL_Linux classes"), remove the "Empty" prefix from class names
since we are already inside the Empty namespace.
2015-12-08 11:12:14 +11:00

28 lines
470 B
C++

#include "Semaphores.h"
using namespace Empty;
bool Semaphore::give() {
if (_taken) {
_taken = false;
return true;
} else {
return false;
}
}
bool Semaphore::take(uint32_t timeout_ms) {
return take_nonblocking();
}
bool Semaphore::take_nonblocking() {
/* No syncronisation primitives to garuntee this is correct */
if (!_taken) {
_taken = true;
return true;
} else {
return false;
}
}