You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
21 lines
0 B
21 lines
0 B
13 years ago
|
|
||
|
|
#ifndef __AP_HAL_SEMAPHORE_H__
|
||
|
|
#define __AP_HAL_SEMAPHORE_H__
|
||
|
|
|
||
|
|
#include <AP_HAL_Namespace.h>
|
||
|
|
|
||
|
|
class AP_HAL::Semaphore {
|
||
|
|
public:
|
||
|
|
// get - to claim ownership of the semaphore
|
||
|
|
virtual bool get(void* caller) = 0;
|
||
|
|
|
||
|
|
// release - to give up ownership of the semaphore
|
||
|
|
virtual bool release(void* caller) = 0;
|
||
|
|
|
||
|
|
// call_on_release - returns true if caller successfully added to the
|
||
|
|
// queue to be called back
|
||
|
|
virtual bool call_on_release(void* caller, AP_HAL::Proc k) = 0;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif // __AP_HAL_SEMAPHORE_H__
|