|
#pragma once
|
|
|
|
#include "AP_HAL_Namespace.h"
|
|
|
|
#define HAL_SEMAPHORE_BLOCK_FOREVER ((uint32_t) 0xFFFFFFFF)
|
|
|
|
class AP_HAL::Semaphore {
|
|
public:
|
|
virtual bool take(uint32_t timeout_ms) WARN_IF_UNUSED = 0 ;
|
|
virtual bool take_nonblocking() WARN_IF_UNUSED = 0;
|
|
virtual bool give() = 0;
|
|
};
|