mirror of https://github.com/ArduPilot/ardupilot
21 lines
530 B
C++
21 lines
530 B
C++
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#ifndef __AP_HAL_SEMAPHORE_H__
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#define __AP_HAL_SEMAPHORE_H__
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#include <AP_HAL_Namespace.h>
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class AP_HAL::Semaphore {
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public:
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// get - to claim ownership of the semaphore
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virtual bool get(void* caller) = 0;
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// release - to give up ownership of the semaphore
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virtual bool release(void* caller) = 0;
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// call_on_release - returns true if caller successfully added to the
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// queue to be called back
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virtual bool call_on_release(void* caller, AP_HAL::Proc k) = 0;
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};
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#endif // __AP_HAL_SEMAPHORE_H__
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