2012-11-28 21:53:15 -04:00
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2013-01-02 20:27:01 -04:00
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#ifndef __AP_HAL_SEMAPHORES_H__
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#define __AP_HAL_SEMAPHORES_H__
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2012-11-28 21:53:15 -04:00
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#include <AP_HAL_Namespace.h>
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2013-01-04 20:19:15 -04:00
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#define HAL_SEMAPHORE_BLOCK_FOREVER ((uint32_t) 0xFFFFFFFF)
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2012-11-28 21:53:15 -04:00
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2013-01-02 20:27:01 -04:00
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class AP_HAL::Semaphore {
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public:
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virtual bool take(uint32_t timeout_ms) = 0;
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virtual bool take_nonblocking() = 0;
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virtual bool give() = 0;
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2012-11-28 21:53:15 -04:00
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};
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2013-01-02 20:27:01 -04:00
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#endif // __AP_HAL_SEMAPHORES_H__
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