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21 lines
446 B
21 lines
446 B
9 years ago
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#pragma once
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#include <AP_HAL/AP_HAL_Boards.h>
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#if CONFIG_HAL_BOARD == HAL_BOARD_PX4 || CONFIG_HAL_BOARD == HAL_BOARD_VRBRAIN
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#include "AP_HAL_PX4.h"
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#include <pthread.h>
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class PX4::Semaphore : public AP_HAL::Semaphore {
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public:
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Semaphore() {
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pthread_mutex_init(&_lock, NULL);
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}
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bool give();
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bool take(uint32_t timeout_ms);
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bool take_nonblocking();
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private:
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pthread_mutex_t _lock;
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};
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#endif // CONFIG_HAL_BOARD
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