unleashed-firmware/furi/core/semaphore.h

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/**
* @file semaphore.h
* FuriSemaphore
*/
#pragma once
#include "base.h"
#include "thread.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef void FuriSemaphore;
/** Allocate semaphore
*
* @param[in] max_count The maximum count
* @param[in] initial_count The initial count
*
* @return pointer to FuriSemaphore instance
*/
FuriSemaphore* furi_semaphore_alloc(uint32_t max_count, uint32_t initial_count);
/** Free semaphore
*
* @param instance The pointer to FuriSemaphore instance
*/
void furi_semaphore_free(FuriSemaphore* instance);
/** Acquire semaphore
*
* @param instance The pointer to FuriSemaphore instance
* @param[in] timeout The timeout
*
* @return The furi status.
*/
FuriStatus furi_semaphore_acquire(FuriSemaphore* instance, uint32_t timeout);
/** Release semaphore
*
* @param instance The pointer to FuriSemaphore instance
*
* @return The furi status.
*/
FuriStatus furi_semaphore_release(FuriSemaphore* instance);
/** Get semaphore count
*
* @param instance The pointer to FuriSemaphore instance
*
* @return Semaphore count
*/
uint32_t furi_semaphore_get_count(FuriSemaphore* instance);
#ifdef __cplusplus
}
#endif