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KernelinsideSemaphore and Mutexes

Updated Jun 2025

uxSemaphoreGetCount

[Semaphores]

semphr. h

1UBaseType_t uxSemaphoreGetCount( SemaphoreHandle_t xSemaphore );

Returns the count of a semaphore.

Parameters:

  • xSemaphore

    The handle of the semaphore being queried.

Returns:

If the semaphore is a counting semaphore then the semaphores current count value is returned. If the semaphore is a binary semaphore then 1 is returned if the semaphore is available, and 0 is returned if the semaphore is not available.