[−][src]Function esp_idf_sys::uxQueueSpacesAvailable
pub unsafe extern "C" fn uxQueueSpacesAvailable(
xQueue: QueueHandle_t
) -> UBaseType_t
Return the number of free spaces available in a queue. This is equal to the number of items that can be sent to the queue before the queue becomes full if no items are removed.
@param xQueue A handle to the queue being queried.
@return The number of spaces available in the queue.
\ingroup QueueManagement