Function esp_idf_sys::uxQueueMessagesWaiting

source ยท 
pub unsafe extern "C" fn uxQueueMessagesWaiting(
    xQueue: QueueHandle_t,
) -> UBaseType_t
Expand description

Return the number of messages stored in a queue.

@param xQueue A handle to the queue being queried.

@return The number of messages available in the queue.

\ingroup QueueManagement