Function esp_idf_sys::uxQueueMessagesWaiting

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

@cond !DOC_EXCLUDE_HEADER_SECTION queue. h @code{c} UBaseType_t uxQueueMessagesWaiting( const QueueHandle_t xQueue ); @endcode @endcond

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.

@cond !DOC_SINGLE_GROUP \defgroup uxQueueMessagesWaiting uxQueueMessagesWaiting @endcond \ingroup QueueManagement