Function esp_idf_hal::sys::uxQueueMessagesWaiting

source ยท 
pub unsafe extern "C" fn uxQueueMessagesWaiting(
    xQueue: *mut QueueDefinition,
) -> u32
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