FreeBSD/sys/x86/xen/xen_intr.c
/**
 * Determine whether or not interrupt events are pending on the
 * the given interrupt source.
 *
 * \param isrc  The interrupt source to query.
 *
 * \returns  0 if no events are pending, otherwise non-zero.
 */
Determine whether or not interrupt events are pending on the
the given interrupt source.

\param isrc  The interrupt source to query.

\returns  0 if no events are pending, otherwise non-zero.
Determine whether or not interrupt events are pending on the the given interrupt source . \ param isrc The interrupt source to query . \ returns 0 if no events are pending otherwise non - zero .
static int
xen_intr_source_pending(struct intsrc *isrc)
{
	return (0);
}
static int xen_intr_source_pending ( struct intsrc * isrc ) { return ( 0 ) ; }
Determine whether or not interrupt events are pending on the
 the given interrupt source.
Determine whether or not interrupt events are pending on the the given interrupt source .
/*
	 * EventChannels are edge triggered and never masked.
	 * There can be no pending events.
	 */