I am running RT linux . /* code snippet */ preempt_disable() ........... sleep(10); '............ preempt_enable() will this sleep() will cause reschedule ?. if an interrupt comes while premption is disabled , how it is handled ?. Thanks, Ratheesh -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html