Function sleepq_check_signals

freebsd/kern/subr_sleepqueue.c:636–646

* Check to see if we were awoken by a signal. */

 * Check to see if we were awoken by a signal.
 */
static inline int
sleepq_check_signals(void)
{
	struct thread *td;

	td = curthread;
	KASSERT((td->td_flags & TDF_SINTR) == 0,
	    ("thread %p still in interruptible sleep?", td));

	return (td->td_intrval);
}

/*
 * Block the current thread until it is awakened from its sleep queue.