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Show First 20 Lines • Show All 1,541 Lines • ▼ Show 20 Lines	kern_sigsuspend(struct thread *td, sigset_t mask)
/*		/*
* Process signals now. Otherwise, we can get spurious wakeup		* Process signals now. Otherwise, we can get spurious wakeup
* due to signal entered process queue, but delivered to other		* due to signal entered process queue, but delivered to other
* thread. But sigsuspend should return only on signal		* thread. But sigsuspend should return only on signal
* delivery.		* delivery.
*/		*/
(p->p_sysent->sv_set_syscall_retval)(td, EINTR);		(p->p_sysent->sv_set_syscall_retval)(td, EINTR);
for (has_sig = 0; !has_sig;) {		for (has_sig = 0; !has_sig;) {
while (msleep(&p->p_sigacts, &p->p_mtx, PPAUSE\|PCATCH, "pause",		while (msleep(&p->p_sigacts, &p->p_mtx, PPAUSE\|PCATCH\|PUSERW,
0) == 0)		"pause", 0) == 0)
/* void */;		/* void */;
thread_suspend_check(0);		thread_suspend_check(0);
mtx_lock(&p->p_sigacts->ps_mtx);		mtx_lock(&p->p_sigacts->ps_mtx);
while ((sig = cursig(td)) != 0) {		while ((sig = cursig(td)) != 0) {
KASSERT(sig >= 0, ("sig %d", sig));		KASSERT(sig >= 0, ("sig %d", sig));
has_sig += postsig(sig);		has_sig += postsig(sig);
}		}
mtx_unlock(&p->p_sigacts->ps_mtx);		mtx_unlock(&p->p_sigacts->ps_mtx);
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