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* hurd/hurdsig.c (_hurd_internal_post_signal): Ignore preempter

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elts with null handlers.
This commit is contained in:
Roland McGrath
1995-02-22 23:11:54 +00:00
parent 50843ff068
commit 0677a80cdf
2 changed files with 4 additions and 1 deletions
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2
hurd/hurdsig.c
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@ -472,7 +472,7 @@ _hurd_internal_post_signal (struct hurd_sigstate *ss,
can arrive during critical sections. */
__mutex_lock (&_hurd_signal_preempt_lock);
for (pe = _hurd_signal_preempt[signo]; pe != NULL; pe = pe->next)
if (sigcode >= pe->first && sigcode <= pe->last)
if (pe->handler && sigcode >= pe->first && sigcode <= pe->last)
{
preempt = pe->handler;
break;