Save errno in signal handler

Obtained from: OpenBSD MFC After: 1 week
2001-07-24 05:41:13 +00:00 · 2001-07-24 05:41:13 +00:00 · e2364a508f
commit e2364a508f
parent b4254a32fe
1 changed files with 2 additions and 0 deletions
--- a/libexec/talkd/talkd.c
+++ b/libexec/talkd/talkd.c
@ -132,8 +132,10 @@ main(argc, argv)
 void
 timeout()
 {
+	int save_errno = errno;

 	if (time(0) - lastmsgtime >= MAXIDLE)
 		_exit(0);
 	alarm(TIMEOUT);
+	errno = save_errno;
 }