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Save errno in signal handler

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Obtained from:	OpenBSD
MFC After:	1 week
This commit is contained in:
Kris Kennaway 2001-07-24 05:41:13 +00:00
parent 961ba1e562
commit 5007eafa5e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=80248
1 changed files with 2 additions and 0 deletions
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2
libexec/talkd/talkd.c
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@ -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;
}