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Code Issues Releases Activity

Don't use non-signal-safe functions (exit(3) in this case) in

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signal handlers.  In this case, use _exit(2) instead, following
the call to shutdown(2).

This fixes rare telnetd hangs.

PR:		misc/33672
Submitted by:	Umesh Krishnaswamy <umesh@juniper.net>
MFC after:	1 month
This commit is contained in:
Sheldon Hearn 2002-02-05 15:20:02 +00:00
parent cc9f4eb939
commit fa3e900453
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=90242
3 changed files with 3 additions and 3 deletions
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2
contrib/telnet/telnetd/sys_term.c
View File

@ -1327,5 +1327,5 @@ cleanup(int sig __unused)
(void)chmod(line, 0666);
(void)chown(line, 0, 0);
(void) shutdown(net, 2);
exit(1);
_exit(1);
}

2
crypto/telnet/telnetd/sys_term.c
View File

@ -1327,5 +1327,5 @@ cleanup(int sig __unused)
(void)chmod(line, 0666);
(void)chown(line, 0, 0);
(void) shutdown(net, 2);
exit(1);
_exit(1);
}

2
libexec/telnetd/sys_term.c
View File

@ -1180,5 +1180,5 @@ cleanup(int sig __unused)
(void)chmod(line, 0666);
(void)chown(line, 0, 0);
(void) shutdown(net, 2);
exit(1);
_exit(1);
}