sshd and SIGKILL

[Jim Knoble]

Circa 2002-09-05 20:55:55 +0300 dixit Roumen.Petrov at skalasoft.com:

: On command:
: #kill -9 `cat /var/run/sshd.pid`
: sshd leave pid file !
: 
: sshd.c code:
: ===============
: ....
: 		/*
: 		 * Arrange to restart on SIGHUP.  The handler needs
: 		 * listen_sock.
: 		 */
: 		signal(SIGHUP, sighup_handler);
: 
: 		signal(SIGTERM, sigterm_handler);
: 		signal(SIGQUIT, sigterm_handler);
: ....
: ===============
: 
: Missing line is :
: 		signal(SIGKILL, sigterm_handler);

Ummm, no.  Under traditional Unix, POSIX, BSD, and SysV, no signal
handler may be set for either SIGKILL or SIGSTOP.

Refer to:

  http://www.mcsr.olemiss.edu/cgi-bin/man-cgi?signal+3
  http://www.mcsr.olemiss.edu/cgi-bin/man-cgi?sigvec+3

-- 
jim knoble  |  jmknoble at pobox.com  |  http://www.pobox.com/~jmknoble/
(GnuPG fingerprint: 31C4:8AAC:F24E:A70C:4000::BBF4:289F:EAA8:1381:1491)
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