svn commit: r206397 - head/crypto/openssh

[Konstantin Belousov]

Author: kib
Date: Thu Apr  8 12:07:40 2010
New Revision: 206397
URL: http://svn.freebsd.org/changeset/base/206397

Log:
  Enhance r199804 by marking the daemonised child as immune to OOM instead
  of short-living parent. Only mark the master process that accepts
  connections, do not protect connection handlers spawned from inetd.
  
  Submitted by:	Mykola Dzham <i levsha me>
  Reviewed by:	attilio
  MFC after:	1 week

Modified:
  head/crypto/openssh/sshd.c

Modified: head/crypto/openssh/sshd.c
==============================================================================
--- head/crypto/openssh/sshd.c	Thu Apr  8 09:01:20 2010	(r206396)
+++ head/crypto/openssh/sshd.c	Thu Apr  8 12:07:40 2010	(r206397)
@@ -1330,10 +1330,6 @@ main(int ac, char **av)
 	/* Initialize configuration options to their default values. */
 	initialize_server_options(&options);
 
-	/* Avoid killing the process in high-pressure swapping environments. */
-	if (madvise(NULL, 0, MADV_PROTECT) != 0)
-		debug("madvise(): %.200s", strerror(errno));
-
 	/* Parse command-line arguments. */
 	while ((opt = getopt(ac, av, "f:p:b:k:h:g:u:o:C:dDeiqrtQRT46")) != -1) {
 		switch (opt) {
@@ -1749,6 +1745,10 @@ main(int ac, char **av)
 	/* Reinitialize the log (because of the fork above). */
 	log_init(__progname, options.log_level, options.log_facility, log_stderr);
 
+	/* Avoid killing the process in high-pressure swapping environments. */
+	if (!inetd_flag && madvise(NULL, 0, MADV_PROTECT) != 0)
+		debug("madvise(): %.200s", strerror(errno));
+
 	/* Initialize the random number generator. */
 	arc4random_stir();