- (dtucker) [platform.c platform.h sshd.c] bz#2156: restore Linux oom_adj

   setting when handling SIGHUP to maintain behaviour over retart.  Patch
   from Matthew Ife.

4 files changed, 17 insertions, 2 deletions

diff --git a/ChangeLog b/ChangeLog
index df8249779..c7a7146fd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+20130922
+ - (dtucker) [platform.c platform.h sshd.c] bz#2156: restore Linux oom_adj
+   setting when handling SIGHUP to maintain behaviour over retart.  Patch
+   from Matthew Ife.
+
 20130918
  - (dtucker) [sshd_config] Trailing whitespace; from jstjohn at purdue edu.
 
diff --git a/platform.c b/platform.c
index 3262b2478..6d896c229 100644
--- a/platform.c
+++ b/platform.c
@@ -1,4 +1,4 @@
-/* $Id: platform.c,v 1.19 2013/03/12 00:31:05 dtucker Exp $ */
+/* $Id: platform.c,v 1.20 2013/09/22 09:02:40 dtucker Exp $ */
 
 /*
  * Copyright (c) 2006 Darren Tucker.  All rights reserved.
@@ -55,6 +55,14 @@ platform_pre_fork(void)
 }
 
 void
+platform_pre_restart(void)
+{
+#ifdef LINUX_OOM_ADJUST
+        oom_adjust_restore();
+#endif
+}
+
+void
 platform_post_fork_parent(pid_t child_pid)
 {
 #ifdef USE_SOLARIS_PROCESS_CONTRACTS
diff --git a/platform.h b/platform.h
index 19f6bfdd3..1c7a45d8f 100644
--- a/platform.h
+++ b/platform.h
@@ -1,4 +1,4 @@
-/* $Id: platform.h,v 1.8 2013/03/12 00:31:05 dtucker Exp $ */
+/* $Id: platform.h,v 1.9 2013/09/22 09:02:40 dtucker Exp $ */
 
 /*
  * Copyright (c) 2006 Darren Tucker.  All rights reserved.
@@ -22,6 +22,7 @@
 
 void platform_pre_listen(void);
 void platform_pre_fork(void);
+void platform_pre_restart(void);
 void platform_post_fork_parent(pid_t child_pid);
 void platform_post_fork_child(void);
 int  platform_privileged_uidswap(void);
diff --git a/sshd.c b/sshd.c
index 3efe170e0..7e3b60f9f 100644
--- a/sshd.c
+++ b/sshd.c
@@ -315,6 +315,7 @@ static void
 sighup_restart(void)
 {
         logit("Received SIGHUP; restarting.");
+        platform_pre_restart();
         close_listen_socks();
         close_startup_pipes();
         alarm(0);  /* alarm timer persists across exec */