From: Ben Gras <ben@minix3.org>
Date: Fri, 21 Oct 2005 11:10:16 +0000 (+0000)
Subject: Added explanation of SIGKILL, REBOOT order.
X-Git-Tag: v3.1.2a~576
X-Git-Url: http://zhaoyanbai.com/repos/%22http:/www.isc.org/icons/zpipe.c?a=commitdiff_plain;h=629453fba805b53bc0d719bdce4e345e683a36fd;p=minix.git

Added explanation of SIGKILL, REBOOT order.
---

diff --git a/servers/pm/misc.c b/servers/pm/misc.c
index 559adcb09..aadd84b6a 100644
--- a/servers/pm/misc.c
+++ b/servers/pm/misc.c
@@ -172,6 +172,11 @@ PUBLIC int do_reboot()
 	return(EINVAL);
   }
 
+  /* Order matters here. When FS is told to reboot, it exits all its
+   * processes, and then would be confused if they're exited again by
+   * SIGKILL. So first kill, then reboot.
+   */
+
   check_sig(-1, SIGKILL); 		/* kill all processes except init */
   tell_fs(REBOOT, 0, 0, 0);		/* tell FS to synchronize */