From: David van Moolenbroek <david@minix3.org>
Date: Sat, 11 Jul 2009 11:19:39 +0000 (+0000)
Subject: PM: add clarifying comment about exiting system processes early (thanks Philip)
X-Git-Tag: v3.1.5~221
X-Git-Url: http://zhaoyanbai.com/repos/%22http:/www.isc.org/icons/zpipe.c?a=commitdiff_plain;h=14f3a0e018131802d8466628befd9802fa612eb2;p=minix.git

PM: add clarifying comment about exiting system processes early (thanks Philip)
---

diff --git a/servers/pm/forkexit.c b/servers/pm/forkexit.c
index f5e531794..26ddebb84 100644
--- a/servers/pm/forkexit.c
+++ b/servers/pm/forkexit.c
@@ -260,7 +260,10 @@ int exit_type;			/* one of PM_EXIT, PM_EXIT_TR, PM_DUMPCORE */
 
 	if (rmp->mp_flags & PRIV_PROC)
 	{
-		/* destroy system processes without waiting for FS */
+		/* Destroy system processes without waiting for FS. This is
+		 * needed because the system process might be a block device
+		 * driver that FS is blocked waiting on.
+		 */
 		if((r= sys_exit(rmp->mp_endpoint)) != OK)
 			panic(__FILE__, "exit_proc: sys_exit failed", r);
 	}