[src/trunk]: src/sys/kern make lwp_unstop look like proc_unstop. If p->p_xsta...

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/bbc651d67362
branches:  trunk
changeset: 769103:bbc651d67362
user:      christos <christos%NetBSD.org@localhost>
date:      Wed Aug 31 16:04:39 2011 +0000

description:
make lwp_unstop look like proc_unstop. If p->p_xstat is set, then make it
runnable so that it can receive the signal.

diffstat:

 sys/kern/kern_lwp.c |  7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diffs (28 lines):

diff -r 99ba59200d79 -r bbc651d67362 sys/kern/kern_lwp.c
--- a/sys/kern/kern_lwp.c       Wed Aug 31 15:48:32 2011 +0000
+++ b/sys/kern/kern_lwp.c       Wed Aug 31 16:04:39 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: kern_lwp.c,v 1.162 2011/08/07 21:13:05 rmind Exp $     */
+/*     $NetBSD: kern_lwp.c,v 1.163 2011/08/31 16:04:39 christos Exp $  */
 
 /*-
  * Copyright (c) 2001, 2006, 2007, 2008, 2009 The NetBSD Foundation, Inc.
@@ -211,7 +211,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kern_lwp.c,v 1.162 2011/08/07 21:13:05 rmind Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_lwp.c,v 1.163 2011/08/31 16:04:39 christos Exp $");
 
 #include "opt_ddb.h"
 #include "opt_lockdebug.h"
@@ -471,6 +471,9 @@
        if (l->l_wchan == NULL) {
                /* setrunnable() will release the lock. */
                setrunnable(l);
+       } else if (p->p_xstat && (l->l_flag & LW_SINTR) != 0) {
+               /* setrunnable() so we can receive the signal */
+               setrunnable(l);
        } else {
                l->l_stat = LSSLEEP;
                p->p_nrlwps++;