[src/trunk]: src/sys/rump/librump/rumpkern panic if cv_wait() is called in no...

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

details:   https://anonhg.NetBSD.org/src/rev/2ed5805df09f
branches:  trunk
changeset: 747783:2ed5805df09f
user:      pooka <pooka%NetBSD.org@localhost>
date:      Fri Oct 02 09:56:08 2009 +0000

description:
panic if cv_wait() is called in non-threaded mode

diffstat:

 sys/rump/librump/rumpkern/locks.c |  6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diffs (27 lines):

diff -r 5338810876ed -r 2ed5805df09f sys/rump/librump/rumpkern/locks.c
--- a/sys/rump/librump/rumpkern/locks.c Fri Oct 02 09:38:29 2009 +0000
+++ b/sys/rump/librump/rumpkern/locks.c Fri Oct 02 09:56:08 2009 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: locks.c,v 1.27 2009/02/07 01:50:29 pooka Exp $ */
+/*     $NetBSD: locks.c,v 1.28 2009/10/02 09:56:08 pooka Exp $ */
 
 /*-
  * Copyright (c) 2008 The NetBSD Foundation, Inc.
@@ -55,7 +55,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: locks.c,v 1.27 2009/02/07 01:50:29 pooka Exp $");
+__KERNEL_RCSID(0, "$NetBSD: locks.c,v 1.28 2009/10/02 09:56:08 pooka Exp $");
 
 #include <sys/param.h>
 #include <sys/atomic.h>
@@ -235,6 +235,8 @@
 cv_wait(kcondvar_t *cv, kmutex_t *mtx)
 {
 
+       if (rump_threads == 0)
+               panic("cv_wait without threads");
        rumpuser_cv_wait(RUMPCV(cv), RUMPMTX(mtx));
 }