Aren/NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add a comment to turnstile_block:

Browse Source 
* NOTE: if you get a panic in this code block, it is likely that
        * a lock has been destroyed or corrupted while still in use.  Try
        * compiling a kernel with LOCKDEBUG to pinpoint the problem.
This commit is contained in:
ad 2008-05-31 12:03:15 +00:00
parent 826cacff27
commit 5b4d14b9f1
1 changed files with 7 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
sys/kern/kern_turnstile.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: kern_turnstile.c,v 1.21 2008/05/26 12:08:38 ad Exp $ */
/* $NetBSD: kern_turnstile.c,v 1.22 2008/05/31 12:03:15 ad Exp $ */
/*-
* Copyright (c) 2002, 2006, 2007 The NetBSD Foundation, Inc.
@ -60,7 +60,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_turnstile.c,v 1.21 2008/05/26 12:08:38 ad Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_turnstile.c,v 1.22 2008/05/31 12:03:15 ad Exp $");
#include <sys/param.h>
#include <sys/lockdebug.h>
@ -267,7 +267,11 @@ turnstile_block(turnstile_t *ts, int q, wchan_t obj, syncobj_t *sobj)
KPREEMPT_DISABLE(l);
/*
* lend our priority to lwps on the blocking chain.
* Lend our priority to lwps on the blocking chain.
*
* NOTE: if you get a panic in this code block, it is likely that
* a lock has been destroyed or corrupted while still in use. Try
* compiling a kernel with LOCKDEBUG to pinpoint the problem.
*/
prio = lwp_eprio(l);
for (;;) {