Module Name: src
Committed By: christos
Date: Fri Dec 2 23:57:59 UTC 2011
Modified Files:
src/sys/ddb: db_xxx.c
Log Message:
deal with the proc_lock mutex.
To generate a diff of this commit:
cvs rdiff -u -r1.64 -r1.65 src/sys/ddb/db_xxx.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/ddb/db_xxx.c
diff -u src/sys/ddb/db_xxx.c:1.64 src/sys/ddb/db_xxx.c:1.65
--- src/sys/ddb/db_xxx.c:1.64 Sat Jun 11 23:35:51 2011
+++ src/sys/ddb/db_xxx.c Fri Dec 2 18:57:58 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: db_xxx.c,v 1.64 2011/06/12 03:35:51 rmind Exp $ */
+/* $NetBSD: db_xxx.c,v 1.65 2011/12/02 23:57:58 christos Exp $ */
/*
* Copyright (c) 1982, 1986, 1989, 1991, 1993
@@ -37,7 +37,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: db_xxx.c,v 1.64 2011/06/12 03:35:51 rmind Exp $");
+__KERNEL_RCSID(0, "$NetBSD: db_xxx.c,v 1.65 2011/12/02 23:57:58 christos Exp $");
#ifdef _KERNEL_OPT
#include "opt_kgdb.h"
@@ -106,8 +106,11 @@ db_kill_proc(db_expr_t addr, bool haddr,
db_error("?\n");
/*NOTREACHED*/
}
-
+ /* We might stop when the mutex is held or when not */
+ t = mutex_tryenter(proc_lock);
p = proc_find((pid_t)pid);
+ if (t)
+ mutex_exit(proc_lock);
if (p == NULL) {
db_error("no such proc\n");
/*NOTREACHED*/