Module Name: src
Committed By: matt
Date: Fri Jan 7 02:18:07 UTC 2011
Modified Files:
src/sys/kern [matt-nb5-pq3]: kern_subr.c
Log Message:
Add critpoll hooks.
To generate a diff of this commit:
cvs rdiff -u -r1.192.4.1 -r1.192.4.1.8.1 src/sys/kern/kern_subr.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/kern/kern_subr.c
diff -u src/sys/kern/kern_subr.c:1.192.4.1 src/sys/kern/kern_subr.c:1.192.4.1.8.1
--- src/sys/kern/kern_subr.c:1.192.4.1 Mon Nov 17 18:56:05 2008
+++ src/sys/kern/kern_subr.c Fri Jan 7 02:18:07 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: kern_subr.c,v 1.192.4.1 2008/11/17 18:56:05 snj Exp $ */
+/* $NetBSD: kern_subr.c,v 1.192.4.1.8.1 2011/01/07 02:18:07 matt Exp $ */
/*-
* Copyright (c) 1997, 1998, 1999, 2002, 2007, 2008 The NetBSD Foundation, Inc.
@@ -79,7 +79,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kern_subr.c,v 1.192.4.1 2008/11/17 18:56:05 snj Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_subr.c,v 1.192.4.1.8.1 2011/01/07 02:18:07 matt Exp $");
#include "opt_ddb.h"
#include "opt_md.h"
@@ -603,6 +603,33 @@
}
}
+static hook_list_t critpollhook_list = LIST_HEAD_INITIALIZER(critpollhook_list);
+
+void *
+critpollhook_establish(void (*fn)(void *), void *arg)
+{
+ return hook_establish(&critpollhook_list, fn, arg);
+}
+
+void
+critpollhook_disestablish(void *vhook)
+{
+ hook_disestablish(&critpollhook_list, vhook);
+}
+
+/*
+ * Run critical polling hooks.
+ */
+void
+docritpollhooks(void)
+{
+ struct hook_desc *hd;
+
+ LIST_FOREACH(hd, &critpollhook_list, hk_list) {
+ (*hd->hk_fn)(hd->hk_arg);
+ }
+}
+
/*
* "Power hook" types, functions, and variables.
* The list of power hooks is kept ordered with the last registered hook
