summaryrefslogtreecommitdiff
path: root/sys/kern
diff options
context:
space:
mode:
Diffstat (limited to 'sys/kern')
-rw-r--r--sys/kern/kern_subr.c27
1 files changed, 18 insertions, 9 deletions
diff --git a/sys/kern/kern_subr.c b/sys/kern/kern_subr.c
index 6086806b1d3..0340d940069 100644
--- a/sys/kern/kern_subr.c
+++ b/sys/kern/kern_subr.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: kern_subr.c,v 1.21 2002/03/14 01:27:04 millert Exp $ */
+/* $OpenBSD: kern_subr.c,v 1.22 2002/07/12 13:31:20 art Exp $ */
/* $NetBSD: kern_subr.c,v 1.15 1996/04/09 17:21:56 ragge Exp $ */
/*
@@ -219,9 +219,9 @@ hook_disestablish(head, vhook)
struct hook_desc_head *head;
void *vhook;
{
-#ifdef DIAGNOSTIC
struct hook_desc *hdp;
+#ifdef DIAGNOSTIC
for (hdp = TAILQ_FIRST(head); hdp != NULL;
hdp = TAILQ_NEXT(hdp, hd_list))
if (hdp == vhook)
@@ -229,8 +229,9 @@ hook_disestablish(head, vhook)
if (hdp == NULL)
panic("hook_disestablish: hook not established");
#endif
-
- TAILQ_REMOVE(head, (struct hook_desc *)vhook, hd_list);
+ hdp = vhook;
+ TAILQ_REMOVE(head, hdp, hd_list);
+ free(hdp, M_DEVBUF);
}
/*
@@ -240,14 +241,22 @@ hook_disestablish(head, vhook)
* after crash dump done, etc.
*/
void
-dohooks(head)
- struct hook_desc_head *head;
+dohooks(struct hook_desc_head *head, int flags)
{
struct hook_desc *hdp;
- for (hdp = TAILQ_FIRST(head); hdp != NULL;
- hdp = TAILQ_NEXT(hdp, hd_list))
- (*hdp->hd_fn)(hdp->hd_arg);
+ if ((flags & HOOK_REMOVE) == 0) {
+ TAILQ_FOREACH(hdp, head, hd_list) {
+ (*hdp->hd_fn)(hdp->hd_arg);
+ }
+ } else {
+ while ((hdp = TAILQ_FIRST(head)) != NULL) {
+ TAILQ_REMOVE(head, hdp, hd_list);
+ (*hdp->hd_fn)(hdp->hd_arg);
+ if ((flags & HOOK_FREE) != 0)
+ free(hdp, M_DEVBUF);
+ }
+ }
}
/*