Inline klist_empty() for more economic machine code.

OK mpi@

diff --git a/sys/kern/kern_event.c b/sys/kern/kern_event.c
index 0c651ee..25a438f 100644 (file)
--- a/sys/kern/kern_event.c
+++ b/sys/kern/kern_event.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: kern_event.c,v 1.179 2022/02/08 08:56:41 visa Exp $   */
+/*     $OpenBSD: kern_event.c,v 1.180 2022/02/11 07:25:50 visa Exp $   */
 
 /*-
  * Copyright (c) 1999,2000,2001 Jonathan Lemon <jlemon@FreeBSD.org>
@@ -2095,12 +2095,6 @@ klist_remove_locked(struct klist *klist, struct knote *kn)
        SLIST_REMOVE(&klist->kl_list, kn, knote, kn_selnext);
 }
 
-int
-klist_empty(struct klist *klist)
-{
-       return (SLIST_EMPTY(&klist->kl_list));
-}
-
 /*
  * Detach all knotes from klist. The knotes are rewired to indicate EOF.
  *

diff --git a/sys/sys/event.h b/sys/sys/event.h
index 4a86434..76272cc 100644 (file)
--- a/sys/sys/event.h
+++ b/sys/sys/event.h
@@ -1,4 +1,4 @@
-/*     $OpenBSD: event.h,v 1.62 2022/02/08 08:56:41 visa Exp $ */
+/*     $OpenBSD: event.h,v 1.63 2022/02/11 07:25:50 visa Exp $ */
 
 /*-
  * Copyright (c) 1999,2000,2001 Jonathan Lemon <jlemon@FreeBSD.org>
@@ -314,9 +314,14 @@ extern void        klist_insert(struct klist *, struct knote *);
 extern void    klist_insert_locked(struct klist *, struct knote *);
 extern void    klist_remove(struct klist *, struct knote *);
 extern void    klist_remove_locked(struct klist *, struct knote *);
-extern int     klist_empty(struct klist *);
 extern void    klist_invalidate(struct klist *);
 
+static inline int
+klist_empty(struct klist *klist)
+{
+       return (SLIST_EMPTY(&klist->kl_list));
+}
+
 #else  /* !_KERNEL */
 
 #include <sys/cdefs.h>