Wrap copyin/copyout for kevent so the 32bit wrapper does not have

to malloc nchanges * sizeof(struct kevent) AND/OR nevents *
sizeof(struct kevent) on every syscall.

Glanced at by:	peter, jmg
Obtained from:	Yahoo!
MFC after:	2 weeks

1 files changed, 5 insertions, 0 deletions

diff --git a/sys/sys/event.h b/sys/sys/event.h
index ef20bec..3cf8bce 100644
--- a/sys/sys/event.h
+++ b/sys/sys/event.h
@@ -192,6 +192,11 @@ struct knote {
 #define kn_data		kn_kevent.data
 #define kn_fp		kn_ptr.p_fp
 };
+struct kevent_copyops {
+	void	*arg;
+	int	(*k_copyout)(void *arg, struct kevent *kevp, int count);
+	int	(*k_copyin)(void *arg, struct kevent *kevp, int count);
+};
 
 struct thread;
 struct proc;