- Add knlist_init_rw_reader() function to kqueue(9).

Function acquired reader lock if needed.
Assert check for reader or writer lock (RA_LOCKED / RA_UNLOCKED)
- While here, add knlist_init_mtx.9 to MLINKS and fix some style(9) issues

Reviewed by:    glebius
Approved by:    ae(mentor)

MFC after:      2 weeks

1 files changed, 2 insertions, 0 deletions

diff --git a/sys/sys/event.h b/sys/sys/event.h
index 08072a7..707fbed 100644
--- a/sys/sys/event.h
+++ b/sys/sys/event.h
@@ -234,6 +234,7 @@ struct thread;
 struct proc;
 struct knlist;
 struct mtx;
+struct rwlock;
 
 extern void	knote(struct knlist *list, long hint, int lockflags);
 extern void	knote_fork(struct knlist *list, int pid);
@@ -245,6 +246,7 @@ extern void	knlist_init(struct knlist *knl, void *lock,
     void (*kl_lock)(void *), void (*kl_unlock)(void *),
     void (*kl_assert_locked)(void *), void (*kl_assert_unlocked)(void *));
 extern void	knlist_init_mtx(struct knlist *knl, struct mtx *lock);
+extern void	knlist_init_rw_reader(struct knlist *knl, struct rwlock *lock);
 extern void	knlist_destroy(struct knlist *knl);
 extern void	knlist_cleardel(struct knlist *knl, struct thread *td,
 	int islocked, int killkn);