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-rw-r--r--lib/libc/sys/kqueue.217
1 files changed, 15 insertions, 2 deletions
diff --git a/lib/libc/sys/kqueue.2 b/lib/libc/sys/kqueue.2
index 2f4f21a256b..92947e29e41 100644
--- a/lib/libc/sys/kqueue.2
+++ b/lib/libc/sys/kqueue.2
@@ -1,4 +1,4 @@
-.\" $OpenBSD: kqueue.2,v 1.16 2004/08/02 17:49:31 brad Exp $
+.\" $OpenBSD: kqueue.2,v 1.17 2004/09/06 05:26:34 brad Exp $
.\"
.\" Copyright (c) 2000 Jonathan Lemon
.\" All rights reserved.
@@ -101,6 +101,14 @@ is a pointer to an array of kevent structures.
.Fa nevents
determines the size of
.Fa eventlist .
+When
+.Fa nevents
+is zero,
+.Fn kevent
+will return immediately even if there is a
+.Fa timeout
+specified unlike
+.Xr select 2 .
If
.Fa timeout
is a non-null pointer, it specifies a maximum interval to wait
@@ -342,7 +350,7 @@ The file referenced by the descriptor was renamed.
.It Dv NOTE_REVOKE
Access to the file was revoked via
.Xr revoke 2
-or the underlying fileystem was unmounted.
+or the underlying file system was unmounted.
.El
.Pp
On return,
@@ -496,3 +504,8 @@ system and this manual page were written by
.Sh BUGS
It is currently not possible to watch FIFOs, AIO, or a vnode that
resides on anything but a UFS file system.
+.Pp
+The
+.Fa timeout
+value is limited to 24 hours; longer timeouts will be silently
+reinterpreted as 24 hours.