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-rw-r--r--lib/libc/sys/poll.26
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/libc/sys/poll.2 b/lib/libc/sys/poll.2
index 0ebcb74..1f5248b 100644
--- a/lib/libc/sys/poll.2
+++ b/lib/libc/sys/poll.2
@@ -1,5 +1,5 @@
.\" $NetBSD: poll.2,v 1.3 1996/09/07 21:53:08 mycroft Exp $
-.\" $Id: poll.2,v 1.1 1997/09/14 05:44:35 peter Exp $
+.\" $Id: poll.2,v 1.2 1998/06/04 21:05:45 steve Exp $
.\"
.\" Copyright (c) 1996 Charles M. Hannum. All rights reserved.
.\"
@@ -65,7 +65,9 @@ The fields of
are as follows:
.Bl -tag -width XXXrevents
.It fd
-File descriptor to poll.
+File descriptor to poll. If fd is equal to -1 then
+.Fa revents
+is cleared (set to zero), and that pollfd is not checked.
.It events
Events to poll for. (See below.)
.It revents
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