diff options
| -rw-r--r-- | lib/libc/sys/kqueue.2 | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/lib/libc/sys/kqueue.2 b/lib/libc/sys/kqueue.2 index deec088e1a7..43111bfa46f 100644 --- a/lib/libc/sys/kqueue.2 +++ b/lib/libc/sys/kqueue.2 @@ -1,4 +1,4 @@ -.\" $OpenBSD: kqueue.2,v 1.18 2004/09/23 03:32:16 brad Exp $ +.\" $OpenBSD: kqueue.2,v 1.19 2004/09/23 06:54:54 brad Exp $ .\" .\" Copyright (c) 2000 Jonathan Lemon .\" All rights reserved. @@ -242,7 +242,7 @@ and specifying the new low water mark in .Va data . On return, .Va data -contains the number of bytes of protocol data available to read. +contains the number of bytes in the socket buffer. .Pp If the read direction of the socket has shutdown, then the filter also sets @@ -282,6 +282,13 @@ This may be cleared by passing in .Dv EV_CLEAR , at which point the filter will resume waiting for data to become available before returning. +.It "BPF devices" +Returns when the BPF buffer is full, the BPF timeout has expired, or +when the BPF has +.Dq immediate mode +enabled and there is any data to read; +.Va data +contains the number of bytes available. .El .It Dv EVFILT_WRITE Takes a descriptor as the identifier, and returns whenever @@ -294,7 +301,7 @@ The filter will set when the reader disconnects, and for the FIFO case, this may be cleared by use of .Dv EV_CLEAR . -Note that this filter is not supported for vnodes. +Note that this filter is not supported for vnodes or BPF devices. .Pp For sockets, the low water mark and socket error handling is identical to the |