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| author |   fgsch <fgsch@openbsd.org> | 2011-12-03 12:41:33 +0000 |
|---|---|---|
| committer | fgsch <fgsch@openbsd.org> | 2011-12-03 12:41:33 +0000 |
| commit | d1ec17928e554d2e943e4bb1828ae4bf1effd01e (patch) | |
| tree | 4ef749e7e5808455496f0bdfb292d4ad76a0cd01 /lib/libc | |
| parent | add support for MSG_NOSIGNAL. (diff) | |
| download | wireguard-openbsd-d1ec17928e554d2e943e4bb1828ae4bf1effd01e.tar.xz wireguard-openbsd-d1ec17928e554d2e943e4bb1828ae4bf1effd01e.zip | |
document MSG_NOSIGNAL.
Diffstat (limited to 'lib/libc')
| -rw-r--r-- | lib/libc/sys/send.2 | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/lib/libc/sys/send.2 b/lib/libc/sys/send.2 index 705e2b2f7b2..8f6cf8c8b98 100644 --- a/lib/libc/sys/send.2 +++ b/lib/libc/sys/send.2 @@ -1,4 +1,4 @@ -.\" $OpenBSD: send.2,v 1.23 2007/05/31 19:19:33 jmc Exp $ +.\" $OpenBSD: send.2,v 1.24 2011/12/03 12:41:33 fgsch Exp $ .\" $NetBSD: send.2,v 1.6 1996/01/15 01:17:18 thorpej Exp $ .\" .\" Copyright (c) 1983, 1991, 1993 @@ -30,7 +30,7 @@ .\" .\" @(#)send.2 8.2 (Berkeley) 2/21/94 .\" -.Dd $Mdocdate: May 31 2007 $ +.Dd $Mdocdate: December 3 2011 $ .Dt SEND 2 .Os .Sh NAME @@ -94,10 +94,16 @@ send more data. The .Fa flags parameter may include one or more of the following: -.Bd -literal -#define MSG_OOB 0x1 /* process out-of-band data */ -#define MSG_DONTROUTE 0x4 /* bypass routing, use direct interface */ -.Ed +.Pp +.Bl -tag -width "MSG_DONTROUTEXX" -offset indent -compact +.It Dv MSG_OOB +process out-of-band data +.It Dv MSG_DONTROUTE +bypass routing, use direct interface +.It Dv MSG_NOSIGNAL +don't send +.Dv SIGPIPE +.El .Pp The flag .Dv MSG_OOB @@ -110,6 +116,11 @@ the underlying protocol must also support data. .Dv MSG_DONTROUTE is usually used only by diagnostic or routing programs. +.Dv MSG_NOSIGNAL +is used to request not to send the +.Dv SIGPIPE +signal if an attempt to send is made on a socket that is shut down for +writing or no longer connected. .Pp See .Xr recv 2 @@ -172,6 +183,10 @@ This error can only be returned by connected sockets. The socket is not connected, and no destination address was specified. .It Bq Er EISCONN The socket is already connected, and a destination address was specified. +.It Bq Er EPIPE +The socket is shut down for writing or not longer connected and the +.Dv MSG_NOSIGNAL +flag is set. .El .Pp In addition, |