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ip.7: Detail EINVAL error for IP_ADD_MEMBERSHIP socket option 

In response to:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=216092

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Reported-by: Christian Grigis <glove@earthling.net>
This commit is contained in:
Michael Kerrisk 2008-10-28 12:44:03 -05:00
parent 213bea670e
commit 6dd5c68a3d
1 changed files with 7 additions and 2 deletions
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9
man7/ip.7
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@ -6,7 +6,7 @@
.\" and in case of nontrivial modification author and date .\" and in case of nontrivial modification author and date
.\" of the modification is added to the header. .\" of the modification is added to the header.
.\" $Id: ip.7,v 1.19 2000/12/20 18:10:31 ak Exp $ .\" $Id: ip.7,v 1.19 2000/12/20 18:10:31 ak Exp $
.TH IP 7 2008-08-08 "Linux" "Linux Programmer's Manual" .TH IP 7 2008-10-28 "Linux" "Linux Programmer's Manual"
.SH NAME .SH NAME
ip \- Linux IPv4 protocol implementation ip \- Linux IPv4 protocol implementation
.SH SYNOPSIS .SH SYNOPSIS
@ -648,7 +648,12 @@ struct ip_mreqn {
.I imr_multiaddr .I imr_multiaddr
contains the address of the multicast group the application contains the address of the multicast group the application
wants to join or leave. wants to join or leave.
It must be a valid multicast address. It must be a valid multicast address
.\" (i.e., within the 224.0.0.0-239.255.255.255 range)
(or
.BR setsockopt (2)
fails with the error
.BR EINVAL ).
.I imr_address .I imr_address
is the address of the local interface with which the system is the address of the local interface with which the system
should join the multicast should join the multicast