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If a socket is disconnected for some reason (like a TCP connection

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not responding) then drop any data on the outgoing queue in
soisdisconnected because there is no way to get it to its destination
any longer.

The only objection to this patch I got on -net was from Terry, who
wasn't sure that the condition in question could arise, so I provided
some example code.
This commit is contained in:
David Malone 2002-07-27 23:06:52 +00:00
parent 6576952ca5
commit 25dec7474c
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=100775
2 changed files with 2 additions and 0 deletions
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1
sys/kern/uipc_sockbuf.c
View File

@ -158,6 +158,7 @@ soisdisconnected(so)
so->so_state &= ~(SS_ISCONNECTING|SS_ISCONNECTED|SS_ISDISCONNECTING);
so->so_state |= (SS_CANTRCVMORE|SS_CANTSENDMORE|SS_ISDISCONNECTED);
wakeup(&so->so_timeo);
sbdrop(&so->so_snd, so->so_snd.sb_cc);
sowwakeup(so);
sorwakeup(so);
}

1
sys/kern/uipc_socket2.c
View File

@ -158,6 +158,7 @@ soisdisconnected(so)
so->so_state &= ~(SS_ISCONNECTING|SS_ISCONNECTED|SS_ISDISCONNECTING);
so->so_state |= (SS_CANTRCVMORE|SS_CANTSENDMORE|SS_ISDISCONNECTED);
wakeup(&so->so_timeo);
sbdrop(&so->so_snd, so->so_snd.sb_cc);
sowwakeup(so);
sorwakeup(so);
}