From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <e70d6471fbce3e374c0706fe1a5e1e7a@felloff.net>
Date: Thu, 13 Nov 2014 15:43:28 +0100
From: cinap_lenrek@felloff.net
To: 9fans@9fans.net
In-Reply-To: <CAGNd-2N_RGKnnPyK3LNx-H9vG-K5CcUNBuYDK=quXpbpG_cBJg@mail.gmail.com>
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Subject: Re: [9fans] Doesn't 'close' call finish pending 'read' on the same
	'fd'?
Topicbox-Message-UUID: 274a0e26-ead9-11e9-9d60-3106f5b1d025

the changes to implement udp hangup are trivial tho:

diff -r 51564dc1adae sys/src/9/ip/udp.c
--- a/sys/src/9/ip/udp.c	Thu Nov 13 10:23:53 2014 +0100
+++ b/sys/src/9/ip/udp.c	Thu Nov 13 15:42:24 2014 +0100
@@ -518,6 +518,11 @@

 	ucb = (Udpcb*)c->ptcl;
 	if(n == 1){
+		if(strcmp(f[0], "hangup") == 0){
+			qhangup(c->rq, nil);
+			qhangup(c->wq, nil);
+			return nil;
+		}
 		if(strcmp(f[0], "headers") == 0){
 			ucb->headers = 7;	/* new headers format */
 			return nil;

--
cinap