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/* $Id$ */
/* Copyright (C) 2004 by Daniel Stenberg et al
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for any purpose and without fee is hereby granted, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of M.I.T. not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. M.I.T. makes no representations about the
* suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*/
#include "setup.h"
#include <stdlib.h>
#include "ares.h"
#include "ares_private.h"
/*
* ares_cancel() cancels a ongoing request/resolve that might be going on on
* the given channel. It does NOT kill the channel, use ares_destroy() for
* that.
*/
void ares_cancel(ares_channel channel)
{
struct query *query, *next;
int i;
for (query = channel->queries; query; query = next)
{
next = query->next;
query->callback(query->arg, ARES_ETIMEOUT, 0, NULL, 0);
free(query->tcpbuf);
free(query->server_info);
free(query);
}
channel->queries = NULL;
if (!(channel->flags & ARES_FLAG_STAYOPEN))
{
if (channel->servers)
{
for (i = 0; i < channel->nservers; i++)
ares__close_sockets(channel, &channel->servers[i]);
}
}
}
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