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/* Copyright (C) 2001-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2001.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <netdb.h>
#include <pthread.h>
#include <gai_misc.h>
int
gai_cancel (struct gaicb *gaicbp)
{
int result = 0;
int status;
/* Request the mutex. */
pthread_mutex_lock (&__gai_requests_mutex);
/* Find the request among those queued but not yet running. */
status = __gai_remove_request (gaicbp);
if (status == 0)
result = EAI_CANCELED;
else if (status > 0)
result = EAI_NOTCANCELED;
else
result = EAI_ALLDONE;
/* Release the mutex. */
pthread_mutex_unlock (&__gai_requests_mutex);
return result;
}
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