1/* Copyright (C) 2001-2021 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2001.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include <netdb.h>
20#include <pthread.h>
21
22#include <gai_misc.h>
23
24
25int
26gai_cancel (struct gaicb *gaicbp)
27{
28 int result = 0;
29 int status;
30
31 /* Request the mutex. */
32 pthread_mutex_lock (&__gai_requests_mutex);
33
34 /* Find the request among those queued but not yet running. */
35 status = __gai_remove_request (gaicbp);
36 if (status == 0)
37 result = EAI_CANCELED;
38 else if (status > 0)
39 result = EAI_NOTCANCELED;
40 else
41 result = EAI_ALLDONE;
42
43 /* Release the mutex. */
44 pthread_mutex_unlock (&__gai_requests_mutex);
45
46 return result;
47}
48