1/* Copyright (C) 2001-2023 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18#include <netdb.h>
19#include <pthread.h>
20#include <shlib-compat.h>
21#include <gai_misc.h>
22
23
24int
25__gai_cancel (struct gaicb *gaicbp)
26{
27 int result = 0;
28 int status;
29
30 /* Request the mutex. */
31 __pthread_mutex_lock (&__gai_requests_mutex);
32
33 /* Find the request among those queued but not yet running. */
34 status = __gai_remove_request (gaicbp);
35 if (status == 0)
36 result = EAI_CANCELED;
37 else if (status > 0)
38 result = EAI_NOTCANCELED;
39 else
40 result = EAI_ALLDONE;
41
42 /* Release the mutex. */
43 __pthread_mutex_unlock (&__gai_requests_mutex);
44
45 return result;
46}
47#if PTHREAD_IN_LIBC
48versioned_symbol (libc, __gai_cancel, gai_cancel, GLIBC_2_34);
49
50# if OTHER_SHLIB_COMPAT (libanl, GLIBC_2_2_3, GLIBC_2_34)
51compat_symbol (libanl, __gai_cancel, gai_cancel, GLIBC_2_2_3);
52# endif
53#else /* !PTHREAD_IN_LIBC */
54strong_alias (__gai_cancel, gai_cancel)
55#endif /* !PTHREAD_IN_LIBC */
56