| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame] | 1 | /* Copyright (C) 2001-2016 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 | <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include <netdb.h> |
| 20 | #include <pthread.h> |
| 21 | |
| 22 | #include <gai_misc.h> |
| 23 | |
| 24 | |
| 25 | int |
| 26 | gai_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 | } |