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a334319f | 1 | /* Copyright (C) 2001 Free Software Foundation, Inc. |
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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 | |
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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. | |
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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 | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
2ace5721 | 14 | |
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15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, write to the Free | |
17 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
18 | 02111-1307 USA. */ | |
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19 | |
20 | #include <netdb.h> | |
21 | #include <pthread.h> | |
22 | ||
a334319f | 23 | #include "gai_misc.h" |
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24 | |
25 | ||
26 | int | |
27 | gai_cancel (struct gaicb *gaicbp) | |
28 | { | |
29 | int result = 0; | |
30 | int status; | |
31 | ||
32 | /* Request the mutex. */ | |
33 | pthread_mutex_lock (&__gai_requests_mutex); | |
34 | ||
35 | /* Find the request among those queued but not yet running. */ | |
36 | status = __gai_remove_request (gaicbp); | |
37 | if (status == 0) | |
38 | result = EAI_CANCELED; | |
39 | else if (status > 0) | |
40 | result = EAI_NOTCANCELED; | |
41 | else | |
42 | result = EAI_ALLDONE; | |
43 | ||
44 | /* Release the mutex. */ | |
45 | pthread_mutex_unlock (&__gai_requests_mutex); | |
46 | ||
47 | return result; | |
48 | } |