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b168057a | 1 | /* Copyright (C) 2002-2015 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>, 2002. | |
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 | |
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16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
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18 | |
19 | #include <errno.h> | |
20 | #include <semaphore.h> | |
21 | #include <stdlib.h> | |
22 | #include <string.h> | |
23 | #include <unistd.h> | |
24 | #include "semaphoreP.h" | |
e4f639e4 | 25 | #include <shm-directory.h> |
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26 | |
27 | int | |
e4f639e4 | 28 | sem_unlink (const char *name) |
76a50749 | 29 | { |
76a50749 | 30 | /* Construct the filename. */ |
e4f639e4 | 31 | SHM_GET_NAME (ENOENT, -1, SEM_SHM_PREFIX); |
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32 | |
33 | /* Now try removing it. */ | |
e4f639e4 | 34 | int ret = unlink (shm_name); |
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35 | if (ret < 0 && errno == EPERM) |
36 | __set_errno (EACCES); | |
37 | return ret; | |
76a50749 | 38 | } |