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221dc560 | 1 | /* shm_unlink -- remove a POSIX shared memory object. Generic POSIX version. |
04277e02 | 2 | Copyright (C) 2001-2019 Free Software Foundation, Inc. |
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3 | This file is part of the GNU C Library. |
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. |
221dc560 | 14 | |
41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
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18 | |
19 | #include <unistd.h> | |
20 | ||
21 | #if ! _POSIX_MAPPED_FILES | |
2826ac7e | 22 | #include <rt/shm_unlink.c> |
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23 | |
24 | #else | |
25 | ||
26 | #include <errno.h> | |
221dc560 | 27 | #include <string.h> |
78e21c5d | 28 | #include "shm-directory.h" |
221dc560 | 29 | |
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30 | |
31 | /* Remove shared memory object. */ | |
32 | int | |
33 | shm_unlink (const char *name) | |
34 | { | |
e4f639e4 | 35 | SHM_GET_NAME (ENOENT, -1, ""); |
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36 | |
37 | int result = unlink (shm_name); | |
38 | if (result < 0 && errno == EPERM) | |
39 | __set_errno (EACCES); | |
40 | return result; | |
221dc560 RM |
41 | } |
42 | ||
43 | #endif |