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cd94860c | 1 | /* __pthread_mutex_checklocked. Hurd version. |
2b778ceb | 2 | Copyright (C) 2016-2021 Free Software Foundation, Inc. |
cd94860c ST |
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 | |
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 | <https://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #include <pthread.h> | |
20 | #include <stdlib.h> | |
21 | #include <assert.h> | |
22 | #include <pt-internal.h> | |
23 | #include "pt-mutex.h" | |
24 | #include <hurdlock.h> | |
25 | ||
26 | int | |
27 | __pthread_mutex_checklocked (pthread_mutex_t *mtxp) | |
28 | { | |
29 | int ret = 0; | |
30 | ||
31 | switch (MTX_TYPE (mtxp)) | |
32 | { | |
33 | case PT_MTX_NORMAL: | |
34 | break; | |
35 | ||
36 | case PT_MTX_RECURSIVE: | |
37 | case PT_MTX_ERRORCHECK: | |
38 | case PT_MTX_NORMAL | PTHREAD_MUTEX_ROBUST: | |
39 | case PT_MTX_RECURSIVE | PTHREAD_MUTEX_ROBUST: | |
40 | case PT_MTX_ERRORCHECK | PTHREAD_MUTEX_ROBUST: | |
41 | if (!mtx_owned_p (mtxp, _pthread_self (), mtxp->__flags)) | |
42 | ret = EPERM; | |
43 | break; | |
44 | ||
45 | default: | |
46 | ret = EINVAL; | |
47 | break; | |
48 | } | |
49 | ||
50 | return ret; | |
51 | } |