]>
Commit | Line | Data |
---|---|---|
87cfd82a | 1 | /* Memory handling for the scope data structures. |
dff8da6b | 2 | Copyright (C) 2009-2024 Free Software Foundation, Inc. |
87cfd82a UD |
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 | |
59ba27a6 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
87cfd82a UD |
18 | |
19 | #include <stdlib.h> | |
20 | #include <ldsodefs.h> | |
21 | #include <sysdep-cancel.h> | |
22 | ||
23 | ||
24 | int | |
25 | _dl_scope_free (void *old) | |
26 | { | |
27 | struct dl_scope_free_list *fsl; | |
28 | #define DL_SCOPE_FREE_LIST_SIZE (sizeof (fsl->list) / sizeof (fsl->list[0])) | |
29 | ||
30 | if (RTLD_SINGLE_THREAD_P) | |
31 | free (old); | |
32 | else if ((fsl = GL(dl_scope_free_list)) == NULL) | |
33 | { | |
34 | GL(dl_scope_free_list) = fsl = malloc (sizeof (*fsl)); | |
35 | if (fsl == NULL) | |
36 | { | |
37 | THREAD_GSCOPE_WAIT (); | |
38 | free (old); | |
39 | return 1; | |
40 | } | |
41 | else | |
42 | { | |
43 | fsl->list[0] = old; | |
44 | fsl->count = 1; | |
45 | } | |
46 | } | |
47 | else if (fsl->count < DL_SCOPE_FREE_LIST_SIZE) | |
48 | fsl->list[fsl->count++] = old; | |
49 | else | |
50 | { | |
51 | THREAD_GSCOPE_WAIT (); | |
52 | while (fsl->count > 0) | |
53 | free (fsl->list[--fsl->count]); | |
54 | return 1; | |
55 | } | |
56 | return 0; | |
57 | } |