Commit | Line | Data |
---|---|---|
2b829bbb | 1 | /* Copyright (C) 2002, 2006 Free Software Foundation, Inc. |
3d527b27 | 2 | * |
73be1d9e MV |
3 | * This library is free software; you can redistribute it and/or |
4 | * modify it under the terms of the GNU Lesser General Public | |
5 | * License as published by the Free Software Foundation; either | |
6 | * version 2.1 of the License, or (at your option) any later version. | |
3d527b27 | 7 | * |
73be1d9e MV |
8 | * This library is distributed in the hope that it will be useful, |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
11 | * Lesser General Public License for more details. | |
3d527b27 | 12 | * |
73be1d9e MV |
13 | * You should have received a copy of the GNU Lesser General Public |
14 | * License along with this library; if not, write to the Free Software | |
92205699 | 15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
73be1d9e | 16 | */ |
3d527b27 | 17 | |
9de87eea MV |
18 | #include <stdlib.h> |
19 | #include "libguile/_scm.h" | |
3d527b27 | 20 | |
9de87eea | 21 | #if SCM_USE_NULL_THREADS |
3d527b27 | 22 | |
9de87eea | 23 | #include "libguile/null-threads.h" |
3d527b27 | 24 | |
9de87eea | 25 | static scm_i_pthread_key_t *all_keys = NULL; |
3d527b27 | 26 | |
9de87eea MV |
27 | static void |
28 | destroy_keys (void) | |
3d527b27 | 29 | { |
9de87eea MV |
30 | scm_i_pthread_key_t *key; |
31 | int again; | |
4b9154e7 | 32 | |
9de87eea MV |
33 | do { |
34 | again = 0; | |
35 | for (key = all_keys; key; key = key->next) | |
36 | if (key->value && key->destr_func) | |
4b9154e7 | 37 | { |
9de87eea MV |
38 | void *v = key->value; |
39 | key->value = NULL; | |
40 | key->destr_func (v); | |
41 | again = 1; | |
4b9154e7 | 42 | } |
9de87eea | 43 | } while (again); |
3d527b27 MV |
44 | } |
45 | ||
9de87eea MV |
46 | int |
47 | scm_i_pthread_key_create (scm_i_pthread_key_t *key, | |
48 | void (*destr_func) (void *)) | |
3d527b27 | 49 | { |
9de87eea MV |
50 | if (all_keys == NULL) |
51 | atexit (destroy_keys); | |
3d527b27 | 52 | |
9de87eea MV |
53 | key->next = all_keys; |
54 | all_keys = key; | |
55 | key->value = NULL; | |
56 | key->destr_func = destr_func; | |
4b9154e7 | 57 | |
9de87eea | 58 | return 0; |
3d527b27 MV |
59 | } |
60 | ||
9de87eea MV |
61 | #endif /* SCM_USE_NULL_THREADS */ |
62 | ||
3d527b27 MV |
63 | |
64 | /* | |
65 | Local Variables: | |
66 | c-file-style: "gnu" | |
67 | End: | |
68 | */ |