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dbb605f5 | 1 | /* Copyright (C) 2002, 2006, 2008 Free Software Foundation, Inc. |
3d527b27 | 2 | * |
73be1d9e | 3 | * This library is free software; you can redistribute it and/or |
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4 | * modify it under the terms of the GNU Lesser General Public License |
5 | * as published by the Free Software Foundation; either version 3 of | |
6 | * the License, or (at your option) any later version. | |
3d527b27 | 7 | * |
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8 | * This library is distributed in the hope that it will be useful, but |
9 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
73be1d9e MV |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
11 | * Lesser General Public License for more details. | |
3d527b27 | 12 | * |
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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 | |
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15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
16 | * 02110-1301 USA | |
73be1d9e | 17 | */ |
3d527b27 | 18 | |
dbb605f5 LC |
19 | #ifdef HAVE_CONFIG_H |
20 | # include <config.h> | |
21 | #endif | |
22 | ||
9de87eea MV |
23 | #include <stdlib.h> |
24 | #include "libguile/_scm.h" | |
3d527b27 | 25 | |
9de87eea | 26 | #if SCM_USE_NULL_THREADS |
3d527b27 | 27 | |
9de87eea | 28 | #include "libguile/null-threads.h" |
3d527b27 | 29 | |
9de87eea | 30 | static scm_i_pthread_key_t *all_keys = NULL; |
3d527b27 | 31 | |
9de87eea MV |
32 | static void |
33 | destroy_keys (void) | |
3d527b27 | 34 | { |
9de87eea MV |
35 | scm_i_pthread_key_t *key; |
36 | int again; | |
4b9154e7 | 37 | |
9de87eea MV |
38 | do { |
39 | again = 0; | |
40 | for (key = all_keys; key; key = key->next) | |
41 | if (key->value && key->destr_func) | |
4b9154e7 | 42 | { |
9de87eea MV |
43 | void *v = key->value; |
44 | key->value = NULL; | |
45 | key->destr_func (v); | |
46 | again = 1; | |
4b9154e7 | 47 | } |
9de87eea | 48 | } while (again); |
3d527b27 MV |
49 | } |
50 | ||
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51 | int |
52 | scm_i_pthread_key_create (scm_i_pthread_key_t *key, | |
53 | void (*destr_func) (void *)) | |
3d527b27 | 54 | { |
9de87eea MV |
55 | if (all_keys == NULL) |
56 | atexit (destroy_keys); | |
3d527b27 | 57 | |
9de87eea MV |
58 | key->next = all_keys; |
59 | all_keys = key; | |
60 | key->value = NULL; | |
61 | key->destr_func = destr_func; | |
4b9154e7 | 62 | |
9de87eea | 63 | return 0; |
3d527b27 MV |
64 | } |
65 | ||
9de87eea MV |
66 | #endif /* SCM_USE_NULL_THREADS */ |
67 | ||
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68 | |
69 | /* | |
70 | Local Variables: | |
71 | c-file-style: "gnu" | |
72 | End: | |
73 | */ |