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1/* __pthread_destory_specific. Hurd version.
2 Copyright (C) 2002-2019 Free Software Foundation, Inc.
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 <http://www.gnu.org/licenses/>. */
18
19#include <pthread.h>
20#include <stdlib.h>
21
22#include <pt-internal.h>
23
24void
25__pthread_destroy_specific (struct __pthread *thread)
26{
27 int i;
28 int seen_one;
29
30 /* Check if there is any thread specific data. */
31 if (thread->thread_specifics == NULL)
32 return;
33
34 __pthread_key_lock_ready ();
35
36 /* Iterate and call the destructors on any thread specific data. */
37 for (;;)
38 {
39 seen_one = 0;
40
41 __pthread_mutex_lock (&__pthread_key_lock);
42
43 for (i = 0; i < __pthread_key_count && i < thread->thread_specifics_size;
44 i++)
45 {
46 void *value;
47
48 if (__pthread_key_destructors[i] == PTHREAD_KEY_INVALID)
49 continue;
50
51 value = thread->thread_specifics[i];
52 if (value != NULL)
53 {
54 thread->thread_specifics[i] = 0;
55
56 if (__pthread_key_destructors[i])
57 {
58 seen_one = 1;
59 __pthread_key_destructors[i] (value);
60 }
61 }
62 }
63
64 __pthread_mutex_unlock (&__pthread_key_lock);
65
66 if (!seen_one)
67 break;
68
69 /* This may take a very long time. Let those blocking on
70 pthread_key_create or pthread_key_delete make progress. */
71 sched_yield ();
72 }
73
74 free (thread->thread_specifics);
75 thread->thread_specifics = 0;
76 thread->thread_specifics_size = 0;
77}
78

Warning: That file was not part of the compilation database. It may have many parsing errors.