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1 | /* Definitions for thread-local data handling. Hurd version. |
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2 | Copyright (C) 2003-2022 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 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #ifndef _TLS_H |
20 | #define _TLS_H |
21 | |
22 | #ifndef __ASSEMBLER__ |
23 | |
24 | # include <stddef.h> |
25 | # include <stdint.h> |
26 | # include <stdbool.h> |
27 | # include <sysdep.h> |
28 | # include <mach/mig_errors.h> |
29 | # include <mach.h> |
30 | # include <atomic.h> |
31 | |
32 | /* This is the size of the initial TCB. */ |
33 | # define TLS_INIT_TCB_SIZE sizeof (tcbhead_t) |
34 | |
35 | /* This is the size of the TCB. */ |
36 | # define TLS_TCB_SIZE TLS_INIT_TCB_SIZE /* XXX */ |
37 | |
38 | /* Install the dtv pointer. The pointer passed is to the element with |
39 | index -1 which contain the length. */ |
40 | # define INSTALL_DTV(descr, dtvp) \ |
41 | ((tcbhead_t *) (descr))->dtv = (dtvp) + 1 |
42 | |
43 | /* Return dtv of given thread descriptor. */ |
44 | # define GET_DTV(descr) \ |
45 | (((tcbhead_t *) (descr))->dtv) |
46 | |
47 | #endif /* !ASSEMBLER */ |
48 | |
49 | |
50 | #endif /* tls.h */ |
51 |
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