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3c6904fb UD |
1 | /* Basic platform-independent macro definitions for mutexes, |
2 | thread-specific data and parameters for malloc. | |
f7a9f785 | 3 | Copyright (C) 2003-2016 Free Software Foundation, Inc. |
3c6904fb UD |
4 | This file is part of the GNU C Library. |
5 | ||
6 | The GNU C Library is free software; you can redistribute it and/or | |
7 | modify it under the terms of the GNU Lesser General Public | |
8 | License as published by the Free Software Foundation; either | |
9 | version 2.1 of the License, or (at your option) any later version. | |
10 | ||
11 | The GNU C Library is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
17 | License along with the GNU C Library; if not, see |
18 | <http://www.gnu.org/licenses/>. */ | |
3c6904fb UD |
19 | |
20 | #ifndef _GENERIC_MALLOC_MACHINE_H | |
21 | #define _GENERIC_MALLOC_MACHINE_H | |
22 | ||
23 | #include <atomic.h> | |
24 | ||
3c6904fb UD |
25 | #ifndef atomic_full_barrier |
26 | # define atomic_full_barrier() __asm ("" ::: "memory") | |
27 | #endif | |
28 | ||
29 | #ifndef atomic_read_barrier | |
30 | # define atomic_read_barrier() atomic_full_barrier () | |
31 | #endif | |
32 | ||
33 | #ifndef atomic_write_barrier | |
34 | # define atomic_write_barrier() atomic_full_barrier () | |
35 | #endif | |
36 | ||
37 | #ifndef DEFAULT_TOP_PAD | |
38 | # define DEFAULT_TOP_PAD 131072 | |
39 | #endif | |
40 | ||
41 | #endif /* !defined(_GENERIC_MALLOC_MACHINE_H) */ |