| 1 | /* Basic platform-independent macro definitions for mutexes, |
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| 2 | thread-specific data and parameters for malloc. |
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| 3 | Copyright (C) 2003-2024 Free Software Foundation, Inc. |
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| 4 | This file is part of the GNU C Library. |
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| 5 | |
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| 6 | The GNU C Library is free software; you can redistribute it and/or |
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| 7 | modify it under the terms of the GNU Lesser General Public |
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| 8 | License as published by the Free Software Foundation; either |
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| 9 | version 2.1 of the License, or (at your option) any later version. |
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| 10 | |
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| 11 | The GNU C Library is distributed in the hope that it will be useful, |
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 14 | Lesser General Public License for more details. |
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| 15 | |
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| 16 | You should have received a copy of the GNU Lesser General Public |
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| 17 | License along with the GNU C Library; if not, see |
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| 18 | <https://www.gnu.org/licenses/>. */ |
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| 19 | |
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| 20 | #ifndef _GENERIC_MALLOC_MACHINE_H |
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| 21 | #define _GENERIC_MALLOC_MACHINE_H |
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| 22 | |
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| 23 | #include <atomic.h> |
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| 24 | |
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| 25 | #ifndef atomic_full_barrier |
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| 26 | # define atomic_full_barrier() __asm ("" ::: "memory") |
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| 27 | #endif |
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| 28 | |
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| 29 | #ifndef atomic_read_barrier |
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| 30 | # define atomic_read_barrier() atomic_full_barrier () |
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| 31 | #endif |
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| 32 | |
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| 33 | #ifndef atomic_write_barrier |
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| 34 | # define atomic_write_barrier() atomic_full_barrier () |
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| 35 | #endif |
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| 36 | |
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| 37 | #ifndef DEFAULT_TOP_PAD |
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| 38 | # define DEFAULT_TOP_PAD 131072 |
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| 39 | #endif |
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| 40 | |
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| 41 | #endif /* !defined(_GENERIC_MALLOC_MACHINE_H) */ |
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| 42 | |
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