| 1 | /* Basic platform-independent macro definitions for mutexes, |
|---|
| 2 | thread-specific data and parameters for malloc. |
|---|
| 3 | Copyright (C) 2003-2022 Free Software Foundation, Inc. |
|---|
| 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 |
|---|
| 17 | License along with the GNU C Library; if not, see |
|---|
| 18 | <https://www.gnu.org/licenses/>. */ |
|---|
| 19 | |
|---|
| 20 | #ifndef _GENERIC_MALLOC_MACHINE_H |
|---|
| 21 | #define _GENERIC_MALLOC_MACHINE_H |
|---|
| 22 | |
|---|
| 23 | #include <atomic.h> |
|---|
| 24 | |
|---|
| 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) */ |
|---|
| 42 | |
|---|
