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| 1 | /* MIPS internal rwlock struct definitions. |
|---|---|
| 2 | Copyright (C) 2019-2024 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 | #ifndef _RWLOCK_INTERNAL_H |
| 20 | #define _RWLOCK_INTERNAL_H |
| 21 | |
| 22 | struct __pthread_rwlock_arch_t |
| 23 | { |
| 24 | unsigned int __readers; |
| 25 | unsigned int __writers; |
| 26 | unsigned int __wrphase_futex; |
| 27 | unsigned int __writers_futex; |
| 28 | unsigned int __pad3; |
| 29 | unsigned int __pad4; |
| 30 | #if _MIPS_SIM == _ABI64 |
| 31 | int __cur_writer; |
| 32 | int __shared; |
| 33 | unsigned long int __pad1; |
| 34 | unsigned long int __pad2; |
| 35 | /* FLAGS must stay at this position in the structure to maintain |
| 36 | binary compatibility. */ |
| 37 | unsigned int __flags; |
| 38 | # else |
| 39 | # if __BYTE_ORDER == __BIG_ENDIAN |
| 40 | unsigned char __pad1; |
| 41 | unsigned char __pad2; |
| 42 | unsigned char __shared; |
| 43 | /* FLAGS must stay at this position in the structure to maintain |
| 44 | binary compatibility. */ |
| 45 | unsigned char __flags; |
| 46 | # else |
| 47 | /* FLAGS must stay at this position in the structure to maintain |
| 48 | binary compatibility. */ |
| 49 | unsigned char __flags; |
| 50 | unsigned char __shared; |
| 51 | unsigned char __pad1; |
| 52 | unsigned char __pad2; |
| 53 | # endif |
| 54 | int __cur_writer; |
| 55 | #endif |
| 56 | }; |
| 57 | |
| 58 | #if _MIPS_SIM == _ABI64 |
| 59 | # define __PTHREAD_RWLOCK_INITIALIZER(__flags) \ |
| 60 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, __flags |
| 61 | #else |
| 62 | # if __BYTE_ORDER == __BIG_ENDIAN |
| 63 | # define __PTHREAD_RWLOCK_INITIALIZER(__flags) \ |
| 64 | 0, 0, 0, 0, 0, 0, 0, 0, 0, __flags, 0 |
| 65 | # else |
| 66 | # define __PTHREAD_RWLOCK_INITIALIZER(__flags) \ |
| 67 | 0, 0, 0, 0, 0, 0, __flags, 0, 0, 0, 0 |
| 68 | # endif |
| 69 | #endif |
| 70 | |
| 71 | #endif |
| 72 |
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