projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 7df8af43 | 1 | /* PowerPC internal rwlock struct definitions. |
| 2b778ceb | 2 | Copyright (C) 2019-2021 Free Software Foundation, Inc. |
| 7df8af43 AZ |
3 | |
| 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 | <http://www.gnu.org/licenses/>. */ | |
| 19 | ||
| 20 | #ifndef _RWLOCK_INTERNAL_H | |
| 21 | #define _RWLOCK_INTERNAL_H | |
| 22 | ||
| 23 | struct __pthread_rwlock_arch_t | |
| 24 | { | |
| 25 | unsigned int __readers; | |
| 26 | unsigned int __writers; | |
| 27 | unsigned int __wrphase_futex; | |
| 28 | unsigned int __writers_futex; | |
| 29 | unsigned int __pad3; | |
| 30 | unsigned int __pad4; | |
| 31 | #if __WORDSIZE == 64 | |
| 32 | int __cur_writer; | |
| 33 | int __shared; | |
| 34 | unsigned char __rwelision; | |
| 35 | unsigned char __pad1[7]; | |
| 36 | unsigned long int __pad2; | |
| 37 | /* FLAGS must stay at this position in the structure to maintain | |
| 38 | binary compatibility. */ | |
| 39 | unsigned int __flags; | |
| 40 | # define __PTHREAD_RWLOCK_ELISION_EXTRA 0, {0, 0, 0, 0, 0, 0, 0 } | |
| 41 | #else | |
| 42 | unsigned char __rwelision; | |
| 43 | unsigned char __pad2; | |
| 44 | unsigned char __shared; | |
| 45 | /* FLAGS must stay at this position in the structure to maintain | |
| 46 | binary compatibility. */ | |
| 47 | unsigned char __flags; | |
| 48 | int __cur_writer; | |
| 49 | # define __PTHREAD_RWLOCK_ELISION_EXTRA 0 | |
| 50 | #endif | |
| 51 | }; | |
| 52 | ||
| 53 | #if __WORDSIZE == 64 | |
| 54 | # define __PTHREAD_RWLOCK_INITIALIZER(__flags) \ | |
| 55 | 0, 0, 0, 0, 0, 0, 0, 0, __PTHREAD_RWLOCK_ELISION_EXTRA, 0, __flags | |
| 56 | #else | |
| 57 | # define __PTHREAD_RWLOCK_INITIALIZER(__flags) \ | |
| 58 | 0, 0, 0, 0, 0, 0, __PTHREAD_RWLOCK_ELISION_EXTRA, 0, 0, __flags, 0 | |
| 59 | #endif | |
| 60 | ||
| 61 | #endif |