projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c3f9acf | 1 | /* PowerPC internal mutex struct definitions. |
| 2b778ceb | 2 | Copyright (C) 2019-2021 Free Software Foundation, Inc. |
| 1c3f9acf AZ |
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 _THREAD_MUTEX_INTERNAL_H | |
| 20 | #define _THREAD_MUTEX_INTERNAL_H 1 | |
| 21 | ||
| 22 | struct __pthread_mutex_s | |
| 23 | { | |
| 24 | int __lock; | |
| 25 | unsigned int __count; | |
| 26 | int __owner; | |
| 27 | #if __WORDSIZE == 64 | |
| 28 | unsigned int __nusers; | |
| 29 | #endif | |
| 30 | /* KIND must stay at this position in the structure to maintain | |
| 31 | binary compatibility with static initializers. */ | |
| 32 | int __kind; | |
| 33 | #if __WORDSIZE == 64 | |
| 34 | short __spins; | |
| 35 | short __elision; | |
| 36 | __pthread_list_t __list; | |
| 37 | # define __PTHREAD_MUTEX_HAVE_PREV 1 | |
| 38 | #else | |
| 39 | unsigned int __nusers; | |
| 40 | __extension__ union | |
| 41 | { | |
| 42 | struct | |
| 43 | { | |
| 44 | short __espins; | |
| 45 | short __elision; | |
| 46 | # define __spins __elision_data.__espins | |
| 47 | # define __elision __elision_data.__elision | |
| 48 | } __elision_data; | |
| 49 | __pthread_slist_t __list; | |
| 50 | }; | |
| 51 | # define __PTHREAD_MUTEX_HAVE_PREV 0 | |
| 52 | #endif | |
| 53 | }; | |
| 54 | ||
| 55 | #if __WORDSIZE == 64 | |
| 56 | # define __PTHREAD_MUTEX_INITIALIZER(__kind) \ | |
| 57 | 0, 0, 0, 0, __kind, 0, 0, { 0, 0 } | |
| 58 | #else | |
| 59 | # define __PTHREAD_MUTEX_INITIALIZER(__kind) \ | |
| 60 | 0, 0, 0, __kind, 0, { { 0, 0 } } | |
| 61 | #endif | |
| 62 | ||
| 63 | #endif |