blob 9ce0ec73 (1643B) - Raw
1 /* MIPS internal mutex struct definitions. 2 Copyright (C) 2019-2023 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 _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 _MIPS_SIM == _ABI64 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 _MIPS_SIM == _ABI64 34 int __spins; 35 __pthread_list_t __list; 36 # define __PTHREAD_MUTEX_HAVE_PREV 1 37 #else 38 unsigned int __nusers; 39 __extension__ union 40 { 41 int __spins; 42 __pthread_slist_t __list; 43 }; 44 # define __PTHREAD_MUTEX_HAVE_PREV 0 45 #endif 46 }; 47 48 #if _MIPS_SIM == _ABI64 49 # define __PTHREAD_MUTEX_INITIALIZER(__kind) \ 50 0, 0, 0, 0, __kind, 0, { 0, 0 } 51 #else 52 # define __PTHREAD_MUTEX_INITIALIZER(__kind) \ 53 0, 0, 0, __kind, 0, { 0 } 54 #endif 55 56 #endif