| /* Machine-specific pthread type layouts. RISC-V version. |
| Copyright (C) 2011-2018 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library. If not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef _BITS_PTHREADTYPES_ARCH_H |
| #define _BITS_PTHREADTYPES_ARCH_H 1 |
| |
| #include <endian.h> |
| |
| #if __riscv_xlen == 64 |
| # define __SIZEOF_PTHREAD_ATTR_T 56 |
| # define __SIZEOF_PTHREAD_MUTEX_T 40 |
| # define __SIZEOF_PTHREAD_MUTEXATTR_T 4 |
| # define __SIZEOF_PTHREAD_COND_T 48 |
| # define __SIZEOF_PTHREAD_CONDATTR_T 4 |
| # define __SIZEOF_PTHREAD_RWLOCK_T 56 |
| # define __SIZEOF_PTHREAD_RWLOCKATTR_T 8 |
| # define __SIZEOF_PTHREAD_BARRIER_T 32 |
| # define __SIZEOF_PTHREAD_BARRIERATTR_T 4 |
| #else |
| # error "rv32i-based systems are not supported" |
| #endif |
| |
| #define __PTHREAD_COMPAT_PADDING_MID |
| #define __PTHREAD_COMPAT_PADDING_END |
| #define __PTHREAD_MUTEX_LOCK_ELISION 0 |
| #define __PTHREAD_MUTEX_USE_UNION 0 |
| #define __PTHREAD_MUTEX_NUSERS_AFTER_KIND 0 |
| |
| #define __LOCK_ALIGNMENT |
| #define __ONCE_ALIGNMENT |
| |
| /* There is a lot of padding in this structure. While it's not strictly |
| necessary on RISC-V, we're going to leave it in to be on the safe side in |
| case it's needed in the future. Most other architectures have the padding, |
| so this gives us the same extensibility as everyone else has. */ |
| struct __pthread_rwlock_arch_t |
| { |
| unsigned int __readers; |
| unsigned int __writers; |
| unsigned int __wrphase_futex; |
| unsigned int __writers_futex; |
| unsigned int __pad3; |
| unsigned int __pad4; |
| int __cur_writer; |
| int __shared; |
| unsigned long int __pad1; |
| unsigned long int __pad2; |
| unsigned int __flags; |
| }; |
| |
| #define __PTHREAD_RWLOCK_ELISION_EXTRA 0 |
| |
| #endif /* bits/pthreadtypes.h */ |