/* Machine-specific pthread type layouts.  RISC-V version.
   Copyright (C) 2011-2019 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 */
