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72 lines
2.1 KiB
C
72 lines
2.1 KiB
C
/* MIPS internal rwlock struct definitions.
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Copyright (C) 2019-2024 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _RWLOCK_INTERNAL_H
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#define _RWLOCK_INTERNAL_H
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struct __pthread_rwlock_arch_t
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{
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unsigned int __readers;
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unsigned int __writers;
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unsigned int __wrphase_futex;
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unsigned int __writers_futex;
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unsigned int __pad3;
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unsigned int __pad4;
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#if _MIPS_SIM == _ABI64
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int __cur_writer;
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int __shared;
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unsigned long int __pad1;
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unsigned long int __pad2;
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/* FLAGS must stay at this position in the structure to maintain
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binary compatibility. */
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unsigned int __flags;
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# else
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# if __BYTE_ORDER == __BIG_ENDIAN
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unsigned char __pad1;
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unsigned char __pad2;
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unsigned char __shared;
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/* FLAGS must stay at this position in the structure to maintain
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binary compatibility. */
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unsigned char __flags;
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# else
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/* FLAGS must stay at this position in the structure to maintain
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binary compatibility. */
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unsigned char __flags;
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unsigned char __shared;
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unsigned char __pad1;
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unsigned char __pad2;
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# endif
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int __cur_writer;
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#endif
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};
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#if _MIPS_SIM == _ABI64
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# define __PTHREAD_RWLOCK_INITIALIZER(__flags) \
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, __flags
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#else
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# if __BYTE_ORDER == __BIG_ENDIAN
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# define __PTHREAD_RWLOCK_INITIALIZER(__flags) \
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0, 0, 0, 0, 0, 0, 0, 0, 0, __flags, 0
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# else
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# define __PTHREAD_RWLOCK_INITIALIZER(__flags) \
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0, 0, 0, 0, 0, 0, __flags, 0, 0, 0, 0
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# endif
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#endif
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#endif
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