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45 lines
No EOL
1.4 KiB
C
Vendored
45 lines
No EOL
1.4 KiB
C
Vendored
/* $OpenBSD: futex.h,v 1.3 2025/05/07 00:39:09 dlg Exp $ */
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/*
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* Copyright (c) 2016 Martin Pieuchot
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _SYS_FUTEX_H_
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#define _SYS_FUTEX_H_
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#ifndef _KERNEL
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#include <sys/cdefs.h>
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__BEGIN_DECLS
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int futex(volatile uint32_t *, int, int, const struct timespec *,
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volatile uint32_t *);
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__END_DECLS
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#endif /* ! _KERNEL */
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#define FUTEX_OP_MASK 0x007f
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#define FUTEX_WAIT 1
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#define FUTEX_WAKE 2
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#define FUTEX_REQUEUE 3
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#define FUTEX_FLAG_MASK 0xff80
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#define FUTEX_PRIVATE_FLAG 0x0080
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#define FUTEX_WAIT_PRIVATE (FUTEX_WAIT | FUTEX_PRIVATE_FLAG)
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#define FUTEX_WAKE_PRIVATE (FUTEX_WAKE | FUTEX_PRIVATE_FLAG)
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#define FUTEX_REQUEUE_PRIVATE (FUTEX_REQUEUE | FUTEX_PRIVATE_FLAG)
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#endif /* _SYS_FUTEX_H_ */ |