36 lines
1.1 KiB
C
36 lines
1.1 KiB
C
/*
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* Copyright (c) 2021 Jonas 'Sortie' Termansen.
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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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* sortix/futex.h
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* Fast userspace mutexes.
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*/
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#ifndef _INCLUDE_SORTIX_FUTEX_H
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#define _INCLUDE_SORTIX_FUTEX_H
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#include <sys/cdefs.h>
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#define FUTEX_WAIT 1
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#define FUTEX_WAKE 2
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#define FUTEX_ABSOLUTE (1 << 8)
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#define FUTEX_CLOCK(clock) (clock << 24)
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#define FUTEX_GET_OP(op) ((op) & 0xFF)
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#define FUTEX_GET_CLOCK(op) ((op) >> 24)
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#endif
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