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https://github.com/RGBCube/serenity
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c724955d54
Add the `posix_madvise(..)` LibC implementation that just forwards to the normal `madvise(..)` implementation. Also define a few POSIX_MADV_DONTNEED and POSIX_MADV_NORMAL as they are part of the POSIX API for `posix_madvise(..)`. This is needed by the `fio` port.
54 lines
1.1 KiB
C
54 lines
1.1 KiB
C
/*
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* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <Kernel/API/POSIX/sys/types.h>
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#include <Kernel/API/POSIX/time.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define MAP_FILE 0x00
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#define MAP_SHARED 0x01
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#define MAP_PRIVATE 0x02
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#define MAP_FIXED 0x10
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#define MAP_ANONYMOUS 0x20
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#define MAP_ANON MAP_ANONYMOUS
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#define MAP_STACK 0x40
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#define MAP_NORESERVE 0x80
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#define MAP_RANDOMIZED 0x100
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#define MAP_PURGEABLE 0x200
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#define PROT_READ 0x1
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#define PROT_WRITE 0x2
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#define PROT_EXEC 0x4
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#define PROT_NONE 0x0
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#define MAP_FAILED ((void*)-1)
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#define MADV_NORMAL 0x0
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#define MADV_SET_VOLATILE 0x1
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#define MADV_SET_NONVOLATILE 0x2
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#define MADV_DONTNEED 0x3
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// https://pubs.opengroup.org/onlinepubs/9699919799/functions/posix_madvise.html
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#define POSIX_MADV_NORMAL MADV_NORMAL
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#define POSIX_MADV_DONTNEED MADV_DONTNEED
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// Unsupported posix_madvise() advise:
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// POSIX_MADV_SEQUENTIAL
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// POSIX_MADV_RANDOM
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// POSIX_MADV_WILLNEED
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#define MS_SYNC 1
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#define MS_ASYNC 2
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#define MS_INVALIDATE 4
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#ifdef __cplusplus
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}
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#endif
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