mirror of
https://github.com/RGBCube/serenity
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f5d4de8b66
mlock is supposed to prevent memory from being paged out to swap, which we don't have currently. Required by OpenSSL.
46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
/*
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* Copyright (c) 2018-2020, 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 <sys/cdefs.h>
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#include <sys/types.h>
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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_SET_VOLATILE 0x100
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#define MADV_SET_NONVOLATILE 0x200
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__BEGIN_DECLS
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void* mmap(void* addr, size_t, int prot, int flags, int fd, off_t);
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void* mmap_with_name(void* addr, size_t, int prot, int flags, int fd, off_t, const char* name);
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void* serenity_mmap(void* addr, size_t, int prot, int flags, int fd, off_t, size_t alignment, const char* name);
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void* mremap(void* old_address, size_t old_size, size_t new_size, int flags);
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int munmap(void*, size_t);
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int mprotect(void*, size_t, int prot);
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int set_mmap_name(void*, size_t, const char*);
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int madvise(void*, size_t, int advice);
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void* allocate_tls(const char* initial_data, size_t);
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int mlock(const void*, size_t);
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__END_DECLS
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