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https://github.com/SerenityOS/serenity
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3c8064a787
All right, we can now mmap() a file and it gets magically paged in from fs in response to an NP page fault. This is really cool :^) I need to refactor this to support sharing of read-only file-backed pages, but it's cool to just have something working.
27 lines
485 B
C
27 lines
485 B
C
#pragma once
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#include <sys/cdefs.h>
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#include <sys/types.h>
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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 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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__BEGIN_DECLS
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void* mmap(void* addr, size_t, int prot, int flags, int fd, off_t);
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int munmap(void*, size_t);
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int set_mmap_name(void*, size_t, const char*);
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__END_DECLS
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