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Kernel/LibC: Implement MMAP_FIXED_NOREPLACE

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This is a handy thing from linux

Also fix MMAP_FIXED validation and error reporting
This commit is contained in:
Bananymous
2025-11-10 03:52:33 +02:00
parent 82c8eeb4be
commit f1d12c330e
4 changed files with 45 additions and 33 deletions
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55
userspace/libraries/LibC/include/sys/mman.h
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@@ -7,41 +7,42 @@
__BEGIN_DECLS
#define PROT_EXEC 0x01
#define PROT_NONE 0x02
#define PROT_READ 0x04
#define PROT_WRITE 0x08
#define PROT_EXEC 0x01
#define PROT_NONE 0x02
#define PROT_READ 0x04
#define PROT_WRITE 0x08
#define MAP_FIXED 0x01
#define MAP_PRIVATE 0x02
#define MAP_SHARED 0x04
#define MAP_ANONYMOUS 0x08
#define MAP_ANON MAP_ANONYMOUS
#define MAP_FIXED 0x01
#define MAP_PRIVATE 0x02
#define MAP_SHARED 0x04
#define MAP_ANONYMOUS 0x08
#define MAP_ANON MAP_ANONYMOUS
#define MAP_FIXED_NOREPLACE 0x10
#define MS_ASYNC 0x01
#define MS_INVALIDATE 0x02
#define MS_SYNC 0x04
#define MS_ASYNC 0x01
#define MS_INVALIDATE 0x02
#define MS_SYNC 0x04
#define MCL_CURRENT 0x01
#define MCL_FUTURE 0x01
#define MCL_CURRENT 0x01
#define MCL_FUTURE 0x01
#define MAP_FAILED ((void*)0)
#define POSIX_MADV_DONTNEED 1
#define POSIX_MADV_NORMAL 2
#define POSIX_MADV_RANDOM 3
#define POSIX_MADV_SEQUENTIAL 4
#define POSIX_MADV_WILLNEED 5
#define POSIX_MADV_DONTNEED 1
#define POSIX_MADV_NORMAL 2
#define POSIX_MADV_RANDOM 3
#define POSIX_MADV_SEQUENTIAL 4
#define POSIX_MADV_WILLNEED 5
#define MADV_DONTNEED POSIX_MADV_DONTNEED
#define MADV_NORMAL POSIX_MADV_NORMAL
#define MADV_RANDOM POSIX_MADV_RANDOM
#define MADV_SEQUENTIAL POSIX_MADV_SEQUENTIAL
#define MADV_WILLNEED POSIX_MADV_WILLNEED
#define MADV_DONTNEED POSIX_MADV_DONTNEED
#define MADV_NORMAL POSIX_MADV_NORMAL
#define MADV_RANDOM POSIX_MADV_RANDOM
#define MADV_SEQUENTIAL POSIX_MADV_SEQUENTIAL
#define MADV_WILLNEED POSIX_MADV_WILLNEED
#define POSIX_TYPED_MEM_ALLOCATE 0x01
#define POSIX_TYPED_MEM_ALLOCATE_CONTIG 0x02
#define POSIX_TYPED_MEM_MAP_ALLOCATABLE 0x04
#define POSIX_TYPED_MEM_ALLOCATE 0x01
#define POSIX_TYPED_MEM_ALLOCATE_CONTIG 0x02
#define POSIX_TYPED_MEM_MAP_ALLOCATABLE 0x04
#define __need_mode_t
#define __need_off_t