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- # http://pubs.opengroup.org/onlinepubs/009695399/basedefs/sys/mman.h.html
- from posix.types cimport off_t, mode_t
- cdef extern from "<sys/mman.h>" nogil:
- enum: PROT_EXEC # protection bits for mmap/mprotect
- enum: PROT_READ
- enum: PROT_WRITE
- enum: PROT_NONE
- enum: MAP_PRIVATE # flag bits for mmap
- enum: MAP_SHARED
- enum: MAP_FIXED
- enum: MAP_ANON # These three are not in POSIX, but are
- enum: MAP_ANONYMOUS # fairly common in spelling/semantics
- enum: MAP_STACK
- enum: MAP_LOCKED # Typically available only on Linux
- enum: MAP_HUGETLB
- enum: MAP_POPULATE
- enum: MAP_NORESERVE
- enum: MAP_GROWSDOWN
- enum: MAP_NOCORE # Typically available only on BSD
- enum: MAP_NOSYNC
- void *MAP_FAILED
- void *mmap(void *addr, size_t Len, int prot, int flags, int fd, off_t off)
- int munmap(void *addr, size_t Len)
- int mprotect(void *addr, size_t Len, int prot)
- enum: MS_ASYNC
- enum: MS_SYNC
- enum: MS_INVALIDATE
- int msync(void *addr, size_t Len, int flags)
- enum: POSIX_MADV_NORMAL # POSIX advice flags
- enum: POSIX_MADV_SEQUENTIAL
- enum: POSIX_MADV_RANDOM
- enum: POSIX_MADV_WILLNEED
- enum: POSIX_MADV_DONTNEED
- int posix_madvise(void *addr, size_t Len, int advice)
- enum: MCL_CURRENT
- enum: MCL_FUTURE
- int mlock(const void *addr, size_t Len)
- int munlock(const void *addr, size_t Len)
- int mlockall(int flags)
- int munlockall()
- # Linux-specific
- enum: MLOCK_ONFAULT
- enum: MCL_ONFAULT
- int mlock2(const void *addr, size_t len, int flags)
- int shm_open(const char *name, int oflag, mode_t mode)
- int shm_unlink(const char *name)
- # often available
- enum: MADV_NORMAL # pre-POSIX advice flags; should translate 1-1 to POSIX_*
- enum: MADV_RANDOM # but in practice it is not always the same.
- enum: MADV_SEQUENTIAL
- enum: MADV_WILLNEED
- enum: MADV_DONTNEED
- enum: MADV_REMOVE # other pre-POSIX advice flags; often available
- enum: MADV_DONTFORK
- enum: MADV_DOFORK
- enum: MADV_HWPOISON
- enum: MADV_MERGEABLE,
- enum: MADV_UNMERGEABLE
- enum: MADV_SOFT_OFFLINE
- enum: MADV_HUGEPAGE
- enum: MADV_NOHUGEPAGE
- enum: MADV_DONTDUMP
- enum: MADV_DODUMP
- enum: MADV_FREE
- enum: MADV_WIPEONFORK
- enum: MADV_KEEPONFORK
- int madvise(void *addr, size_t Len, int advice)
- # sometimes available
- int mincore(void *addr, size_t Len, unsigned char *vec)
- # These two are Linux specific but sometimes very efficient
- void *mremap(void *old_addr, size_t old_len, size_t new_len, int flags, ...)
- int remap_file_pages(void *addr, size_t Len, int prot,
- size_t pgoff, int flags)
- # The rare but standardized typed memory option
- enum: POSIX_TYPED_MEM_ALLOCATE
- enum: POSIX_TYPED_MEM_ALLOCATE_CONTIG
- enum: POSIX_TYPED_MEM_MAP_ALLOCATABLE
- int posix_typed_mem_open(const char *name, int oflag, int tflag)
- int posix_mem_offset(const void *addr, size_t Len, off_t *off,
- size_t *contig_len, int *fildes)
- cdef struct posix_typed_mem_info:
- size_t posix_tmi_length
- int posix_typed_mem_get_info(int fildes, posix_typed_mem_info *info)
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