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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) | |