Module nix::sys::mman

MRemapFlags

Options for mremap.

MapFlags

Additional parameters for mmap.

MlockAllFlags

Flags for mlockall.

MsFlags

Configuration flags for msync.

ProtFlags

Desired memory protection of a memory mapping.

MmapAdvise

Usage information for a range of memory to allow for performance optimizations by the kernel.

madvise This function is unsafe to use

give advice about use of memory

mlock This function is unsafe to use

Locks all memory pages that contain part of the address range with length bytes starting at addr.

mlockall

Locks all memory pages mapped into this process’ address space.

mmap This function is unsafe to use

allocate memory, or map files or devices into memory

mprotect This function is unsafe to use

Set protection of memory mapping.

mremap This function is unsafe to use any(target_os = "linux", target_os = "netbsd")

Expands (or shrinks) an existing memory mapping, potentially moving it at the same time.

msync This function is unsafe to use

synchronize a mapped region

munlock This function is unsafe to use

Unlocks all memory pages that contain part of the address range with length bytes starting at addr.

munlockall

Unlocks all memory pages mapped into this process’ address space.

munmap This function is unsafe to use

remove a mapping

shm_open not(target_os = "android")

Creates and opens a new, or opens an existing, POSIX shared memory object.

shm_unlink not(target_os = "android")

Performs the converse of shm_open, removing an object previously created.