Module nix::sys::mman

Memory management declarations.

Structs

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.

Enums

MmapAdvise

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

Functions

madvise^⚠

give advice about use of memory

mlock^⚠

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^⚠

allocate memory, or map files or devices into memory

mprotect^⚠

Set protection of memory mapping.

mremap^⚠

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

msync^⚠

synchronize a mapped region

munlock^⚠

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^⚠

remove a mapping

shm_open

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

shm_unlink

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