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
• mmap_anonymous^⚠
  Create an anonymous memory mapping.
• 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.