June 22, 2017
freebsd-manpages
Manual pages for a GNU/kFreeBSD system
NAME
munmap - remove a mapping
LIBRARY
.Lb libc
SYNOPSIS
.In sys/mman.h int
munmap void *addr size_t len
DESCRIPTION
The
munmap
system call deletes the mappings and guards for the specified address range, and causes further references to addresses within the range to generate invalid memory references.RETURN VALUES
.Rv -std munmap
ERRORS
The
munmap
system call will fail if:
[EINVAL ] |
|
The addr argument was not page aligned, the len argument was zero or negative, or some part of the region being unmapped is outside the valid address range for a process. |
SEE ALSO
HISTORY
The
munmap
system call first appeared in BSD 4.4 .