.\"	$Id: minherit.2,v 1.3 1996/08/06 23:18:23 deraadt Exp $
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.\"	@(#)minherit.2	8.1 (Berkeley) 6/9/93
.\"
.Dd June 9, 1993
.Dt MINHERIT 2
.Os
.Sh NAME
.Nm minherit
.Nd control the inheritance of pages
.Sh SYNOPSIS
.Fd #include <sys/types.h>
.Fd #include <sys/mman.h>
.Ft int
.Fn minherit "caddr_t addr" "size_t len" "int inherit"
.Sh DESCRIPTION
The
.Fn minherit
system call
changes the specified pages to have the inheritance characteristic
.Fa inherit ,
which can be set to VM_INHERIT_NONE, VM_INHERIT_COPY, or VM_INHERIT_SHARE.
Not all implementations will guarantee that the inheritance characteristic
can be set on a page basis;
the granularity of changes may be as large as an entire region.
.Sh SEE ALSO
.Xr madvise 2 , 
.Xr mincore 2 , 
.Xr mprotect 2 , 
.Xr msync 2 ,
.Xr munmap 2
.Sh HISTORY
The
.Fn minherit
function first appeared in OpenBSD.