NAME
minherit —
control the inheritance of
pages
SYNOPSIS
#include
<sys/types.h>
#include <sys/mman.h>
int
minherit(void
*addr, size_t len,
int inherit);
DESCRIPTION
The
minherit()
system call changes the specified pages to have the inheritance
characteristic inherit, which can be set to
MAP_INHERIT_NONE,
MAP_INHERIT_COPY, or
MAP_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.
RETURN VALUES
The minherit() function returns the value
0 if successful; otherwise the value -1 is returned and the global variable
errno is set to indicate the error.
ERRORS
The minherit() system call will fail
if:
- [
EINVAL] - The virtual address range specified by the addr and len arguments is not valid.
- [
EACCES] - The flags specified by the inherit argument were not valid for the pages specified by the addr and len arguments.
SEE ALSO
HISTORY
The minherit() function first appeared in
OpenBSD 2.0.