NAME
vm_map_inherit —
set fork inheritance flags for a range
within a map
SYNOPSIS
#include
<sys/param.h>
#include <vm/vm.h>
#include <vm/vm_map.h>
int
vm_map_inherit(vm_map_t map,
vm_offset_t start, vm_offset_t
end, vm_inherit_t new_inheritance);
DESCRIPTION
Thevm_map_inherit()
function sets the inheritance flags for the range start
to end within the target map to
the value new_inheritance.
The new_inheritance flag must have one of
the values VM_INHERIT_NONE,
VM_INHERIT_COPY, or
VM_INHERIT_SHARE. This affects how the map will be
shared with child maps when the associated process forks.
IMPLEMENTATION NOTES
The vm_map_inherit() function obtains a
lock on the map using
vm_map_lock(9) for the duration of the function.
RETURN VALUES
The vm_map_inherit() function returns
KERN_SUCCESS if the inheritance flags could be set.
Otherwise, if the provided flags were invalid,
KERN_INVALID_ARGUMENT will be returned.
SEE ALSO
AUTHORS
This manual page was written by Bruce M Simpson <bms@spc.org>.