vm_inherit.h   [plain text]


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/*
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/*
 *	File:	mach/vm_inherit.h
 *	Author:	Avadis Tevanian, Jr., Michael Wayne Young
 *
 *	Virtual memory map inheritance definitions.
 *
 */

#ifndef	_MACH_VM_INHERIT_H_
#define	_MACH_VM_INHERIT_H_

/*
 *	Types defined:
 *
 *	vm_inherit_t	inheritance codes.
 */

typedef unsigned int		vm_inherit_t;	/* might want to change this */

/*
 *	Enumeration of valid values for vm_inherit_t.
 */

#define	VM_INHERIT_SHARE	((vm_inherit_t) 0)	/* share with child */
#define	VM_INHERIT_COPY		((vm_inherit_t) 1)	/* copy into child */
#define VM_INHERIT_NONE		((vm_inherit_t) 2)	/* absent from child */
#define	VM_INHERIT_DONATE_COPY	((vm_inherit_t) 3)	/* copy and delete */

#define VM_INHERIT_DEFAULT	VM_INHERIT_COPY
#define VM_INHERIT_LAST_VALID VM_INHERIT_NONE

#endif	/* _MACH_VM_INHERIT_H_ */