gnumach4linux-libre/ipc/ipc_right.h

/*
 * Mach Operating System
 * Copyright (c) 1991,1990,1989 Carnegie Mellon University
 * All Rights Reserved.
 *
 * Permission to use, copy, modify and distribute this software and its
 * documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
 * software, derivative works or modified versions, and any portions
 * thereof, and that both notices appear in supporting documentation.
 *
 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 *
 * Carnegie Mellon requests users of this software to return to
 *
 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
 *
 * any improvements or extensions that they make and grant Carnegie Mellon
 * the rights to redistribute these changes.
 */
/*
 */
/*
 *	File:	ipc/ipc_right.h
 *	Author:	Rich Draves
 *	Date:	1989
 *
 *	Declarations of functions to manipulate IPC capabilities.
 */

#ifndef	_IPC_IPC_RIGHT_H_
#define	_IPC_IPC_RIGHT_H_

#include <mach/boolean.h>
#include <mach/kern_return.h>
#include <ipc/ipc_entry.h>
#include <ipc/ipc_port.h>

#define	ipc_right_lookup_read	ipc_right_lookup_write

extern kern_return_t
ipc_right_lookup_write(ipc_space_t, mach_port_t, ipc_entry_t *);

extern boolean_t
ipc_right_reverse(ipc_space_t, ipc_object_t,
		  mach_port_t *, ipc_entry_t *);

extern kern_return_t
ipc_right_dnrequest(ipc_space_t, mach_port_t, boolean_t,
		    ipc_port_t, ipc_port_t *);

extern ipc_port_t
ipc_right_dncancel(ipc_space_t, ipc_port_t, mach_port_t, ipc_entry_t);

#define	ipc_right_dncancel_macro(space, port, name, entry)		\
		(((entry)->ie_request == 0) ? IP_NULL :			\
		 ipc_right_dncancel((space), (port), (name), (entry)))

extern boolean_t
ipc_right_inuse(ipc_space_t, mach_port_t, ipc_entry_t);

extern boolean_t
ipc_right_check(ipc_space_t, ipc_port_t, mach_port_t, ipc_entry_t);

extern void
ipc_right_clean(ipc_space_t, mach_port_t, ipc_entry_t);

extern kern_return_t
ipc_right_destroy(ipc_space_t, mach_port_t, ipc_entry_t);

extern kern_return_t
ipc_right_dealloc(ipc_space_t, mach_port_t, ipc_entry_t);

extern kern_return_t
ipc_right_delta(ipc_space_t, mach_port_t, ipc_entry_t,
		mach_port_right_t, mach_port_delta_t);

extern kern_return_t
ipc_right_info(ipc_space_t, mach_port_t, ipc_entry_t,
	       mach_port_type_t *, mach_port_urefs_t *);

extern boolean_t
ipc_right_copyin_check(ipc_space_t, mach_port_t, ipc_entry_t,
		       mach_msg_type_name_t);

extern kern_return_t
ipc_right_copyin(ipc_space_t, mach_port_t, ipc_entry_t,
		 mach_msg_type_name_t, boolean_t,
		 ipc_object_t *, ipc_port_t *);

extern void
ipc_right_copyin_undo(ipc_space_t, mach_port_t, ipc_entry_t,
		      mach_msg_type_name_t, ipc_object_t, ipc_port_t);

extern kern_return_t
ipc_right_copyin_two(ipc_space_t, mach_port_t, ipc_entry_t,
		     ipc_object_t *, ipc_port_t *);

extern kern_return_t
ipc_right_copyout(ipc_space_t, mach_port_t, ipc_entry_t,
		  mach_msg_type_name_t, boolean_t, ipc_object_t);

extern kern_return_t
ipc_right_rename(ipc_space_t, mach_port_t, ipc_entry_t,
		 mach_port_t, ipc_entry_t);

#endif	/* _IPC_IPC_RIGHT_H_ */