/*
 * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
 * 
 * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code 
 * as defined in and that are subject to the Apple Public Source License 
 * Version 2.0 (the 'License'). You may not use this file except in 
 * compliance with the License.  The rights granted to you under the 
 * License may not be used to create, or enable the creation or 
 * redistribution of, unlawful or unlicensed copies of an Apple operating 
 * system, or to circumvent, violate, or enable the circumvention or 
 * violation of, any terms of an Apple operating system software license 
 * agreement.
 *
 * Please obtain a copy of the License at 
 * http://www.opensource.apple.com/apsl/ and read it before using this 
 * file.
 *
 * The Original Code and all software distributed under the License are 
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
 * Please see the License for the specific language governing rights and 
 * limitations under the License.
 *
 * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
 */


#ifndef _SYSTEM_DOMAIN_H_
#define _SYSTEM_DOMAIN_H_


#include <sys/appleapiopts.h>
#include <sys/cdefs.h>

/* Kernel Events Protocol */ 
#define SYSPROTO_EVENT 		1	/* kernel events protocol */

/* Kernel Control Protocol */
#define SYSPROTO_CONTROL       	2	/* kernel control protocol */
#define AF_SYS_CONTROL		2	/* corresponding sub address type */

/* System family socket address */
struct sockaddr_sys
{
    u_char	ss_len;		/* sizeof(struct sockaddr_sys) */
    u_char	ss_family;	/* AF_SYSTEM */
    u_int16_t 	ss_sysaddr; 	/* protocol address in AF_SYSTEM */
    u_int32_t 	ss_reserved[7]; /* reserved to the protocol use */
};


#ifdef KERNEL
#ifdef KERNEL_PRIVATE

extern struct domain systemdomain;

/* built in system domain protocols init function */
__BEGIN_DECLS
int kern_event_init(void);
int kern_control_init(void);
__END_DECLS

#endif /* KERNEL_PRIVATE */
#endif /* KERNEL */

#endif /* _SYSTEM_DOMAIN_H_ */


