bsd/sys/sys_domain.h

   1 /*
   2  * Copyright (c) 2000-2005, 2012, 2014 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28
  29
  30 #ifndef _SYSTEM_DOMAIN_H_
  31 #define _SYSTEM_DOMAIN_H_
  32
  33 #include <sys/appleapiopts.h>
  34 #include <sys/cdefs.h>
  35 #include <sys/types.h>
  36
  37 #ifdef KERNEL_PRIVATE
  38 #include <sys/sysctl.h>
  39 #endif /* KERNEL_PRIVATE */
  40
  41 /* Kernel Events Protocol */
  42 #define SYSPROTO_EVENT          1       /* kernel events protocol */
  43
  44 /* Kernel Control Protocol */
  45 #define SYSPROTO_CONTROL        2       /* kernel control protocol */
  46 #define AF_SYS_CONTROL          2       /* corresponding sub address type */
  47
  48 /* System family socket address */
  49 struct sockaddr_sys {
  50         u_char          ss_len;         /* sizeof(struct sockaddr_sys) */
  51         u_char          ss_family;      /* AF_SYSTEM */
  52         u_int16_t       ss_sysaddr;     /* protocol address in AF_SYSTEM */
  53         u_int32_t       ss_reserved[7]; /* reserved to the protocol use */
  54 };
  55
  56 #ifdef PRIVATE
  57 struct  xsystmgen {
  58         u_int32_t       xg_len; /* length of this structure */
  59         u_int64_t       xg_count;       /* number of PCBs at this time */
  60         u_int64_t       xg_gen; /* generation count at this time */
  61         u_int64_t       xg_sogen;       /* current socket generation count */
  62 };
  63 #endif /* PRIVATE */
  64
  65 #ifdef KERNEL_PRIVATE
  66
  67 extern struct domain *systemdomain;
  68
  69 SYSCTL_DECL(_net_systm);
  70
  71 /* built in system domain protocols init function */
  72 __BEGIN_DECLS
  73 void kern_event_init(struct domain *);
  74 void kern_control_init(struct domain *);
  75 __END_DECLS
  76 #endif /* KERNEL_PRIVATE */
  77
  78 #endif /* _SYSTEM_DOMAIN_H_ */