xref: /xnu-10002.1.13/bsd/kern/sys_domain.c (revision 1031c584a5e37aff177559b9f69dbd3c8c3fd30a)
1 /*
2  * Copyright (c) 2000-2014 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  *	@(#)sys_domain.c       1.0 (6/1/2000)
31  */
32 
33 #include <sys/param.h>
34 #include <sys/protosw.h>
35 #include <sys/domain.h>
36 #include <sys/mcache.h>
37 #include <sys/sys_domain.h>
38 #include <sys/sysctl.h>
39 
40 struct domain *systemdomain = NULL;
41 
42 /* domain init function */
43 static void systemdomain_init(struct domain *);
44 
45 struct domain systemdomain_s = {
46 	.dom_family =           PF_SYSTEM,
47 	.dom_name =             "system",
48 	.dom_init =             systemdomain_init,
49 };
50 
51 SYSCTL_NODE(_net, PF_SYSTEM, systm,
52     CTLFLAG_RW | CTLFLAG_LOCKED, 0, "System domain");
53 
54 
55 static void
systemdomain_init(struct domain * dp)56 systemdomain_init(struct domain *dp)
57 {
58 	VERIFY(!(dp->dom_flags & DOM_INITIALIZED));
59 	VERIFY(systemdomain == NULL);
60 
61 	systemdomain = dp;
62 
63 	/* add system domain built in protocol initializers here */
64 	kern_event_init(dp);
65 	kern_control_init(dp);
66 }
67