xref: /freebsd/sys/contrib/openzfs/lib/libspl/include/zone.h (revision 61145dc2b94f12f6a47344fb9aac702321880e43)
1*61145dc2SMartin Matuska // SPDX-License-Identifier: CDDL-1.0
2eda14cbcSMatt Macy /*
3eda14cbcSMatt Macy  * CDDL HEADER START
4eda14cbcSMatt Macy  *
5eda14cbcSMatt Macy  * The contents of this file are subject to the terms of the
6eda14cbcSMatt Macy  * Common Development and Distribution License (the "License").
7eda14cbcSMatt Macy  * You may not use this file except in compliance with the License.
8eda14cbcSMatt Macy  *
9eda14cbcSMatt Macy  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10271171e0SMartin Matuska  * or https://opensource.org/licenses/CDDL-1.0.
11eda14cbcSMatt Macy  * See the License for the specific language governing permissions
12eda14cbcSMatt Macy  * and limitations under the License.
13eda14cbcSMatt Macy  *
14eda14cbcSMatt Macy  * When distributing Covered Code, include this CDDL HEADER in each
15eda14cbcSMatt Macy  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16eda14cbcSMatt Macy  * If applicable, add the following below this CDDL HEADER, with the
17eda14cbcSMatt Macy  * fields enclosed by brackets "[]" replaced with your own identifying
18eda14cbcSMatt Macy  * information: Portions Copyright [yyyy] [name of copyright owner]
19eda14cbcSMatt Macy  *
20eda14cbcSMatt Macy  * CDDL HEADER END
21eda14cbcSMatt Macy  */
22eda14cbcSMatt Macy /*
23eda14cbcSMatt Macy  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
24eda14cbcSMatt Macy  * Use is subject to license terms.
25eda14cbcSMatt Macy  */
26eda14cbcSMatt Macy 
27eda14cbcSMatt Macy #ifndef _LIBSPL_ZONE_H
28eda14cbcSMatt Macy #define	_LIBSPL_ZONE_H
29eda14cbcSMatt Macy 
30eda14cbcSMatt Macy #include <sys/types.h>
31eda14cbcSMatt Macy #include <sys/zone.h>
32eda14cbcSMatt Macy 
33eda14cbcSMatt Macy #ifdef	__cplusplus
34eda14cbcSMatt Macy extern "C" {
35eda14cbcSMatt Macy #endif
36eda14cbcSMatt Macy 
371f1e2261SMartin Matuska #ifdef __FreeBSD__
38eda14cbcSMatt Macy #define	GLOBAL_ZONEID	0
391f1e2261SMartin Matuska #else
401f1e2261SMartin Matuska /*
411f1e2261SMartin Matuska  * Hardcoded in the kernel's root user namespace.  A "better" way to get
421f1e2261SMartin Matuska  * this would be by using ioctl_ns(2), but this would need to be performed
431f1e2261SMartin Matuska  * recursively on NS_GET_PARENT and then NS_GET_USERNS.  Also, that's only
441f1e2261SMartin Matuska  * supported since Linux 4.9.
451f1e2261SMartin Matuska  */
461f1e2261SMartin Matuska #define	GLOBAL_ZONEID	4026531837U
471f1e2261SMartin Matuska #endif
48eda14cbcSMatt Macy 
49eda14cbcSMatt Macy extern zoneid_t		getzoneid(void);
50eda14cbcSMatt Macy 
51eda14cbcSMatt Macy #ifdef	__cplusplus
52eda14cbcSMatt Macy }
53eda14cbcSMatt Macy #endif
54eda14cbcSMatt Macy 
55eda14cbcSMatt Macy #endif /* _LIBSPL_ZONE_H */
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