xref: /freebsd-src/sys/contrib/openzfs/lib/libspl/include/zone.h (revision 271171e0d97b88ba2a7c3bf750c9672b484c1c13)
1eda14cbcSMatt Macy /*
2eda14cbcSMatt Macy  * CDDL HEADER START
3eda14cbcSMatt Macy  *
4eda14cbcSMatt Macy  * The contents of this file are subject to the terms of the
5eda14cbcSMatt Macy  * Common Development and Distribution License (the "License").
6eda14cbcSMatt Macy  * You may not use this file except in compliance with the License.
7eda14cbcSMatt Macy  *
8eda14cbcSMatt Macy  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*271171e0SMartin Matuska  * or https://opensource.org/licenses/CDDL-1.0.
10eda14cbcSMatt Macy  * See the License for the specific language governing permissions
11eda14cbcSMatt Macy  * and limitations under the License.
12eda14cbcSMatt Macy  *
13eda14cbcSMatt Macy  * When distributing Covered Code, include this CDDL HEADER in each
14eda14cbcSMatt Macy  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15eda14cbcSMatt Macy  * If applicable, add the following below this CDDL HEADER, with the
16eda14cbcSMatt Macy  * fields enclosed by brackets "[]" replaced with your own identifying
17eda14cbcSMatt Macy  * information: Portions Copyright [yyyy] [name of copyright owner]
18eda14cbcSMatt Macy  *
19eda14cbcSMatt Macy  * CDDL HEADER END
20eda14cbcSMatt Macy  */
21eda14cbcSMatt Macy /*
22eda14cbcSMatt Macy  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
23eda14cbcSMatt Macy  * Use is subject to license terms.
24eda14cbcSMatt Macy  */
25eda14cbcSMatt Macy 
26eda14cbcSMatt Macy #ifndef _LIBSPL_ZONE_H
27eda14cbcSMatt Macy #define	_LIBSPL_ZONE_H
28eda14cbcSMatt Macy 
29eda14cbcSMatt Macy #include <sys/types.h>
30eda14cbcSMatt Macy #include <sys/zone.h>
31eda14cbcSMatt Macy 
32eda14cbcSMatt Macy #ifdef	__cplusplus
33eda14cbcSMatt Macy extern "C" {
34eda14cbcSMatt Macy #endif
35eda14cbcSMatt Macy 
361f1e2261SMartin Matuska #ifdef __FreeBSD__
37eda14cbcSMatt Macy #define	GLOBAL_ZONEID	0
381f1e2261SMartin Matuska #else
391f1e2261SMartin Matuska /*
401f1e2261SMartin Matuska  * Hardcoded in the kernel's root user namespace.  A "better" way to get
411f1e2261SMartin Matuska  * this would be by using ioctl_ns(2), but this would need to be performed
421f1e2261SMartin Matuska  * recursively on NS_GET_PARENT and then NS_GET_USERNS.  Also, that's only
431f1e2261SMartin Matuska  * supported since Linux 4.9.
441f1e2261SMartin Matuska  */
451f1e2261SMartin Matuska #define	GLOBAL_ZONEID	4026531837U
461f1e2261SMartin Matuska #endif
47eda14cbcSMatt Macy 
48eda14cbcSMatt Macy extern zoneid_t		getzoneid(void);
49eda14cbcSMatt Macy 
50eda14cbcSMatt Macy #ifdef	__cplusplus
51eda14cbcSMatt Macy }
52eda14cbcSMatt Macy #endif
53eda14cbcSMatt Macy 
54eda14cbcSMatt Macy #endif /* _LIBSPL_ZONE_H */
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