lib/libspl/include/zone.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or https://opensource.org/licenses/CDDL-1.0.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26 #ifndef _LIBSPL_ZONE_H
  27 #define _LIBSPL_ZONE_H
  28
  29 #include <sys/types.h>
  30 #include <sys/zone.h>
  31
  32 #ifdef  __cplusplus
  33 extern "C" {
  34 #endif
  35
  36 #ifdef __FreeBSD__
  37 #define GLOBAL_ZONEID   0
  38 #else
  39 /*
  40  * Hardcoded in the kernel's root user namespace.  A "better" way to get
  41  * this would be by using ioctl_ns(2), but this would need to be performed
  42  * recursively on NS_GET_PARENT and then NS_GET_USERNS.  Also, that's only
  43  * supported since Linux 4.9.
  44  */
  45 #define GLOBAL_ZONEID   4026531837U
  46 #endif
  47
  48 extern zoneid_t         getzoneid(void);
  49
  50 #ifdef  __cplusplus
  51 }
  52 #endif
  53
  54 #endif /* _LIBSPL_ZONE_H */