lib/libspl/include/unistd.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, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #include_next <unistd.h>
  28
  29 #ifndef _LIBSPL_UNISTD_H
  30 #define _LIBSPL_UNISTD_H
  31
  32 #if !defined(HAVE_IOCTL_IN_UNISTD_H)
  33 #if defined(HAVE_IOCTL_IN_SYS_IOCTL_H)
  34 #include <sys/ioctl.h>
  35 #elif defined(HAVE_IOCTL_IN_STROPTS_H)
  36 #include <stropts.h>
  37 #else /* HAVE_IOCTL_IN_STROPTS_H */
  38 #error "System call ioctl() unavailable"
  39 #endif /* HAVE_IOCTL_IN_SYS_IOCTL_H */
  40 #endif /* !HAVE_IOCTL_IN_UNISTD_H */
  41
  42 #if !defined(HAVE_ISSETUGID)
  43 #include <sys/types.h>
  44 #define issetugid() (geteuid() == 0 || getegid() == 0)
  45 #endif
  46
  47 #endif /* _LIBSPL_UNISTD_H */