sys/dev/drm/include/linux/capability.h

   1 /*
   2  * Copyright (c) 2015 Rimvydas Jasinskas
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice unmodified, this list of conditions, and the following
  10  *    disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25  */
  26
  27 /*
  28  * linux/capability.h
  29  *
  30  * Simple capable() priv_check helper
  31  *
  32  * Note enforced "const int" safety check
  33  */
  34
  35 #ifndef _LINUX_CAPABILITY_H
  36 #define _LINUX_CAPABILITY_H
  37
  38 #include <uapi/linux/capability.h>
  39
  40 #include <sys/globaldata.h>
  41 #include <sys/thread.h>
  42 #include <sys/caps.h>
  43
  44 struct task_struct;
  45
  46 #define CAP_SYS_ADMIN           SYSCAP_RESTRICTEDROOT
  47
  48 static inline bool
  49 capable(const int tryme)
  50 {
  51         return (caps_priv_check_self(tryme) == 0);
  52 }
  53
  54 #endif /* _LINUX_CAPABILITY_H */