usr/src/uts/common/sys/lock.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 2014 Garrett D'Amore <garrett@damore.org>
  24  */
  25 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  26 /*        All Rights Reserved   */
  27
  28
  29 #ifndef _SYS_LOCK_H
  30 #define _SYS_LOCK_H
  31
  32 #ifdef  __cplusplus
  33 extern "C" {
  34 #endif
  35
  36 /*
  37  * flags for locking procs and texts
  38  */
  39 #define UNLOCK   0
  40 #define PROCLOCK 1
  41 #define TXTLOCK  2
  42 #define DATLOCK  4
  43
  44 #ifdef _KERNEL
  45
  46 #define MEMLOCK  8
  47
  48 int punlock(void);
  49
  50 #else
  51
  52 int plock(int);
  53
  54 #endif  /* _KERNEL */
  55
  56 #ifdef  __cplusplus
  57 }
  58 #endif
  59
  60 #endif  /* _SYS_LOCK_H */