re #13613 rb4516 Tunables needs volatile keyword

          --- old/usr/src/uts/common/sys/rctl_impl.h
          +++ new/usr/src/uts/common/sys/rctl_impl.h

   1    1  /*
   2    2   * CDDL HEADER START
   3    3   *
   4    4   * The contents of this file are subject to the terms of the
   5    5   * Common Development and Distribution License (the "License").
   6    6   * You may not use this file except in compliance with the License.
   7    7   *
   8    8   * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9    9   * or http://www.opensolaris.org/os/licensing.
  10   10   * See the License for the specific language governing permissions
  11   11   * and limitations under the License.
  12   12   *
  13   13   * When distributing Covered Code, include this CDDL HEADER in each
  14   14   * file and include the License file at usr/src/OPENSOLARIS.LICENSE.

  15   15   * If applicable, add the following below this CDDL HEADER, with the
  16   16   * fields enclosed by brackets "[]" replaced with your own identifying
  17   17   * information: Portions Copyright [yyyy] [name of copyright owner]
  18   18   *
  19   19   * CDDL HEADER END
  20   20   */
  21   21  /*
  22   22   * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  23   23   * Use is subject to license terms.
  24   24   */
       25 +/*
       26 + * Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
       27 + */
  25   28  
  26   29  #ifndef _SYS_RCTL_IMPL_H
  27   30  #define _SYS_RCTL_IMPL_H
  28   31  
  29      -#pragma ident   "%Z%%M% %I%     %E% SMI"
  30      -
  31   32  #include <sys/rctl.h>
  32   33  #include <sys/time.h>
  33   34  #include <sys/types.h>
  34   35  
  35   36  #ifdef  __cplusplus
  36   37  extern "C" {
  37   38  #endif
  38   39  
  39   40  #define RCTLCTL_GET     0
  40   41  #define RCTLCTL_SET     1

  41   42  
  42   43  #ifndef _KERNEL
  43   44  
  44   45  extern int rctlctl(const char *, rctlblk_t *, int);
  45   46  extern size_t rctllist(char *, size_t);
  46   47  extern int setprojrctl(const char *, rctlblk_t *, size_t, int);
  47   48  
  48   49  #endif /* _KERNEL */
  49   50  
  50   51  typedef struct rctl_opaque {
  51   52          rctl_qty_t      rcq_value;

  52   53          rctl_qty_t      rcq_enforced_value;
  53   54          rctl_priv_t     rcq_privilege;
  54   55          int             rcq_global_flagaction;
  55   56          int             rcq_global_syslog_level;
  56   57          int             rcq_local_flagaction;
  57   58          int             rcq_local_signal;
  58   59          id_t            rcq_local_recipient_pid;
  59   60          hrtime_t        rcq_firing_time;
  60   61  } rctl_opaque_t;
  61   62  
  62      -extern uint_t rlim_fd_cur;
  63      -extern uint_t rlim_fd_max;
       63 +extern volatile uint_t rlim_fd_cur;
       64 +extern volatile uint_t rlim_fd_max;
  64   65  
  65   66  /* Given an array of rctlblk_t calculate the address of the n'th element */
  66   67  #define RCTLBLK_INC(blk, n)     (rctlblk_t *)(((char *)blk) \
  67   68          + (n * rctlblk_size()))
  68   69  
  69   70  #ifdef  __cplusplus
  70   71  }
  71   72  #endif
  72   73  
  73   74  #endif  /* _SYS_RCTL_IMPL_H */
    

XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX