usr/src/cmd/dispadmin/dispadmin.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 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  23 /*        All Rights Reserved   */
  24
  25
  26 /*
  27  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  28  * Use is subject to license terms.
  29  */
  30
  31 /*
  32  *      Note that this file does not exist in the SVr4 base, but
  33  *      is largely derived from sys/hrtcntl.h, hence the AT&T
  34  *      copyright is propagated.  SVr4.0 1.9
  35  */
  36
  37 #pragma ident   "%Z%%M% %I%     %E% SMI"
  38
  39 /*
  40  * The following is an excerpt from <sys/hrtcntl.h>. HRT timers are not
  41  * supported by SunOS (which will support the POSIX definition). Dispadmin
  42  * uses the hrt routine _hrtnewres because it coincidentally does the
  43  * right thing. These defines allow this routine to be locally included
  44  * in dispadmin (rather than exported in libc). This should be improved in
  45  * the long term.
  46  */
  47
  48 /*
  49  *      Definitions for specifying rounding mode.
  50  */
  51
  52 #define HRT_TRUNC       0       /* Round results down.  */
  53 #define HRT_RND         1       /* Round results (rnd up if fractional  */
  54                                 /*   part >= .5 otherwise round down).  */
  55 #define HRT_RNDUP       2       /* Always round results up.     */
  56
  57 /*
  58  *      Structure used to represent a high-resolution time-of-day
  59  *      or interval.
  60  */
  61
  62 typedef struct hrtimer {
  63         ulong_t hrt_secs;       /* Seconds.                             */
  64         long    hrt_rem;        /* A value less than a second.          */
  65         ulong_t hrt_res;        /* The resolution of hrt_rem.           */
  66 } hrtimer_t;
  67
  68 /*
  69  * Functions in subr.c
  70  */
  71 extern void fatalerr(const char *, ...);
  72 extern long hrtconvert(hrtimer_t *);
  73 extern int _hrtnewres(hrtimer_t *, ulong_t, long);