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1 /*
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2 * CDDL HEADER START
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3 *
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4 * The contents of this file are subject to the terms of the
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5 * Common Development and Distribution License, Version 1.0 only
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6 * (the "License"). You may not use this file except in compliance
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7 * with the License.
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8 *
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9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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10 * or http://www.opensolaris.org/os/licensing.
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11 * See the License for the specific language governing permissions
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12 * and limitations under the License.
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13 *
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14 * When distributing Covered Code, include this CDDL HEADER in each
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15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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16 * If applicable, add the following below this CDDL HEADER, with the
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17 * fields enclosed by brackets "[]" replaced with your own identifying
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18 * information: Portions Copyright [yyyy] [name of copyright owner]
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19 *
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20 * CDDL HEADER END
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21 */
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22 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
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23 /* All Rights Reserved */
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24
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25
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26 /*
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27 * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
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28 * Use is subject to license terms.
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29 */
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30
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31 /*
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32 * Note that this file does not exist in the SVr4 base, but
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33 * is largely derived from sys/hrtcntl.h, hence the AT&T
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34 * copyright is propagated. SVr4.0 1.9
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35 */
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36
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37 #pragma ident "@(#)dispadmin.h 1.6 05/06/08 SMI"
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38
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39 /*
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40 * The following is an excerpt from <sys/hrtcntl.h>. HRT timers are not
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41 * supported by SunOS (which will support the POSIX definition). Dispadmin
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42 * uses the hrt routine _hrtnewres because it coincidentally does the
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43 * right thing. These defines allow this routine to be locally included
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44 * in dispadmin (rather than exported in libc). This should be improved in
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45 * the long term.
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46 */
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47
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48 /*
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49 * Definitions for specifying rounding mode.
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50 */
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51
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52 #define HRT_TRUNC 0 /* Round results down. */
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53 #define HRT_RND 1 /* Round results (rnd up if fractional */
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54 /* part >= .5 otherwise round down). */
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55 #define HRT_RNDUP 2 /* Always round results up. */
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56
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57 /*
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58 * Structure used to represent a high-resolution time-of-day
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59 * or interval.
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60 */
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61
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62 typedef struct hrtimer {
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63 ulong_t hrt_secs; /* Seconds. */
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64 long hrt_rem; /* A value less than a second. */
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65 ulong_t hrt_res; /* The resolution of hrt_rem. */
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66 } hrtimer_t;
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67
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68 /*
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69 * Functions in subr.c
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70 */
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71 extern void fatalerr(const char *, ...);
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72 extern long hrtconvert(hrtimer_t *);
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73 extern int _hrtnewres(hrtimer_t *, ulong_t, long);
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