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annotate packages/net/tcpip/current/include/sys/kernel.h @ 115:6ed91473a1cd ecos-sw-2000-08-21

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Merge from eCos master repository on 2000-08-21-22:40:54-BST
author jlarmour
date Fri, 25 Aug 2000 17:32:38 +0000
parents ced4577552cd
children e0c0827131d1
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1 //==========================================================================
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2 //
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3 // include/sys/kernel.h
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4 //
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5 //
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6 //
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7 //==========================================================================
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8 //####COPYRIGHTBEGIN####
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9 //
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10 // -------------------------------------------
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11 // The contents of this file are subject to the Red Hat eCos Public License
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12 // Version 1.1 (the "License"); you may not use this file except in
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13 // compliance with the License. You may obtain a copy of the License at
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14 // http://www.redhat.com/
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15 //
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16 // Software distributed under the License is distributed on an "AS IS"
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17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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18 // License for the specific language governing rights and limitations under
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19 // the License.
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20 //
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21 // The Original Code is eCos - Embedded Configurable Operating System,
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22 // released September 30, 1998.
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23 //
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24 // The Initial Developer of the Original Code is Red Hat.
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25 // Portions created by Red Hat are
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26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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27 // All Rights Reserved.
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28 // -------------------------------------------
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29 //
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30 //####COPYRIGHTEND####
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31 //####BSDCOPYRIGHTBEGIN####
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32 //
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33 // -------------------------------------------
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34 //
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35 // Portions of this software may have been derived from OpenBSD or other sources,
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36 // and are covered by the appropriate copyright disclaimers included herein.
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37 //
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38 // -------------------------------------------
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39 //
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40 //####BSDCOPYRIGHTEND####
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41 //==========================================================================
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42 //#####DESCRIPTIONBEGIN####
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43 //
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44 // Author(s): gthomas
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45 // Contributors: gthomas
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46 // Date: 2000-01-10
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47 // Purpose:
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48 // Description:
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49 //
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50 //
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51 //####DESCRIPTIONEND####
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52 //
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53 //==========================================================================
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54
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55
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56 /* $OpenBSD: kernel.h,v 1.5 1996/08/11 20:39:07 niklas Exp $ */
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57 /* $NetBSD: kernel.h,v 1.11 1995/03/03 01:24:16 cgd Exp $ */
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58
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59 /*-
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60 * Copyright (c) 1990, 1993
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61 * The Regents of the University of California. All rights reserved.
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62 * (c) UNIX System Laboratories, Inc.
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63 * All or some portions of this file are derived from material licensed
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64 * to the University of California by American Telephone and Telegraph
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65 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
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66 * the permission of UNIX System Laboratories, Inc.
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67 *
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68 * Redistribution and use in source and binary forms, with or without
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69 * modification, are permitted provided that the following conditions
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70 * are met:
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71 * 1. Redistributions of source code must retain the above copyright
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72 * notice, this list of conditions and the following disclaimer.
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73 * 2. Redistributions in binary form must reproduce the above copyright
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74 * notice, this list of conditions and the following disclaimer in the
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75 * documentation and/or other materials provided with the distribution.
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76 * 3. All advertising materials mentioning features or use of this software
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77 * must display the following acknowledgement:
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78 * This product includes software developed by the University of
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79 * California, Berkeley and its contributors.
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80 * 4. Neither the name of the University nor the names of its contributors
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81 * may be used to endorse or promote products derived from this software
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82 * without specific prior written permission.
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83 *
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84 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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85 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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86 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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87 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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88 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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89 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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90 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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91 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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92 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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93 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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94 * SUCH DAMAGE.
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95 *
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96 * @(#)kernel.h 8.3 (Berkeley) 1/21/94
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97 */
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98
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99 /* Global variables for the kernel. */
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100
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101 /* 1.1 */
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102 extern long hostid;
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103 extern char hostname[MAXHOSTNAMELEN];
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104 extern int hostnamelen;
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105 extern char domainname[MAXHOSTNAMELEN];
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106 extern int domainnamelen;
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107
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108 /* 1.2 */
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109 extern volatile struct timeval mono_time;
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110 extern struct timeval boottime;
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111 extern struct timeval runtime;
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112 extern volatile struct timeval ktime;
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113 #define time ktime
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114 extern struct timezone tz; /* XXX */
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115
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116 extern int tick; /* usec per tick (1000000 / hz) */
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117 extern int tickfix; /* periodic tick adj. tick not integral */
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118 extern int tickfixinterval; /* interval at which to apply adjustment */
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119 extern int tickadj; /* "standard" clock skew, us./tick */
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120 extern int hz; /* system clock's frequency */
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121 extern int stathz; /* statistics clock's frequency */
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122 extern int profhz; /* profiling clock's frequency */
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123 extern int lbolt; /* once a second sleep address */
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124 extern int tickdelta;
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125 extern long timedelta;
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126
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127