| 1 | /*
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| 2 |
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| 3 | Copyright 1991, 1993, 1994, 1998 The Open Group
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| 4 |
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| 5 | Permission to use, copy, modify, distribute, and sell this software and its
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| 6 | documentation for any purpose is hereby granted without fee, provided that
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| 7 | the above copyright notice appear in all copies and that both that
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| 8 | copyright notice and this permission notice appear in supporting
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| 9 | documentation.
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| 10 |
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| 11 | The above copyright notice and this permission notice shall be included in
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| 12 | all copies or substantial portions of the Software.
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| 13 |
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| 14 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| 15 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| 16 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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| 17 | OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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| 18 | AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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| 19 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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| 20 |
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| 21 | Except as contained in this notice, the name of The Open Group shall not be
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| 22 | used in advertising or otherwise to promote the sale, use or other dealings
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| 23 | in this Software without prior written authorization from The Open Group.
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| 24 |
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| 25 | */
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| 26 |
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| 27 | /***********************************************************
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| 28 | Copyright 1991,1993 by Digital Equipment Corporation, Maynard, Massachusetts,
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| 29 | and Olivetti Research Limited, Cambridge, England.
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| 30 |
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| 31 | All Rights Reserved
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| 32 |
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| 33 | Permission to use, copy, modify, and distribute this software and its
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| 34 | documentation for any purpose and without fee is hereby granted,
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| 35 | provided that the above copyright notice appear in all copies and that
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| 36 | both that copyright notice and this permission notice appear in
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| 37 | supporting documentation, and that the names of Digital or Olivetti
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| 38 | not be used in advertising or publicity pertaining to distribution of the
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| 39 | software without specific, written prior permission.
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| 40 |
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| 41 | DIGITAL AND OLIVETTI DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
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| 42 | SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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| 43 | FITNESS, IN NO EVENT SHALL THEY BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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| 44 | CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
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| 45 | USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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| 46 | OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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| 47 | PERFORMANCE OF THIS SOFTWARE.
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| 48 |
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| 49 | ******************************************************************/
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| 50 |
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| 51 | #ifndef _SYNCCONST_H_
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| 52 | #define _SYNCCONST_H_
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| 53 |
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| 54 | #define SYNC_NAME "SYNC"
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| 55 |
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| 56 | #define SYNC_MAJOR_VERSION 3
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| 57 | #define SYNC_MINOR_VERSION 0
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| 58 |
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| 59 |
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| 60 | #define XSyncCounterNotify 0
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| 61 | #define XSyncAlarmNotify 1
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| 62 | #define XSyncAlarmNotifyMask (1L << XSyncAlarmNotify)
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| 63 |
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| 64 | #define XSyncNumberEvents 2L
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| 65 |
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| 66 | #define XSyncBadCounter 0L
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| 67 | #define XSyncBadAlarm 1L
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| 68 | #define XSyncNumberErrors (XSyncBadAlarm + 1)
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| 69 |
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| 70 | /*
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| 71 | * Flags for Alarm Attributes
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| 72 | */
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| 73 | #define XSyncCACounter (1L<<0)
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| 74 | #define XSyncCAValueType (1L<<1)
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| 75 | #define XSyncCAValue (1L<<2)
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| 76 | #define XSyncCATestType (1L<<3)
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| 77 | #define XSyncCADelta (1L<<4)
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| 78 | #define XSyncCAEvents (1L<<5)
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| 79 |
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| 80 | /* The _XSync macros below are for library internal use only. They exist
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| 81 | * so that if we have to make a fix, we can change it in this one place
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| 82 | * and have both the macro and function variants inherit the fix.
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| 83 | */
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| 84 |
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| 85 | #define _XSyncIntToValue(pv, i) ((pv)->hi=((i<0)?~0:0),(pv)->lo=(i))
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| 86 | #define _XSyncIntsToValue(pv, l, h) ((pv)->lo = (l), (pv)->hi = (h))
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| 87 | #define _XSyncValueGreaterThan(a, b)\
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| 88 | ((a).hi>(b).hi || ((a).hi==(b).hi && (a).lo>(b).lo))
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| 89 | #define _XSyncValueLessThan(a, b)\
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| 90 | ((a).hi<(b).hi || ((a).hi==(b).hi && (a).lo<(b).lo))
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| 91 | #define _XSyncValueGreaterOrEqual(a, b)\
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| 92 | ((a).hi>(b).hi || ((a).hi==(b).hi && (a).lo>=(b).lo))
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| 93 | #define _XSyncValueLessOrEqual(a, b)\
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| 94 | ((a).hi<(b).hi || ((a).hi==(b).hi && (a).lo<=(b).lo))
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| 95 | #define _XSyncValueEqual(a, b) ((a).lo==(b).lo && (a).hi==(b).hi)
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| 96 | #define _XSyncValueIsNegative(v) (((v).hi & 0x80000000) ? 1 : 0)
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| 97 | #define _XSyncValueIsZero(a) ((a).lo==0 && (a).hi==0)
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| 98 | #define _XSyncValueIsPositive(v) (((v).hi & 0x80000000) ? 0 : 1)
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| 99 | #define _XSyncValueLow32(v) ((v).lo)
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| 100 | #define _XSyncValueHigh32(v) ((v).hi)
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| 101 | #define _XSyncValueAdd(presult,a,b,poverflow) {\
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| 102 | int t = (a).lo;\
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| 103 | Bool signa = XSyncValueIsNegative(a);\
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| 104 | Bool signb = XSyncValueIsNegative(b);\
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| 105 | ((presult)->lo = (a).lo + (b).lo);\
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| 106 | ((presult)->hi = (a).hi + (b).hi);\
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| 107 | if (t>(presult)->lo) (presult)->hi++;\
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| 108 | *poverflow = ((signa == signb) && !(signa == XSyncValueIsNegative(*presult)));\
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| 109 | }
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| 110 | #define _XSyncValueSubtract(presult,a,b,poverflow) {\
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| 111 | int t = (a).lo;\
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| 112 | Bool signa = XSyncValueIsNegative(a);\
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| 113 | Bool signb = XSyncValueIsNegative(b);\
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| 114 | ((presult)->lo = (a).lo - (b).lo);\
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| 115 | ((presult)->hi = (a).hi - (b).hi);\
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| 116 | if (t<(presult)->lo) (presult)->hi--;\
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| 117 | *poverflow = ((signa == signb) && !(signa == XSyncValueIsNegative(*presult)));\
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| 118 | }
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| 119 | #define _XSyncMaxValue(pv) ((pv)->hi = 0x7fffffff, (pv)->lo = 0xffffffff)
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| 120 | #define _XSyncMinValue(pv) ((pv)->hi = 0x80000000, (pv)->lo = 0)
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| 121 |
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| 122 | /*
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| 123 | * These are the publically usable macros. If you want the function version
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| 124 | * of one of these, just #undef the macro to uncover the function.
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| 125 | * (This is the same convention that the ANSI C library uses.)
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| 126 | */
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| 127 |
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| 128 | #define XSyncIntToValue(pv, i) _XSyncIntToValue(pv, i)
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| 129 | #define XSyncIntsToValue(pv, l, h) _XSyncIntsToValue(pv, l, h)
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| 130 | #define XSyncValueGreaterThan(a, b) _XSyncValueGreaterThan(a, b)
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| 131 | #define XSyncValueLessThan(a, b) _XSyncValueLessThan(a, b)
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| 132 | #define XSyncValueGreaterOrEqual(a, b) _XSyncValueGreaterOrEqual(a, b)
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| 133 | #define XSyncValueLessOrEqual(a, b) _XSyncValueLessOrEqual(a, b)
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| 134 | #define XSyncValueEqual(a, b) _XSyncValueEqual(a, b)
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| 135 | #define XSyncValueIsNegative(v) _XSyncValueIsNegative(v)
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| 136 | #define XSyncValueIsZero(a) _XSyncValueIsZero(a)
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| 137 | #define XSyncValueIsPositive(v) _XSyncValueIsPositive(v)
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| 138 | #define XSyncValueLow32(v) _XSyncValueLow32(v)
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| 139 | #define XSyncValueHigh32(v) _XSyncValueHigh32(v)
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| 140 | #define XSyncValueAdd(presult,a,b,poverflow) _XSyncValueAdd(presult,a,b,poverflow)
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| 141 | #define XSyncValueSubtract(presult,a,b,poverflow) _XSyncValueSubtract(presult,a,b,poverflow)
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| 142 | #define XSyncMaxValue(pv) _XSyncMaxValue(pv)
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| 143 | #define XSyncMinValue(pv) _XSyncMinValue(pv)
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| 144 |
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| 145 | /*
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| 146 | * Constants for the value_type argument of various requests
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| 147 | */
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| 148 | typedef enum {
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| 149 | XSyncAbsolute,
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| 150 | XSyncRelative
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| 151 | } XSyncValueType;
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| 152 |
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| 153 | /*
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| 154 | * Alarm Test types
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| 155 | */
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| 156 | typedef enum {
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| 157 | XSyncPositiveTransition,
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| 158 | XSyncNegativeTransition,
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| 159 | XSyncPositiveComparison,
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| 160 | XSyncNegativeComparison
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| 161 | } XSyncTestType;
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| 162 |
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| 163 | /*
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| 164 | * Alarm state constants
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| 165 | */
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| 166 | typedef enum {
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| 167 | XSyncAlarmActive,
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| 168 | XSyncAlarmInactive,
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| 169 | XSyncAlarmDestroyed
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| 170 | } XSyncAlarmState;
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| 171 |
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| 172 |
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| 173 | typedef XID XSyncCounter;
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| 174 | typedef XID XSyncAlarm;
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| 175 | typedef struct _XSyncValue {
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| 176 | int hi;
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| 177 | unsigned int lo;
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| 178 | } XSyncValue;
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| 179 | #endif /* _SYNCCONST_H_ */
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