| /* |
| |
| Copyright 1991, 1993, 1994, 1998 The Open Group |
| |
| Permission to use, copy, modify, distribute, and sell this software and its |
| documentation for any purpose is hereby granted without fee, provided that |
| the above copyright notice appear in all copies and that both that |
| copyright notice and this permission notice appear in supporting |
| documentation. |
| |
| The above copyright notice and this permission notice shall be included in |
| all copies or substantial portions of the Software. |
| |
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN |
| AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| |
| Except as contained in this notice, the name of The Open Group shall not be |
| used in advertising or otherwise to promote the sale, use or other dealings |
| in this Software without prior written authorization from The Open Group. |
| |
| */ |
| |
| /*********************************************************** |
| Copyright 1991,1993 by Digital Equipment Corporation, Maynard, Massachusetts, |
| and Olivetti Research Limited, Cambridge, England. |
| |
| All Rights Reserved |
| |
| Permission to use, copy, modify, and distribute this software and its |
| documentation for any purpose and without fee is hereby granted, |
| provided that the above copyright notice appear in all copies and that |
| both that copyright notice and this permission notice appear in |
| supporting documentation, and that the names of Digital or Olivetti |
| not be used in advertising or publicity pertaining to distribution of the |
| software without specific, written prior permission. |
| |
| DIGITAL AND OLIVETTI DISCLAIM ALL WARRANTIES WITH REGARD TO THIS |
| SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| FITNESS, IN NO EVENT SHALL THEY BE LIABLE FOR ANY SPECIAL, INDIRECT OR |
| CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF |
| USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR |
| OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| PERFORMANCE OF THIS SOFTWARE. |
| |
| ******************************************************************/ |
| |
| #ifndef _SYNCCONST_H_ |
| #define _SYNCCONST_H_ |
| |
| #define SYNC_NAME "SYNC" |
| |
| #define SYNC_MAJOR_VERSION 3 |
| #define SYNC_MINOR_VERSION 1 |
| |
| |
| #define XSyncCounterNotify 0 |
| #define XSyncAlarmNotify 1 |
| #define XSyncAlarmNotifyMask (1L << XSyncAlarmNotify) |
| |
| #define XSyncNumberEvents 2L |
| |
| #define XSyncBadCounter 0L |
| #define XSyncBadAlarm 1L |
| #define XSyncBadFence 2L |
| #define XSyncNumberErrors (XSyncBadFence + 1) |
| |
| /* |
| * Flags for Alarm Attributes |
| */ |
| #define XSyncCACounter (1L<<0) |
| #define XSyncCAValueType (1L<<1) |
| #define XSyncCAValue (1L<<2) |
| #define XSyncCATestType (1L<<3) |
| #define XSyncCADelta (1L<<4) |
| #define XSyncCAEvents (1L<<5) |
| |
| /* The _XSync macros below are for library internal use only. They exist |
| * so that if we have to make a fix, we can change it in this one place |
| * and have both the macro and function variants inherit the fix. |
| */ |
| |
| #define _XSyncIntToValue(pv, i) ((pv)->hi=((i<0)?~0:0),(pv)->lo=(i)) |
| #define _XSyncIntsToValue(pv, l, h) ((pv)->lo = (l), (pv)->hi = (h)) |
| #define _XSyncValueGreaterThan(a, b)\ |
| ((a).hi>(b).hi || ((a).hi==(b).hi && (a).lo>(b).lo)) |
| #define _XSyncValueLessThan(a, b)\ |
| ((a).hi<(b).hi || ((a).hi==(b).hi && (a).lo<(b).lo)) |
| #define _XSyncValueGreaterOrEqual(a, b)\ |
| ((a).hi>(b).hi || ((a).hi==(b).hi && (a).lo>=(b).lo)) |
| #define _XSyncValueLessOrEqual(a, b)\ |
| ((a).hi<(b).hi || ((a).hi==(b).hi && (a).lo<=(b).lo)) |
| #define _XSyncValueEqual(a, b) ((a).lo==(b).lo && (a).hi==(b).hi) |
| #define _XSyncValueIsNegative(v) (((v).hi & 0x80000000) ? 1 : 0) |
| #define _XSyncValueIsZero(a) ((a).lo==0 && (a).hi==0) |
| #define _XSyncValueIsPositive(v) (((v).hi & 0x80000000) ? 0 : 1) |
| #define _XSyncValueLow32(v) ((v).lo) |
| #define _XSyncValueHigh32(v) ((v).hi) |
| #define _XSyncValueAdd(presult,a,b,poverflow) {\ |
| int t = (a).lo;\ |
| Bool signa = XSyncValueIsNegative(a);\ |
| Bool signb = XSyncValueIsNegative(b);\ |
| ((presult)->lo = (a).lo + (b).lo);\ |
| ((presult)->hi = (a).hi + (b).hi);\ |
| if (t>(presult)->lo) (presult)->hi++;\ |
| *poverflow = ((signa == signb) && !(signa == XSyncValueIsNegative(*presult)));\ |
| } |
| #define _XSyncValueSubtract(presult,a,b,poverflow) {\ |
| int t = (a).lo;\ |
| Bool signa = XSyncValueIsNegative(a);\ |
| Bool signb = XSyncValueIsNegative(b);\ |
| ((presult)->lo = (a).lo - (b).lo);\ |
| ((presult)->hi = (a).hi - (b).hi);\ |
| if (t<(presult)->lo) (presult)->hi--;\ |
| *poverflow = ((signa == signb) && !(signa == XSyncValueIsNegative(*presult)));\ |
| } |
| #define _XSyncMaxValue(pv) ((pv)->hi = 0x7fffffff, (pv)->lo = 0xffffffff) |
| #define _XSyncMinValue(pv) ((pv)->hi = 0x80000000, (pv)->lo = 0) |
| |
| /* |
| * These are the publically usable macros. If you want the function version |
| * of one of these, just #undef the macro to uncover the function. |
| * (This is the same convention that the ANSI C library uses.) |
| */ |
| |
| #define XSyncIntToValue(pv, i) _XSyncIntToValue(pv, i) |
| #define XSyncIntsToValue(pv, l, h) _XSyncIntsToValue(pv, l, h) |
| #define XSyncValueGreaterThan(a, b) _XSyncValueGreaterThan(a, b) |
| #define XSyncValueLessThan(a, b) _XSyncValueLessThan(a, b) |
| #define XSyncValueGreaterOrEqual(a, b) _XSyncValueGreaterOrEqual(a, b) |
| #define XSyncValueLessOrEqual(a, b) _XSyncValueLessOrEqual(a, b) |
| #define XSyncValueEqual(a, b) _XSyncValueEqual(a, b) |
| #define XSyncValueIsNegative(v) _XSyncValueIsNegative(v) |
| #define XSyncValueIsZero(a) _XSyncValueIsZero(a) |
| #define XSyncValueIsPositive(v) _XSyncValueIsPositive(v) |
| #define XSyncValueLow32(v) _XSyncValueLow32(v) |
| #define XSyncValueHigh32(v) _XSyncValueHigh32(v) |
| #define XSyncValueAdd(presult,a,b,poverflow) _XSyncValueAdd(presult,a,b,poverflow) |
| #define XSyncValueSubtract(presult,a,b,poverflow) _XSyncValueSubtract(presult,a,b,poverflow) |
| #define XSyncMaxValue(pv) _XSyncMaxValue(pv) |
| #define XSyncMinValue(pv) _XSyncMinValue(pv) |
| |
| /* |
| * Constants for the value_type argument of various requests |
| */ |
| typedef enum { |
| XSyncAbsolute, |
| XSyncRelative |
| } XSyncValueType; |
| |
| /* |
| * Alarm Test types |
| */ |
| typedef enum { |
| XSyncPositiveTransition, |
| XSyncNegativeTransition, |
| XSyncPositiveComparison, |
| XSyncNegativeComparison |
| } XSyncTestType; |
| |
| /* |
| * Alarm state constants |
| */ |
| typedef enum { |
| XSyncAlarmActive, |
| XSyncAlarmInactive, |
| XSyncAlarmDestroyed |
| } XSyncAlarmState; |
| |
| |
| typedef XID XSyncCounter; |
| typedef XID XSyncAlarm; |
| typedef XID XSyncFence; |
| typedef struct _XSyncValue { |
| int hi; |
| unsigned int lo; |
| } XSyncValue; |
| #endif /* _SYNCCONST_H_ */ |
