Added libXext

1 files changed, 798 insertions, 0 deletions

diff --git a/libXext/src/XSync.c b/libXext/src/XSync.c
new file mode 100644
index 000000000..ce76dd37a
--- /dev/null
+++ b/libXext/src/XSync.c
@@ -0,0 +1,798 @@
+/*
+
+Copyright 1991, 1993, 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.
+
+******************************************************************/
+/* $XFree86: xc/lib/Xext/XSync.c,v 1.7tsi Exp $ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#define NEED_EVENTS
+#define NEED_REPLIES
+#include <X11/Xlibint.h>
+#include <X11/extensions/Xext.h>
+#include <X11/extensions/extutil.h>
+#include <X11/extensions/sync.h>
+#include <X11/extensions/syncproto.h>
+
+static XExtensionInfo _sync_info_data;
+static XExtensionInfo *sync_info = &_sync_info_data;
+static char    *sync_extension_name = SYNC_NAME;
+
+#define SyncCheckExtension(dpy,i,val) \
+		XextCheckExtension(dpy, i, sync_extension_name, val)
+#define SyncSimpleCheckExtension(dpy,i) \
+		XextSimpleCheckExtension(dpy, i, sync_extension_name)
+
+static int      close_display(Display *dpy, XExtCodes *codes);
+static Bool wire_to_event(Display *dpy, XEvent *event, xEvent *wire);
+static Status event_to_wire(Display *dpy, XEvent *event, xEvent *wire);
+static char    *error_string(Display *dpy, int code, XExtCodes *codes,
+			     char *buf, int n);
+
+static XExtensionHooks sync_extension_hooks = {
+    NULL,			/* create_gc */
+    NULL,			/* copy_gc */
+    NULL,			/* flush_gc */
+    NULL,			/* free_gc */
+    NULL,			/* create_font */
+    NULL,			/* free_font */
+    close_display,		/* close_display */
+    wire_to_event,		/* wire_to_event */
+    event_to_wire,		/* event_to_wire */
+    NULL,			/* error */
+    error_string,		/* error_string */
+};
+
+static char    *sync_error_list[] = {
+    "BadCounter",
+    "BadAlarm",
+};
+
+static
+XEXT_GENERATE_FIND_DISPLAY(find_display, sync_info,
+			   sync_extension_name,
+			   &sync_extension_hooks,
+			   XSyncNumberEvents, (XPointer) NULL)
+
+static
+XEXT_GENERATE_CLOSE_DISPLAY(close_display, sync_info)
+
+static
+XEXT_GENERATE_ERROR_STRING(error_string, sync_extension_name,
+			   XSyncNumberErrors, sync_error_list)
+
+
+static Bool
+wire_to_event(Display *dpy, XEvent *event, xEvent *wire)
+{
+    XExtDisplayInfo *info = find_display(dpy);
+    XSyncCounterNotifyEvent *aevent;
+    xSyncCounterNotifyEvent *awire;
+    XSyncAlarmNotifyEvent *anl;
+    xSyncAlarmNotifyEvent *ane;
+
+    SyncCheckExtension(dpy, info, False);
+
+    switch ((wire->u.u.type & 0x7F) - info->codes->first_event)
+    {
+      case XSyncCounterNotify:
+	awire = (xSyncCounterNotifyEvent *) wire;
+	aevent = (XSyncCounterNotifyEvent *) event;
+	aevent->type = awire->type & 0x7F;
+	aevent->serial = _XSetLastRequestRead(dpy,
+					      (xGenericReply *) wire);
+	aevent->send_event = (awire->type & 0x80) != 0;
+	aevent->display = dpy;
+	aevent->counter = awire->counter;
+	XSyncIntsToValue(&aevent->wait_value, awire->wait_value_lo,
+				    awire->wait_value_hi);
+	XSyncIntsToValue(&aevent->counter_value,
+				    awire->counter_value_lo,
+				    awire->counter_value_hi);
+	aevent->time = awire->time;
+	aevent->count = awire->count;
+	aevent->destroyed = awire->destroyed;
+	return True;
+
+      case XSyncAlarmNotify:
+	ane = (xSyncAlarmNotifyEvent *) wire;	/* ENCODING EVENT PTR */
+	anl = (XSyncAlarmNotifyEvent *) event;	/* LIBRARY EVENT PTR */
+	anl->type = ane->type & 0x7F;
+	anl->serial = _XSetLastRequestRead(dpy,
+					   (xGenericReply *) wire);
+	anl->send_event = (ane->type & 0x80) != 0;
+	anl->display = dpy;
+	anl->alarm = ane->alarm;
+	XSyncIntsToValue(&anl->counter_value,
+				    ane->counter_value_lo,
+				    ane->counter_value_hi);
+	XSyncIntsToValue(&anl->alarm_value,
+				    ane->alarm_value_lo,
+				    ane->alarm_value_hi);
+	anl->state = (XSyncAlarmState)ane->state;
+	anl->time = ane->time;
+	return True;
+    }
+
+    return False;
+}
+
+static Status
+event_to_wire(Display *dpy, XEvent *event, xEvent *wire)
+{
+    XExtDisplayInfo *info = find_display(dpy);
+    XSyncCounterNotifyEvent *aevent;
+    xSyncCounterNotifyEvent *awire;
+    XSyncAlarmNotifyEvent *anl;
+    xSyncAlarmNotifyEvent *ane;
+
+    SyncCheckExtension(dpy, info, False);
+
+    switch ((event->type & 0x7F) - info->codes->first_event)
+    {
+      case XSyncCounterNotify:
+	awire = (xSyncCounterNotifyEvent *) wire;
+	aevent = (XSyncCounterNotifyEvent *) event;
+	awire->type = aevent->type | (aevent->send_event ? 0x80 : 0);
+	awire->sequenceNumber = aevent->serial & 0xFFFF;
+	awire->counter = aevent->counter;
+	awire->wait_value_lo = XSyncValueLow32(aevent->wait_value);
+	awire->wait_value_hi = XSyncValueHigh32(aevent->wait_value);
+	awire->counter_value_lo = XSyncValueLow32(aevent->counter_value);
+	awire->counter_value_hi = XSyncValueHigh32(aevent->counter_value);
+	awire->time = aevent->time;
+	awire->count = aevent->count;
+	awire->destroyed = aevent->destroyed;
+	return True;
+
+      case XSyncAlarmNotify:
+	ane = (xSyncAlarmNotifyEvent *) wire;	/* ENCODING EVENT PTR */
+	anl = (XSyncAlarmNotifyEvent *) event;	/* LIBRARY EVENT PTR */
+	ane->type = anl->type | (anl->send_event ? 0x80 : 0);
+	ane->sequenceNumber = anl->serial & 0xFFFF;
+	ane->alarm = anl->alarm;
+	ane->counter_value_lo = XSyncValueLow32(anl->counter_value);
+	ane->counter_value_hi = XSyncValueHigh32(anl->counter_value);
+	ane->alarm_value_lo = XSyncValueLow32(anl->alarm_value);
+	ane->alarm_value_hi = XSyncValueHigh32(anl->alarm_value);
+	ane->state = anl->state;
+	ane->time = anl->time;
+	return True;
+    }
+    return False;
+}
+
+Status
+XSyncQueryExtension(
+    Display *dpy,
+    int *event_base_return, int *error_base_return)
+{
+    XExtDisplayInfo *info = find_display(dpy);
+
+    if (XextHasExtension(info))
+    {
+	*event_base_return = info->codes->first_event;
+	*error_base_return = info->codes->first_error;
+	return True;
+    }
+    else
+	return False;
+}
+
+Status
+XSyncInitialize(
+    Display *dpy,
+    int *major_version_return, int *minor_version_return)
+{
+    XExtDisplayInfo *info = find_display(dpy);
+    xSyncInitializeReply rep;
+    xSyncInitializeReq *req;
+
+    SyncCheckExtension(dpy, info, False);
+
+    LockDisplay(dpy);
+    GetReq(SyncInitialize, req);
+    req->reqType = info->codes->major_opcode;
+    req->syncReqType = X_SyncInitialize;
+    req->majorVersion = SYNC_MAJOR_VERSION;
+    req->minorVersion = SYNC_MINOR_VERSION;
+    if (!_XReply(dpy, (xReply *) & rep, 0, xTrue))
+    {
+	UnlockDisplay(dpy);
+	SyncHandle();
+	return False;
+    }
+    UnlockDisplay(dpy);
+    SyncHandle();
+    *major_version_return = rep.majorVersion;
+    *minor_version_return = rep.minorVersion;
+    return ((rep.majorVersion == SYNC_MAJOR_VERSION)
+#if SYNC_MINOR_VERSION > 0	/* avoid compiler warning */
+	    && (rep.minorVersion >= SYNC_MINOR_VERSION)
+#endif
+	    );
+}
+
+XSyncSystemCounter *
+XSyncListSystemCounters(Display *dpy, int *n_counters_return)
+{
+    XExtDisplayInfo *info = find_display(dpy);
+    xSyncListSystemCountersReply rep;
+    xSyncListSystemCountersReq *req;
+    XSyncSystemCounter *list = NULL;
+
+    SyncCheckExtension(dpy, info, NULL);
+
+    LockDisplay(dpy);
+    GetReq(SyncListSystemCounters, req);
+    req->reqType = info->codes->major_opcode;
+    req->syncReqType = X_SyncListSystemCounters;
+    if (!_XReply(dpy, (xReply *) & rep, 0, xFalse))
+	goto bail;
+
+    *n_counters_return = rep.nCounters;
+    if (rep.nCounters > 0)
+    {
+	xSyncSystemCounter *pWireSysCounter, *pNextWireSysCounter;
+	XSyncCounter counter;
+	int replylen;
+	int i;
+
+	list = Xmalloc(rep.nCounters * sizeof(XSyncSystemCounter));
+	replylen = rep.length << 2;
+	pWireSysCounter = Xmalloc ((unsigned) replylen + sizeof(XSyncCounter));
+        /* +1 to leave room for last counter read-ahead */
+
+	if ((!list) || (!pWireSysCounter))
+	{
+	    if (list) Xfree((char *) list);
+	    if (pWireSysCounter)   Xfree((char *) pWireSysCounter);
+	    _XEatData(dpy, (unsigned long) replylen);
+	    list = NULL;
+	    goto bail;
+	}
+
+	_XReadPad(dpy, (char *)pWireSysCounter, replylen);
+
+	counter = pWireSysCounter->counter;
+	for (i = 0; i < rep.nCounters; i++)
+	{
+	    list[i].counter = counter;
+	    XSyncIntsToValue(&list[i].resolution,
+					pWireSysCounter->resolution_lo,
+					pWireSysCounter->resolution_hi);
+
+	    /* we may be about to clobber the counter field of the
+	     * next syscounter because we have to add a null terminator
+	     * to the counter name string.  So we save the next counter
+	     * here.
+	     */
+	    pNextWireSysCounter = (xSyncSystemCounter *)
+		(((char *)pWireSysCounter) + ((SIZEOF(xSyncSystemCounter) +
+				     pWireSysCounter->name_length + 3) & ~3));
+	    counter = pNextWireSysCounter->counter;
+
+	    list[i].name = ((char *)pWireSysCounter) +
+						SIZEOF(xSyncSystemCounter);
+	    /* null-terminate the string */
+	    *(list[i].name + pWireSysCounter->name_length) = '\0';
+	    pWireSysCounter = pNextWireSysCounter;
+	}
+    }
+
+bail:
+    UnlockDisplay(dpy);
+    SyncHandle();
+    return list;
+}
+
+void
+XSyncFreeSystemCounterList(XSyncSystemCounter *list)
+{
+    if (list)
+    {
+	Xfree( ((char *)list[0].name) - SIZEOF(xSyncSystemCounter));
+	Xfree(list);
+    }
+}
+
+
+XSyncCounter 
+XSyncCreateCounter(Display *dpy, XSyncValue initial_value)
+{
+    XExtDisplayInfo *info = find_display(dpy);
+    xSyncCreateCounterReq *req;
+
+    SyncCheckExtension(dpy, info, None);
+
+    LockDisplay(dpy);
+    GetReq(SyncCreateCounter, req);
+    req->reqType = info->codes->major_opcode;
+    req->syncReqType = X_SyncCreateCounter;
+
+    req->cid = XAllocID(dpy);
+    req->initial_value_lo = XSyncValueLow32(initial_value);
+    req->initial_value_hi = XSyncValueHigh32(initial_value);
+
+    UnlockDisplay(dpy);
+    SyncHandle();
+    return req->cid;
+}
+
+Status
+XSyncSetCounter(Display *dpy, XSyncCounter counter, XSyncValue value)
+{
+    XExtDisplayInfo *info = find_display(dpy);
+    xSyncSetCounterReq *req;
+
+    SyncCheckExtension(dpy, info, False);
+
+    LockDisplay(dpy);
+    GetReq(SyncSetCounter, req);
+    req->reqType = info->codes->major_opcode;
+    req->syncReqType = X_SyncSetCounter;
+    req->cid = counter;
+    req->value_lo = XSyncValueLow32(value);
+    req->value_hi = XSyncValueHigh32(value);
+    UnlockDisplay(dpy);
+    SyncHandle();
+    return True;
+}
+
+Status
+XSyncChangeCounter(Display *dpy, XSyncCounter counter, XSyncValue value)
+{
+    XExtDisplayInfo *info = find_display(dpy);
+    xSyncChangeCounterReq *req;
+
+    SyncCheckExtension(dpy, info, False);
+
+    LockDisplay(dpy);
+    GetReq(SyncChangeCounter, req);
+    req->reqType = info->codes->major_opcode;
+    req->syncReqType = X_SyncChangeCounter;
+    req->cid = counter;
+    req->value_lo = XSyncValueLow32(value);
+    req->value_hi = XSyncValueHigh32(value);
+    UnlockDisplay(dpy);
+    SyncHandle();
+    return True;
+}
+
+Status
+XSyncDestroyCounter(Display *dpy, XSyncCounter counter)
+{
+    XExtDisplayInfo *info = find_display(dpy);
+    xSyncDestroyCounterReq *req;
+
+    SyncCheckExtension(dpy, info, False);
+
+    LockDisplay(dpy);
+    GetReq(SyncDestroyCounter, req);
+    req->reqType = info->codes->major_opcode;
+    req->syncReqType = X_SyncDestroyCounter;
+    req->counter = counter;
+    UnlockDisplay(dpy);
+    SyncHandle();
+
+    return True;
+}
+
+Status
+XSyncQueryCounter(Display *dpy, XSyncCounter counter, XSyncValue *value_return)
+{
+    XExtDisplayInfo *info = find_display(dpy);
+    xSyncQueryCounterReply rep;
+    xSyncQueryCounterReq *req;
+
+    SyncCheckExtension(dpy, info, False);
+
+    LockDisplay(dpy);
+    GetReq(SyncQueryCounter, req);
+    req->reqType = info->codes->major_opcode;
+    req->syncReqType = X_SyncQueryCounter;
+    req->counter = counter;
+    if (!_XReply(dpy, (xReply *) & rep, 0, xTrue))
+    {
+	UnlockDisplay(dpy);
+	SyncHandle();
+	return False;
+    }
+    XSyncIntsToValue(value_return, rep.value_lo, rep.value_hi);
+    UnlockDisplay(dpy);
+    SyncHandle();
+
+    return True;
+}
+
+
+Status
+XSyncAwait(Display *dpy, XSyncWaitCondition *wait_list, int n_conditions)
+{
+    XExtDisplayInfo *info = find_display(dpy);
+    XSyncWaitCondition *wait_item = wait_list;
+    xSyncAwaitReq  *req;
+    unsigned int    len;
+
+    SyncCheckExtension(dpy, info, False);
+
+    LockDisplay(dpy);
+    GetReq(SyncAwait, req);
+    req->reqType = info->codes->major_opcode;
+    req->syncReqType = X_SyncAwait;
+    len = (n_conditions * SIZEOF(xSyncWaitCondition)) >> 2;
+    SetReqLen(req, len, len /* XXX */ );
+
+    while (n_conditions--)
+    {
+	xSyncWaitCondition  wc;
+	wc.counter = wait_item->trigger.counter;
+	wc.value_type = wait_item->trigger.value_type;
+	wc.wait_value_lo = XSyncValueLow32(wait_item->trigger.wait_value);
+	wc.wait_value_hi = XSyncValueHigh32(wait_item->trigger.wait_value);
+	wc.test_type = wait_item->trigger.test_type;
+	wc.event_threshold_lo = XSyncValueLow32(wait_item->event_threshold);
+	wc.event_threshold_hi = XSyncValueHigh32(wait_item->event_threshold);
+	Data(dpy, (char *)&wc, SIZEOF(xSyncWaitCondition));
+	wait_item++;		/* get next trigger */
+    }
+
+    UnlockDisplay(dpy);
+    SyncHandle();
+    return True;
+}
+
+static void
+_XProcessAlarmAttributes(Display *dpy, xSyncChangeAlarmReq *req,
+			 unsigned long valuemask,
+			 XSyncAlarmAttributes *attributes)
+{
+
+    unsigned long  values[32];
+    unsigned long *value = values;
+    unsigned int    nvalues;
+
+    if (valuemask & XSyncCACounter)
+	*value++ = attributes->trigger.counter;
+
+    if (valuemask & XSyncCAValueType)
+	*value++ = attributes->trigger.value_type;
+
+    if (valuemask & XSyncCAValue)
+    {
+	*value++ = XSyncValueHigh32(attributes->trigger.wait_value);
+	*value++ = XSyncValueLow32(attributes->trigger.wait_value);
+    }
+
+    if (valuemask & XSyncCATestType)
+	*value++ = attributes->trigger.test_type;
+
+    if (valuemask & XSyncCADelta)
+    {
+	*value++ = XSyncValueHigh32(attributes->delta);
+	*value++ = XSyncValueLow32(attributes->delta);
+    }
+
+    if (valuemask & XSyncCAEvents)
+	*value++ = attributes->events;
+
+    /* N.B. the 'state' field cannot be set or changed */
+    req->length += (nvalues = value - values);
+    nvalues <<= 2;		/* watch out for macros... */
+
+    Data32(dpy, (long *) values, (long) nvalues);
+}
+
+XSyncAlarm
+XSyncCreateAlarm(
+    Display *dpy,
+    unsigned long values_mask,
+    XSyncAlarmAttributes *values)
+{
+    XExtDisplayInfo *info = find_display(dpy);
+    xSyncCreateAlarmReq *req;
+    XSyncAlarm      aid;
+
+    SyncCheckExtension(dpy, info, False);
+
+    LockDisplay(dpy);
+    GetReq(SyncCreateAlarm, req);
+    req->reqType = info->codes->major_opcode;
+    req->syncReqType = X_SyncCreateAlarm;
+    req->id = aid = XAllocID(dpy);
+    values_mask &= XSyncCACounter | XSyncCAValueType | XSyncCAValue
+			| XSyncCATestType | XSyncCADelta | XSyncCAEvents;
+    if ((req->valueMask = values_mask))
+	_XProcessAlarmAttributes(dpy, (xSyncChangeAlarmReq *) req,
+				 values_mask, values);
+    UnlockDisplay(dpy);
+    SyncHandle();
+    return aid;
+}
+
+Status
+XSyncDestroyAlarm(Display *dpy, XSyncAlarm alarm)
+{
+    XExtDisplayInfo *info = find_display(dpy);
+    xSyncDestroyAlarmReq *req;
+
+    SyncCheckExtension(dpy, info, False);
+
+    LockDisplay(dpy);
+    GetReq(SyncDestroyAlarm, req);
+    req->reqType = info->codes->major_opcode;
+    req->syncReqType = X_SyncDestroyAlarm;
+    req->alarm = alarm;
+    UnlockDisplay(dpy);
+    SyncHandle();
+    return True;
+}
+
+Status
+XSyncQueryAlarm(
+    Display *dpy,
+    XSyncAlarm alarm,
+    XSyncAlarmAttributes *values_return)
+{
+    XExtDisplayInfo *info = find_display(dpy);
+    xSyncQueryAlarmReq *req;
+    xSyncQueryAlarmReply rep;
+
+    SyncCheckExtension(dpy, info, False);
+
+    LockDisplay(dpy);
+    GetReq(SyncQueryAlarm, req);
+    req->reqType = info->codes->major_opcode;
+    req->syncReqType = X_SyncQueryAlarm;
+    req->alarm = alarm;
+
+    if (!(_XReply(dpy, (xReply *) & rep,
+    ((SIZEOF(xSyncQueryAlarmReply) - SIZEOF(xGenericReply)) >> 2), xFalse)))
+    {
+	UnlockDisplay(dpy);
+	SyncHandle();
+	return False;
+    }
+
+    values_return->trigger.counter = rep.counter;
+    values_return->trigger.value_type = (XSyncValueType)rep.value_type;
+    XSyncIntsToValue(&values_return->trigger.wait_value,
+				rep.wait_value_lo, rep.wait_value_hi);
+    values_return->trigger.test_type = (XSyncTestType)rep.test_type;
+    XSyncIntsToValue(&values_return->delta, rep.delta_lo,
+				rep.delta_hi);
+    values_return->events = rep.events;
+    values_return->state = (XSyncAlarmState)rep.state;
+    UnlockDisplay(dpy);
+    SyncHandle();
+    return True;
+}
+
+Status
+XSyncChangeAlarm(
+    Display *dpy,
+    XSyncAlarm alarm,
+    unsigned long values_mask,
+    XSyncAlarmAttributes *values)
+{
+    XExtDisplayInfo *info = find_display(dpy);
+    xSyncChangeAlarmReq *req;
+
+    SyncCheckExtension(dpy, info, False);
+
+    LockDisplay(dpy);
+    GetReq(SyncChangeAlarm, req);
+    req->reqType = info->codes->major_opcode;
+    req->syncReqType = X_SyncChangeAlarm;
+    req->alarm = alarm;
+    values_mask &= XSyncCACounter | XSyncCAValueType | XSyncCAValue
+		 | XSyncCATestType | XSyncCADelta | XSyncCAEvents;
+    if ((req->valueMask = values_mask))
+	_XProcessAlarmAttributes(dpy, req, values_mask, values);
+    UnlockDisplay(dpy);
+    SyncHandle();
+    return True;
+}
+
+Status
+XSyncSetPriority(
+    Display *dpy,
+    XID client_resource_id,
+    int priority)
+{
+    XExtDisplayInfo *info = find_display(dpy);
+    xSyncSetPriorityReq *req;
+
+    SyncCheckExtension(dpy, info, False);
+
+    LockDisplay(dpy);
+    GetReq(SyncSetPriority, req);
+    req->reqType = info->codes->major_opcode;
+    req->syncReqType = X_SyncSetPriority;
+    req->id = client_resource_id;
+    req->priority = priority;
+    UnlockDisplay(dpy);
+    SyncHandle();
+    return True;
+}
+
+Status
+XSyncGetPriority(Display *dpy, XID client_resource_id, int *return_priority)
+{
+    XExtDisplayInfo *info = find_display(dpy);
+    xSyncGetPriorityReply rep;
+    xSyncGetPriorityReq *req;
+
+    SyncCheckExtension(dpy, info, False);
+
+    LockDisplay(dpy);
+    GetReq(SyncGetPriority, req);
+    req->reqType = info->codes->major_opcode;
+    req->syncReqType = X_SyncGetPriority;
+    req->id = client_resource_id;
+
+    if (!_XReply(dpy, (xReply *) & rep, 0, xFalse))
+    {
+	UnlockDisplay(dpy);
+	SyncHandle();
+	return False;
+    }
+    if (return_priority)
+	*return_priority = rep.priority;
+
+    UnlockDisplay(dpy);
+    SyncHandle();
+    return True;
+}
+
+/*
+ *  Functions corresponding to the macros for manipulating 64-bit values
+ */
+
+void
+XSyncIntToValue(XSyncValue *pv, int i)
+{
+    _XSyncIntToValue(pv,i);
+}
+
+void
+XSyncIntsToValue(XSyncValue *pv, unsigned int l, int h)
+{
+    _XSyncIntsToValue(pv, l, h);
+}
+
+Bool
+XSyncValueGreaterThan(XSyncValue a, XSyncValue b)
+{
+    return _XSyncValueGreaterThan(a, b);
+}
+
+Bool
+XSyncValueLessThan(XSyncValue a, XSyncValue b)
+{
+    return _XSyncValueLessThan(a, b);
+}
+
+Bool
+XSyncValueGreaterOrEqual(XSyncValue a, XSyncValue b)
+{
+    return _XSyncValueGreaterOrEqual(a, b);
+}
+
+Bool
+XSyncValueLessOrEqual(XSyncValue a, XSyncValue b)
+{
+    return _XSyncValueLessOrEqual(a, b);
+}
+
+Bool
+XSyncValueEqual(XSyncValue a, XSyncValue b)
+{
+    return _XSyncValueEqual(a, b);
+}
+
+Bool
+XSyncValueIsNegative(XSyncValue v)
+{
+    return _XSyncValueIsNegative(v);
+}
+
+Bool
+XSyncValueIsZero(XSyncValue a)
+{
+    return _XSyncValueIsZero(a);
+}
+
+Bool
+XSyncValueIsPositive(XSyncValue v)
+{
+    return _XSyncValueIsPositive(v);
+}
+
+unsigned int
+XSyncValueLow32(XSyncValue v)
+{
+    return _XSyncValueLow32(v);
+}
+
+int
+XSyncValueHigh32(XSyncValue v)
+{
+    return _XSyncValueHigh32(v);
+}
+
+void
+XSyncValueAdd(XSyncValue *presult, XSyncValue a, XSyncValue b, Bool *poverflow)
+{
+    _XSyncValueAdd(presult, a, b, poverflow);
+}
+
+void
+XSyncValueSubtract(
+    XSyncValue *presult,
+    XSyncValue a, XSyncValue b,
+    Bool *poverflow)
+{
+    _XSyncValueSubtract(presult, a, b, poverflow);
+}
+
+void
+XSyncMaxValue(XSyncValue *pv)
+{
+    _XSyncMaxValue(pv);
+}
+
+void
+XSyncMinValue(XSyncValue *pv)
+{
+    _XSyncMinValue(pv);
+}