XFree86 4.3.0.1

1 files changed, 267 insertions, 31 deletions

diff --git a/Xext/sync.c b/Xext/sync.c
index 8274d2522..079a804e3 100644
--- a/Xext/sync.c
+++ b/Xext/sync.c
@@ -50,10 +50,10 @@ OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 PERFORMANCE OF THIS SOFTWARE.
 
 */
+/* $XFree86: xc/programs/Xserver/Xext/sync.c,v 3.11 2001/12/14 19:58:51 dawes Exp $ */
 
 #define NEED_REPLIES
 #define NEED_EVENTS
-#include <stdio.h>
 #include "X.h"
 #include "Xproto.h"
 #include "Xmd.h"
@@ -67,6 +67,15 @@ PERFORMANCE OF THIS SOFTWARE.
 #include "sync.h"
 #include "syncstr.h"
 
+#ifdef EXTMODULE
+#include "xf86_ansic.h"
+#else
+#include <stdio.h>
+#if !defined(WIN32) && !defined(Lynx)
+#include <sys/time.h>
+#endif
+#endif
+
 /*
  * Local Global Variables
  */
@@ -87,13 +96,254 @@ static SyncCounter **SysCounterList = NULL;
 #define XSyncCAAllTrigger \
     (XSyncCACounter | XSyncCAValueType | XSyncCAValue | XSyncCATestType)
 
+static int
+FreeAlarm(
+#if NeedFunctionPrototypes
+    pointer /* addr */,
+    XID /* id */
+#endif
+);
+
+static int
+FreeAlarmClient(
+#if NeedFunctionPrototypes
+    pointer /* value */,
+    XID /* id */
+#endif
+);
+
+static int
+FreeAwait(
+#if NeedFunctionPrototypes
+    pointer /* addr */,
+    XID /* id */
+#endif
+);
+
+static void
+ServertimeBracketValues(
+#if NeedFunctionPrototypes
+    pointer /* pCounter */,
+    CARD64 * /* pbracket_less */,
+    CARD64 * /* pbracket_greater */
+#endif
+);
+
+static void
+ServertimeQueryValue(
+#if NeedFunctionPrototypes
+    pointer /* pCounter */,
+    CARD64 * /* pValue_return */
+#endif
+);
+
+static void
+ServertimeWakeupHandler(
+#if NeedFunctionPrototypes
+    pointer /* env */,
+    int /* rc */,
+    pointer /* LastSelectMask */
+#endif
+);
+
+static int 
+SyncInitTrigger(
+#if NeedFunctionPrototypes
+    ClientPtr /* client */,
+    SyncTrigger * /* pTrigger */,
+    XSyncCounter /* counter */,
+    Mask /* changes */
+#endif
+);
+
+static void
+SAlarmNotifyEvent(
+#if NeedFunctionPrototypes
+    xSyncAlarmNotifyEvent * /* from */,
+    xSyncAlarmNotifyEvent * /* to */
+#endif
+);
+
+static void
+SCounterNotifyEvent(
+#if NeedFunctionPrototypes
+    xSyncCounterNotifyEvent * /* from */,
+    xSyncCounterNotifyEvent * /* to */
+#endif
+);
+
+static void
+ServertimeBlockHandler(
+#if NeedFunctionPrototypes
+    pointer  /* env */,
+    struct timeval ** /* wt */,
+    pointer  /* LastSelectMask */
+#endif
+);
+
+static int
+SyncAddTriggerToCounter(
+#if NeedFunctionPrototypes
+    SyncTrigger * /* pTrigger */
+#endif
+);
+
+extern void
+SyncAlarmCounterDestroyed(
+#if NeedFunctionPrototypes
+    SyncTrigger * /* pTrigger */
+#endif
+);
+
+static void
+SyncAlarmTriggerFired(
+#if NeedFunctionPrototypes
+    SyncTrigger * /* pTrigger */
+#endif
+);
+
+static void
+SyncAwaitTriggerFired(
+#if NeedFunctionPrototypes
+    SyncTrigger * /* pTrigger */
+#endif
+);
+
+static int
+SyncChangeAlarmAttributes(
+#if NeedFunctionPrototypes
+    ClientPtr /* client */,
+    SyncAlarm * /* pAlarm */,
+    Mask /* mask */,
+    CARD32 * /* values */
+#endif
+);
+
+static Bool
+SyncCheckTriggerNegativeComparison(
+#if NeedFunctionPrototypes
+    SyncTrigger * /* pTrigger */,
+    CARD64 /* oldval */
+#endif
+);
+
+static Bool
+SyncCheckTriggerNegativeTransition(
+#if NeedFunctionPrototypes
+    SyncTrigger * /* pTrigger */,
+    CARD64 /* oldval */
+#endif
+);
+
+static Bool
+SyncCheckTriggerPositiveComparison(
+#if NeedFunctionPrototypes
+    SyncTrigger * /* pTrigger */,
+    CARD64 /* oldval */
+#endif
+);
+
+static Bool
+SyncCheckTriggerPositiveTransition(
+#if NeedFunctionPrototypes
+    SyncTrigger * /* pTrigger */,
+    CARD64 /* oldval */
+#endif
+);
+
+static SyncCounter *
+SyncCreateCounter(
+#if NeedFunctionPrototypes
+    ClientPtr /* client */,
+    XSyncCounter /* id */,
+    CARD64 /* initialvalue */
+#endif
+);
+
 static void SyncComputeBracketValues(
 #if NeedFunctionPrototypes
-				     SyncCounter * /* pCounter */,
-				     Bool /* startOver */
+    SyncCounter * /* pCounter */,
+    Bool /* startOver */
 #endif
 );
 
+static void
+SyncDeleteTriggerFromCounter(
+#if NeedFunctionPrototypes
+    SyncTrigger * /* pTrigger */
+#endif
+);
+
+static Bool
+SyncEventSelectForAlarm(
+#if NeedFunctionPrototypes
+    SyncAlarm * /* pAlarm */,
+    ClientPtr /* client */,
+    Bool /* wantevents */
+#endif
+);
+
+static void
+SyncInitServerTime(
+#if NeedFunctionPrototypes
+    void
+#endif
+);
+
+static void 
+SyncResetProc(
+#if NeedFunctionPrototypes
+    ExtensionEntry * /* extEntry */
+#endif
+);
+
+static void
+SyncSendAlarmNotifyEvents(
+#if NeedFunctionPrototypes
+    SyncAlarm * /* pAlarm */
+#endif
+);
+
+static void
+SyncSendCounterNotifyEvents(
+#if NeedFunctionPrototypes
+    ClientPtr /* client */,
+    SyncAwait ** /* ppAwait */,
+    int /* num_events */
+#endif
+);
+
+static DISPATCH_PROC(ProcSyncAwait);
+static DISPATCH_PROC(ProcSyncChangeAlarm);
+static DISPATCH_PROC(ProcSyncChangeCounter);
+static DISPATCH_PROC(ProcSyncCreateAlarm);
+static DISPATCH_PROC(ProcSyncCreateCounter);
+static DISPATCH_PROC(ProcSyncDestroyAlarm);
+static DISPATCH_PROC(ProcSyncDestroyCounter);
+static DISPATCH_PROC(ProcSyncDispatch);
+static DISPATCH_PROC(ProcSyncGetPriority);
+static DISPATCH_PROC(ProcSyncInitialize);
+static DISPATCH_PROC(ProcSyncListSystemCounters);
+static DISPATCH_PROC(ProcSyncQueryAlarm);
+static DISPATCH_PROC(ProcSyncQueryCounter);
+static DISPATCH_PROC(ProcSyncSetCounter);
+static DISPATCH_PROC(ProcSyncSetPriority);
+static DISPATCH_PROC(SProcSyncAwait);
+static DISPATCH_PROC(SProcSyncChangeAlarm);
+static DISPATCH_PROC(SProcSyncChangeCounter);
+static DISPATCH_PROC(SProcSyncCreateAlarm);
+static DISPATCH_PROC(SProcSyncCreateCounter);
+static DISPATCH_PROC(SProcSyncDestroyAlarm);
+static DISPATCH_PROC(SProcSyncDestroyCounter);
+static DISPATCH_PROC(SProcSyncDispatch);
+static DISPATCH_PROC(SProcSyncGetPriority);
+static DISPATCH_PROC(SProcSyncInitialize);
+static DISPATCH_PROC(SProcSyncListSystemCounters);
+static DISPATCH_PROC(SProcSyncQueryAlarm);
+static DISPATCH_PROC(SProcSyncQueryCounter);
+static DISPATCH_PROC(SProcSyncSetCounter);
+static DISPATCH_PROC(SProcSyncSetPriority);
+
 /*  Each counter maintains a simple linked list of triggers that are
  *  interested in the counter.  The two functions below are used to
  *  delete and add triggers on this list.
@@ -462,26 +712,26 @@ SyncAlarmTriggerFired(pTrigger)
     {
 	Bool overflow;
 	CARD64 oldvalue;
-	SyncTrigger *pTrigger = &pAlarm->trigger;
+	SyncTrigger *paTrigger = &pAlarm->trigger;
 
 	/* "The alarm is updated by repeatedly adding delta to the
 	 *  value of the trigger and re-initializing it until it
 	 *  becomes FALSE."
 	 */
-	oldvalue = pTrigger->test_value;
+	oldvalue = paTrigger->test_value;
 
 	/* XXX really should do something smarter here */
 
 	do
 	{
-	    XSyncValueAdd(&pTrigger->test_value, pTrigger->test_value,
+	    XSyncValueAdd(&paTrigger->test_value, paTrigger->test_value,
 			  pAlarm->delta, &overflow);
 	} while (!overflow && 
-	      (*pTrigger->CheckTrigger)(pTrigger,
-					pTrigger->pCounter->value));
+	      (*paTrigger->CheckTrigger)(paTrigger,
+					paTrigger->pCounter->value));
 
-	new_test_value = pTrigger->test_value;
-	pTrigger->test_value = oldvalue;
+	new_test_value = paTrigger->test_value;
+	paTrigger->test_value = oldvalue;
 
 	/* "If this update would cause value to fall outside the range
 	 *  for an INT64...no change is made to value (test-value) and
@@ -710,7 +960,6 @@ SyncChangeAlarmAttributes(client, pAlarm, mask, values)
     Mask	    mask;
     CARD32	    *values;
 {
-    SyncAlarmClientList    *pClients;
     int		   status;
     XSyncCounter   counter;
     Mask	   origmask = mask;
@@ -719,9 +968,9 @@ SyncChangeAlarmAttributes(client, pAlarm, mask, values)
 
     while (mask)
     {
-	int    index = lowbit(mask);
-	mask &= ~index;
-	switch (index)
+	int    index2 = lowbit(mask);
+	mask &= ~index2;
+	switch (index2)
 	{
 	  case XSyncCACounter:
 	    mask &= ~XSyncCACounter;
@@ -998,7 +1247,6 @@ FreeAlarm(addr, id)
     XID             id;
 {
     SyncAlarm      *pAlarm = (SyncAlarm *) addr;
-    SyncAlarmClientList    *pClient;
 
     pAlarm->state = XSyncAlarmDestroyed;
 
@@ -1139,7 +1387,6 @@ static int
 ProcSyncInitialize(client)
     ClientPtr       client;
 {
-    REQUEST(xSyncInitializeReq);
     xSyncInitializeReply  rep;
     int   n;
 
@@ -1166,10 +1413,9 @@ static int
 ProcSyncListSystemCounters(client)
     ClientPtr       client;
 {
-    REQUEST(xSyncListSystemCountersReq);
     xSyncListSystemCountersReply  rep;
     int i, len;
-    xSyncSystemCounter *list, *walklist;
+    xSyncSystemCounter *list = NULL, *walklist = NULL;
     
     REQUEST_SIZE_MATCH(xSyncListSystemCountersReq);
 
@@ -1318,7 +1564,6 @@ ProcSyncCreateCounter(client)
     ClientPtr       client;
 {
     REQUEST(xSyncCreateCounterReq);
-    SyncCounter    *pCounter;
     CARD64          initial;
 
     REQUEST_SIZE_MATCH(xSyncCreateCounterReq);
@@ -1440,9 +1685,8 @@ ProcSyncAwait(client)
 {
     REQUEST(xSyncAwaitReq);
     int             len, items;
-    int             n, i;
+    int             i;
     xSyncWaitCondition *pProtocolWaitConds;
-    int             ret;
     SyncAwaitUnion *pAwaitUnion;
     SyncAwait	   *pAwait;
     int		   status;
@@ -1606,7 +1850,6 @@ ProcSyncCreateAlarm(client)
     REQUEST(xSyncCreateAlarmReq);
     SyncAlarm      *pAlarm;
     int             status;
-    int             i;
     unsigned long   len, vmask;
     SyncTrigger	    *pTrigger;
 
@@ -2063,8 +2306,6 @@ static int
 SProcSyncDispatch(client)
     ClientPtr       client;
 {
-    int             n;
-
     REQUEST(xReq);
 
     switch (stuff->data)
@@ -2154,8 +2395,6 @@ SyncResetProc(extEntry)
 }
 
 
-static void SyncInitServerTime();
-
 /*
  * ** Initialise the extension.
  */
@@ -2188,8 +2427,8 @@ SyncExtensionInit()
     SyncReqCode = extEntry->base;
     SyncEventBase = extEntry->eventBase;
     SyncErrorBase = extEntry->errorBase;
-    EventSwapVector[SyncEventBase + XSyncCounterNotify] = SCounterNotifyEvent;
-    EventSwapVector[SyncEventBase + XSyncAlarmNotify] = SAlarmNotifyEvent;
+    EventSwapVector[SyncEventBase + XSyncCounterNotify] = (EventSwapPtr) SCounterNotifyEvent;
+    EventSwapVector[SyncEventBase + XSyncAlarmNotify] = (EventSwapPtr) SAlarmNotifyEvent;
 
     /*
      * Although SERVERTIME is implemented by the OS layer, we initialise it
@@ -2211,9 +2450,6 @@ SyncExtensionInit()
  */
 
 
-#ifndef WIN32
-#include <sys/time.h>
-#endif
 
 static pointer ServertimeCounter;
 static XSyncValue Now;