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Add the patch that I missed in the last commit.

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This commit is contained in:
Robert Noland 2009-03-08 23:07:06 +00:00
parent e4f3991dfe
commit ffca734ac6
Notes: svn2git 2021-03-31 03:12:20 +00:00 
svn path=/head/; revision=229702
1 changed files with 90 additions and 0 deletions
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90
x11-servers/xorg-server/files/patch-Xserver-Xext-sync.c Normal file
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@ -0,0 +1,90 @@
--- Xext/sync.c.orig 2008-11-05 10:52:17.000000000 -0600
+++ Xext/sync.c 2009-03-08 17:04:38.000000000 -0500
@@ -2533,7 +2533,7 @@
* IDLETIME implementation
*/
-static pointer IdleTimeCounter;
+static SyncCounter *IdleTimeCounter;
static XSyncValue *pIdleTimeValueLess;
static XSyncValue *pIdleTimeValueGreater;
@@ -2545,38 +2545,69 @@
}
static void
-IdleTimeBlockHandler (pointer env,
- struct timeval **wt,
- pointer LastSelectMask)
+IdleTimeBlockHandler(pointer env, struct timeval **wt, pointer LastSelectMask)
{
- XSyncValue idle;
+ XSyncValue idle, old_idle;
+ SyncTriggerList *list = IdleTimeCounter->pTriglist;
+ SyncTrigger *trig;
if (!pIdleTimeValueLess && !pIdleTimeValueGreater)
return;
+ old_idle = IdleTimeCounter->value;
IdleTimeQueryValue (NULL, &idle);
+ IdleTimeCounter->value = idle; /* push, so CheckTrigger works */
if (pIdleTimeValueLess &&
XSyncValueLessOrEqual (idle, *pIdleTimeValueLess))
{
- AdjustWaitForDelay (wt, 0);
+ /*
+ * We've been idle for less than the threshold value, and someone
+ * wants to know about that, but now we need to know whether they
+ * want level or edge trigger. Check the trigger list against the
+ * current idle time, and if any succeed, bomb out of select()
+ * immediately so we can reschedule.
+ */
+
+ for (list = IdleTimeCounter->pTriglist; list; list = list->next) {
+ trig = list->pTrigger;
+ if (trig->CheckTrigger(trig, old_idle)) {
+ AdjustWaitForDelay(wt, 0);
+ break;
+ }
+ }
}
else if (pIdleTimeValueGreater)
{
- unsigned long timeout = 0;
+ /*
+ * There's a threshold in the positive direction. If we've been
+ * idle less than it, schedule a wakeup for sometime in the future.
+ * If we've been idle more than it, and someone wants to know about
+ * that level-triggered, schedule an immediate wakeup.
+ */
+ unsigned long timeout = -1;
- if (XSyncValueLessThan (idle, *pIdleTimeValueGreater))
- {
+ if (XSyncValueLessThan (idle, *pIdleTimeValueGreater)) {
XSyncValue value;
Bool overflow;
XSyncValueSubtract (&value, *pIdleTimeValueGreater,
idle, &overflow);
- timeout = XSyncValueLow32 (value);
+ timeout = min(timeout, XSyncValueLow32 (value));
+ } else {
+ for (list = IdleTimeCounter->pTriglist; list; list = list->next) {
+ trig = list->pTrigger;
+ if (trig->CheckTrigger(trig, old_idle)) {
+ timeout = min(timeout, 0);
+ break;
+ }
+ }
}
AdjustWaitForDelay (wt, timeout);
}
+
+ IdleTimeCounter->value = old_idle; /* pop */
}
static void