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Fix initialization of server time overflow timer

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* time.c (StartAlarms): Fix comment.  Initialize overflow timer
A with negative delta.
This commit is contained in:
hujianwei 2022-11-08 11:49:43 +00:00
parent f4194133f9
commit b0815b0b8c
1 changed files with 5 additions and 2 deletions
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7
time.c
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@ -182,7 +182,7 @@ StartAlarms (XSyncCounter counter, XSyncValue current_value)
| XSyncCAValue | XSyncCAEvents); | XSyncCAValue | XSyncCAEvents);
/* Start the first kind of alarm. This alarm assumes that the /* Start the first kind of alarm. This alarm assumes that the
counter does not wrap around along with the server time. counter does wrap around along with the server time.
The protocol allows for more kinds of server behavior, but all The protocol allows for more kinds of server behavior, but all
servers either implement the counter as one that wraps around servers either implement the counter as one that wraps around
@ -199,10 +199,13 @@ StartAlarms (XSyncCounter counter, XSyncValue current_value)
/* Set the trigger and ask for events. */ /* Set the trigger and ask for events. */
attributes.trigger = trigger; attributes.trigger = trigger;
attributes.events = True; attributes.events = True;
XSyncIntToValue (&attributes.delta, -1);
/* Create the alarm. */ /* Create the alarm. */
alarm_a = XSyncCreateAlarm (compositor.display, alarm_a = XSyncCreateAlarm (compositor.display,
value_mask, &attributes); value_mask | XSyncCADelta,
&attributes);
XSync (compositor.display, False);
} }
else else
{ {