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; * src/xterm.c (x_if_event): Minor speed improvements.

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This commit is contained in:
Po Lu 2022-08-03 20:17:18 +08:00
parent bb56cc4cad
commit 6fb206329f
1 changed files with 6 additions and 1 deletions
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7
src/xterm.c
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@ -6605,12 +6605,17 @@ x_if_event (Display *dpy, XEvent *event_return,
current_time = current_timespec ();
target = timespec_add (current_time, timeout);
/* Check if an event is already in the queue. If it is, avoid
syncing. */
if (XCheckIfEvent (dpy, event_return, predicate, arg))
return 0;
while (true)
{
/* Get events into the queue. */
XSync (dpy, False);
/* Check if an event is now in the queue. */
/* Look for an event again. */
if (XCheckIfEvent (dpy, event_return, predicate, arg))
return 0;