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If the caller doesn't sync when it should, process all events regardless

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libevdev needs to maintain the correct state of the device, even if the caller
decides to drop all delta events after a SYN_DROPPED.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2013-07-01 15:30:49 +10:00
parent d347e7d4e4
commit a10fc33cd8
1 changed files with 6 additions and 4 deletions
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10
libevdev/libevdev.c
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@ -548,10 +548,12 @@ int libevdev_next_event(struct libevdev *dev, unsigned int flags, struct input_e
return rc;
}
} else if (dev->need_sync) {
/* FIXME: still need to call update_state for all events
* here, otherwise the library has the wrong view of the
* device too */
queue_shift_multiple(dev, dev->queue_nsync, NULL);
struct input_event e;
/* call update_state for all events here, otherwise the library has the wrong view
of the device too */
while (queue_shift(dev, &e) == 0)
update_state(dev, &e);
}
/* FIXME: check for O_NONBLOCK and if not set, skip if we have an