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os: Add Input::Event_queue::reset function

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Resetting the input-event queue is useful for error handling.

Issue #1185
This commit is contained in:
Norman Feske 2014-06-11 20:24:25 +02:00
parent bb83c0d3da
commit b6f8bcca6a
2 changed files with 7 additions and 0 deletions
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2
repos/os/include/input/event_queue.h
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@ -78,6 +78,8 @@ class Input::Event_queue
bool empty() const { return _queue.empty(); } bool empty() const { return _queue.empty(); }
int avail_capacity() const { return _queue.avail_capacity(); } int avail_capacity() const { return _queue.avail_capacity(); }
void reset() { _queue.reset(); }
}; };
#endif /* _EVENT_QUEUE_H_ */ #endif /* _EVENT_QUEUE_H_ */

5
repos/os/include/os/ring_buffer.h
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@ -132,6 +132,11 @@ class Ring_buffer
else else
return _tail - _head - 1; return _tail - _head - 1;
} }
/**
* Discard all ring-buffer elements
*/
void reset() { _head = _tail; }
}; };
#endif /* _INCLUDE__OS__RING_BUFFER_H_ */ #endif /* _INCLUDE__OS__RING_BUFFER_H_ */