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Move sleeping code to match block and comment

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Mateusz Naściszewski 2017-10-09 20:36:08 +02:00
parent 35b7527db6
commit 63d69dbe9f
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1 changed files with 7 additions and 6 deletions
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13
ports/glutin/window.rs
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@ -686,7 +686,13 @@ impl Window {
close_event = self.handle_window_event(event) || close_event; close_event = self.handle_window_event(event) || close_event;
} }
} }
WindowKind::Headless(..) => {} WindowKind::Headless(..) => {
// Sleep the main thread to avoid using 100% CPU
// This can be done better, see comments in #18777
if events.is_empty() {
thread::sleep(time::Duration::from_millis(5));
}
}
} }
} else { } else {
close_event = self.handle_next_event(); close_event = self.handle_next_event();
@ -697,11 +703,6 @@ impl Window {
} }
events.extend(mem::replace(&mut *self.event_queue.borrow_mut(), Vec::new()).into_iter()); events.extend(mem::replace(&mut *self.event_queue.borrow_mut(), Vec::new()).into_iter());
if opts::get().headless && events.is_empty() {
thread::sleep(time::Duration::from_millis(5));
}
events events
} }