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Merge pull request #14 from tomaka/fix-sleep

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Fix the engine sleeping system
This commit is contained in:
tomaka 2015-09-22 11:52:10 +02:00
commit b571c54555
1 changed files with 6 additions and 6 deletions
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12
src/engine.rs
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@ -103,21 +103,21 @@ fn background(rx: Receiver<Command>) {
}
}
// stores
let mut next_step_ns = time::precise_time_ns();
// stores the time when this thread will have to be woken up
let mut next_step_ns = time::precise_time_ns() + 10000000; // 10ms
// updating the existing sounds
for &mut (_, ref mut decoder) in &mut sounds {
let val = decoder.write();
let val = time::precise_time_ns() + val;
next_step_ns = cmp::min(next_step_ns, val);
next_step_ns = cmp::min(next_step_ns, val); // updating next_step_ns
}
// sleeping a bit?
// sleeping a bit if we can
let sleep = next_step_ns as i64 - time::precise_time_ns() as i64;
let sleep = sleep - 500000;
let sleep = sleep - 500000; // removing 50µs so that we don't risk an underflow
if sleep >= 0 {
thread::sleep_ms(sleep as u32);
thread::sleep_ms((sleep / 1000000) as u32);
}
}
}