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// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use option::{Option, Some, None};
use result::{Ok, Err};
use rt::io::io_error;
use rt::rtio::{IoFactory, RtioTimer, with_local_io};
pub struct Timer {
priv obj: ~RtioTimer
}
/// Sleep the current task for `msecs` milliseconds.
pub fn sleep(msecs: u64) {
let mut timer = Timer::new().expect("timer::sleep: could not create a Timer");
timer.sleep(msecs)
}
impl Timer {
/// Creates a new timer which can be used to put the current task to sleep
/// for a number of milliseconds.
pub fn new() -> Option<Timer> {
do with_local_io |io| {
match io.timer_init() {
Ok(t) => Some(Timer { obj: t }),
Err(ioerr) => {
rtdebug!("Timer::init: failed to init: {:?}", ioerr);
io_error::cond.raise(ioerr);
None
}
}
}
}
pub fn sleep(&mut self, msecs: u64) {
self.obj.sleep(msecs);
}
}
#[cfg(test)]
mod test {
use super::*;
use rt::test::*;
#[test]
fn test_io_timer_sleep_simple() {
do run_in_mt_newsched_task {
let timer = Timer::new();
do timer.map |mut t| { t.sleep(1) };
}
}
#[test]
fn test_io_timer_sleep_standalone() {
do run_in_mt_newsched_task {
sleep(1)
}
}
}
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