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