extern crate asyncio;
use std::io;
use std::sync::{Arc, Mutex};
use std::time::Duration;
use asyncio::*;
static mut GOAL_FLAG: bool = false;
fn on_nano_wait(timer: Arc<Mutex<SystemTimer>>, res: io::Result<()>) {
if let Ok(_) = res {
println!("on_nano_wait");
timer.lock().unwrap()
.expires_from_now(Duration::new(0, 1000000))
.async_wait(wrap(on_milli_wait, &timer));
} else {
panic!("{:?}", res);
}
}
fn on_milli_wait(timer: Arc<Mutex<SystemTimer>>, res: io::Result<()>) {
if let Ok(_) = res {
println!("on_milli_wait");
timer.lock().unwrap()
.expires_from_now(Duration::new(1, 0))
.async_wait(wrap(on_sec_wait, &timer));
} else {
panic!("{:?}", res);
}
}
fn on_sec_wait(_: Arc<Mutex<SystemTimer>>, res: io::Result<()>) {
if let Ok(_) = res {
println!("on_sec_wait");
unsafe { GOAL_FLAG = true; }
} else {
panic!("{:?}", res);
}
}
#[test]
fn main() {
let ctx = &IoContext::new().unwrap();
let timer = Arc::new(Mutex::new(SystemTimer::new(ctx)));
timer.lock().unwrap()
.expires_from_now(Duration::new(0, 1))
.async_wait(wrap(on_nano_wait, &timer));
ctx.run();
assert!(unsafe { GOAL_FLAG });
}