Created
September 21, 2016 11:20
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Rust thread control
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use std::time::Duration; | |
use std::sync::Arc; | |
use std::sync::atomic::{AtomicBool, Ordering}; | |
use std::thread; | |
fn main() { | |
// Play with this flag | |
let fatal_flag = true; | |
let do_stop = true; | |
let working = Arc::new(AtomicBool::new(true)); | |
let control = Arc::downgrade(&working); | |
thread::spawn(move || { | |
while (*working).load(Ordering::Relaxed) { | |
if fatal_flag { | |
panic!("Oh, my God!"); | |
} else { | |
thread::sleep(Duration::from_millis(20)); | |
println!("I'm alive!"); | |
} | |
} | |
}); | |
thread::sleep(Duration::from_millis(50)); | |
if do_stop { | |
// To stop thread | |
match control.upgrade() { | |
Some(working) => (*working).store(false, Ordering::Relaxed), | |
None => println!("Sorry, but thread has died."), | |
} | |
} | |
thread::sleep(Duration::from_millis(50)); | |
match control.upgrade() { | |
Some(_) => println!("Thread alive!"), | |
None => println!("Thread ends!"), | |
} | |
} |
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