diff options
| author | Albert Larsan <74931857+albertlarsan68@users.noreply.github.com> | 2023-01-05 09:13:28 +0100 | 
|---|---|---|
| committer | Albert Larsan <74931857+albertlarsan68@users.noreply.github.com> | 2023-01-11 09:32:08 +0000 | 
| commit | cf2dff2b1e3fa55fa5415d524200070d0d7aacfe (patch) | |
| tree | 40a88d9a46aaf3e8870676eb2538378b75a263eb /tests/ui/threads-sendsync/task-comm-14.rs | |
| parent | ca855e6e42787ecd062d81d53336fe6788ef51a9 (diff) | |
| download | rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.tar.gz rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.zip  | |
Move /src/test to /tests
Diffstat (limited to 'tests/ui/threads-sendsync/task-comm-14.rs')
| -rw-r--r-- | tests/ui/threads-sendsync/task-comm-14.rs | 36 | 
1 files changed, 36 insertions, 0 deletions
diff --git a/tests/ui/threads-sendsync/task-comm-14.rs b/tests/ui/threads-sendsync/task-comm-14.rs new file mode 100644 index 00000000000..88d6b090268 --- /dev/null +++ b/tests/ui/threads-sendsync/task-comm-14.rs @@ -0,0 +1,36 @@ +// run-pass +#![allow(unused_parens)] +// ignore-emscripten no threads support + +use std::sync::mpsc::{channel, Sender}; +use std::thread; + +pub fn main() { + let (tx, rx) = channel(); + + // Spawn 10 threads each sending us back one isize. + let mut i = 10; + while (i > 0) { + println!("{}", i); + let tx = tx.clone(); + thread::spawn({let i = i; move|| { child(i, &tx) }}); + i = i - 1; + } + + // Spawned threads are likely killed before they get a chance to send + // anything back, so we deadlock here. + + i = 10; + while (i > 0) { + println!("{}", i); + rx.recv().unwrap(); + i = i - 1; + } + + println!("main thread exiting"); +} + +fn child(x: isize, tx: &Sender<isize>) { + println!("{}", x); + tx.send(x).unwrap(); +}  | 
