rust/tests/fail/concurrency/libc_pthread_join_main.rs
2022-08-17 19:53:22 -07:00

17 lines
474 B
Rust

//@ignore-target-windows: No libc on Windows
// Joining the main thread is undefined behavior.
use std::{ptr, thread};
fn main() {
let thread_id: libc::pthread_t = unsafe { libc::pthread_self() };
let handle = thread::spawn(move || {
unsafe {
assert_eq!(libc::pthread_join(thread_id, ptr::null_mut()), 0); //~ ERROR: Undefined Behavior: trying to join a detached thread
}
});
thread::yield_now();
handle.join().unwrap();
}