rust/tests/compile-fail/concurrency/libc_pthread_join_detached.rs
2020-04-27 14:26:36 -07:00

25 lines
839 B
Rust

// ignore-windows: Concurrency on Windows is not supported yet.
// Joining a detached thread is undefined behavior.
#![feature(rustc_private)]
extern crate libc;
use std::{mem, ptr};
extern "C" fn thread_start(_null: *mut libc::c_void) -> *mut libc::c_void {
ptr::null_mut()
}
fn main() {
unsafe {
let mut native: libc::pthread_t = mem::zeroed();
let attr: libc::pthread_attr_t = mem::zeroed();
// assert_eq!(libc::pthread_attr_init(&mut attr), 0); FIXME: this function is not yet implemented.
assert_eq!(libc::pthread_create(&mut native, &attr, thread_start, ptr::null_mut()), 0);
assert_eq!(libc::pthread_detach(native), 0);
assert_eq!(libc::pthread_join(native, ptr::null_mut()), 0); //~ ERROR: Undefined Behavior: trying to join a detached or already joined thread
}
}