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Add more concurrency tests.
[rust.git] / tests / compile-fail / concurrency / libc_pthread_join_joined.rs
1 // ignore-windows: Concurrency on Windows is not supported yet.
2
3 // Joining an already joined thread is undefined behavior.
4
5 #![feature(rustc_private)]
6
7 extern crate libc;
8
9 use std::{mem, ptr};
10
11 extern "C" fn thread_start(_null: *mut libc::c_void) -> *mut libc::c_void {
12     ptr::null_mut()
13 }
14
15 fn main() {
16     unsafe {
17         let mut native: libc::pthread_t = mem::zeroed();
18         let attr: libc::pthread_attr_t = mem::zeroed();
19         // assert_eq!(libc::pthread_attr_init(&mut attr), 0); FIXME: this function is not yet implemented.
20         assert_eq!(libc::pthread_create(&mut native, &attr, thread_start, ptr::null_mut()), 0);
21         assert_eq!(libc::pthread_join(native, ptr::null_mut()), 0);
22         assert_eq!(libc::pthread_join(native, ptr::null_mut()), 0); //~ ERROR: Undefined Behavior: trying to join a detached or already joined thread
23     }
24 }