rust/tests/fail/sync/libc_pthread_mutex_default_deadlock.rs

18 lines
634 B
Rust

//@ignore-target-windows: No libc on Windows
//
// Check that if we do not set the mutex type, it is the default.
#![feature(rustc_private)]
extern crate libc;
fn main() {
unsafe {
let mutexattr: libc::pthread_mutexattr_t = std::mem::zeroed();
let mut mutex: libc::pthread_mutex_t = std::mem::zeroed();
assert_eq!(libc::pthread_mutex_init(&mut mutex as *mut _, &mutexattr as *const _), 0);
assert_eq!(libc::pthread_mutex_lock(&mut mutex as *mut _), 0);
libc::pthread_mutex_lock(&mut mutex as *mut _); //~ ERROR: Undefined Behavior: trying to acquire already locked default mutex
}
}