rust/tests/compile-fail/sync/libc_pthread_cond_double_destroy.rs

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// ignore-windows: No libc on Windows
#![feature(rustc_private)]
/// Test that destroying a pthread_cond twice fails, even without a check for number validity
extern crate libc;
fn main() {
unsafe {
use core::mem::MaybeUninit;
let mut attr = MaybeUninit::<libc::pthread_condattr_t>::uninit();
libc::pthread_condattr_init(attr.as_mut_ptr());
let mut cond = MaybeUninit::<libc::pthread_cond_t>::uninit();
libc::pthread_cond_init(cond.as_mut_ptr(), attr.as_ptr());
libc::pthread_cond_destroy(cond.as_mut_ptr());
libc::pthread_cond_destroy(cond.as_mut_ptr());
//~^ Undefined Behavior: using uninitialized data, but this operation requires initialized memory
}
}