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//@compile-flags: -Zmiri-genmc -Zmiri-disable-stacked-borrows
// Translated from GenMC's "litmus/MP" test.
#![no_main]
#[path = "../../../utils/genmc.rs"]
mod genmc;
use std::sync::atomic::AtomicU64;
use std::sync::atomic::Ordering::*;
use crate::genmc::*;
static X: AtomicU64 = AtomicU64::new(0);
static Y: AtomicU64 = AtomicU64::new(0);
#[unsafe(no_mangle)]
fn miri_start(_argc: isize, _argv: *const *const u8) -> isize {
// FIXME(genmc,HACK): remove these initializing writes once Miri-GenMC supports mixed atomic-non-atomic accesses.
X.store(0, Relaxed);
Y.store(0, Relaxed);
unsafe {
let mut a = 1234;
let mut b = 1234;
let ids = [
spawn_pthread_closure(|| {
X.store(1, Release);
Y.store(1, Release);
}),
spawn_pthread_closure(|| {
a = Y.load(Acquire);
b = X.load(Acquire);
}),
];
// Join so we can read the final values.
join_pthreads(ids);
// Check that we don't get any unexpected values:
if !matches!((a, b), (0, 0) | (0, 1) | (1, 1)) {
std::process::abort();
}
0
}
}
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