Function test_core_scheduling_cookie

tests/thread/prctl.rs:128–146

()

#[cfg(feature = "system")]
#[test]
fn test_core_scheduling_cookie() {
    if !linux_kernel_config_item_is_enabled("CONFIG_SCHED_CORE").unwrap_or(false) {
        eprintln!(
            "test_core_scheduling_cookie: Test skipped due to missing kernel feature: \
             CONFIG_SCHED_CORE."
        );
        return;
    }

    match core_scheduling_cookie(rustix::thread::gettid(), CoreSchedulingScope::Thread) {
        Ok(cookie) => println!("core_scheduling_cookie = {:?}", cookie),

        Err(r) => {
            let errno = r.raw_os_error();
            assert!(errno == libc::ENODEV || errno == libc::EINVAL);
            eprintln!("test_core_scheduling_cookie: Test unsupported: {}", r);
        }
    }
}

//
// Helper functions.