[rustc.git] / src / tools / clippy / tests / ui / crate_level_checks / no_std_main_recursion.rs

// compile-flags: -Clink-arg=-nostartfiles
// ignore-macos

#![feature(lang_items, start, libc)]
#![no_std]

use core::panic::PanicInfo;
use core::sync::atomic::{AtomicUsize, Ordering};

static N: AtomicUsize = AtomicUsize::new(0);

#[warn(clippy::main_recursion)]
#[start]
fn main(_argc: isize, _argv: *const *const u8) -> isize {
    let x = N.load(Ordering::Relaxed);
    N.store(x + 1, Ordering::Relaxed);

    if x < 3 {
        main(_argc, _argv);
    }

    0
}

#[allow(clippy::empty_loop)]
#[panic_handler]
fn panic(_info: &PanicInfo) -> ! {
    loop {}
}

#[lang = "eh_personality"]
extern "C" fn eh_personality() {}
Commit	Line	Data
cdc7bbd5	1	// compile-flags: -Clink-arg=-nostartfiles
f20569fa	2	// ignore-macos
f20569fa	3
cdc7bbd5	4	#![feature(lang_items, start, libc)]
f20569fa XL	5	#![no_std]
	6
	7	use core::panic::PanicInfo;
	8	use core::sync::atomic::{AtomicUsize, Ordering};
	9
	10	static N: AtomicUsize = AtomicUsize::new(0);
	11
	12	#[warn(clippy::main_recursion)]
	13	#[start]
5e7ed085	14	fn main(_argc: isize, _argv: const const u8) -> isize {
f20569fa XL	15	let x = N.load(Ordering::Relaxed);
	16	N.store(x + 1, Ordering::Relaxed);
	17
	18	if x < 3 {
5e7ed085	19	main(_argc, _argv);
f20569fa XL	20	}
	21
	22	0
	23	}
	24
	25	#[allow(clippy::empty_loop)]
	26	#[panic_handler]
	27	fn panic(_info: &PanicInfo) -> ! {
	28	loop {}
	29	}
	30
	31	#[lang = "eh_personality"]
	32	extern "C" fn eh_personality() {}