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

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

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