| // Copyright 2014 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| #![feature(asm)] |
| #![crate_type="lib"] |
| |
| #[deny(unreachable_code)] |
| pub fn exit(n: usize) -> i32 { |
| unsafe { |
| // Pretend this asm is an exit() syscall. |
| asm!("" :: "r"(n) :: "volatile"); |
| // Can't actually reach this point, but rustc doesn't know that. |
| } |
| // This return value is just here to generate some extra code for a return |
| // value, making it easier for the test script to detect whether the |
| // compiler deleted it. |
| 42 |
| } |
