tests/ui/rfcs/rfc-1014-stdout-existential-crisis/rfc-1014.rs

// Test that println! to a closed stdout does not panic.
// On Windows, close via CloseHandle.
//@ run-pass
//@ ignore-sgx no libc

#![feature(rustc_private)]

#[cfg(windows)]
fn close_stdout() {
    type DWORD = u32;
    type HANDLE = *mut u8;

    extern "system" {
        fn GetStdHandle(which: DWORD) -> HANDLE;
        fn CloseHandle(handle: HANDLE) -> i32;
    }

    const STD_OUTPUT_HANDLE: DWORD = -11i32 as DWORD;
    unsafe { CloseHandle(GetStdHandle(STD_OUTPUT_HANDLE)); }
}

#[cfg(not(windows))]
fn close_stdout() {
    extern crate libc;
    unsafe { libc::close(1); }
}

fn main() {
    close_stdout();
    println!("hello");
    println!("world");
}