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

33 lines
667 B
Rust

// 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");
}