src/test/ui/rfcs/rfc-1014.rs

   1 // run-pass
   2 #![allow(dead_code)]
   3 // ignore-cloudabi stdout does not map to file descriptor 1 by default
   4 // ignore-wasm32-bare no libc
   5 // ignore-sgx no libc
   6
   7 #![feature(rustc_private)]
   8
   9 extern crate libc;
  10
  11 type DWORD = u32;
  12 type HANDLE = *mut u8;
  13
  14 #[cfg(windows)]
  15 extern "system" {
  16     fn GetStdHandle(which: DWORD) -> HANDLE;
  17     fn CloseHandle(handle: HANDLE) -> i32;
  18 }
  19
  20 #[cfg(windows)]
  21 fn close_stdout() {
  22     const STD_OUTPUT_HANDLE: DWORD = -11i32 as DWORD;
  23     unsafe { CloseHandle(GetStdHandle(STD_OUTPUT_HANDLE)); }
  24 }
  25
  26 #[cfg(not(windows))]
  27 fn close_stdout() {
  28     unsafe { libc::close(1); }
  29 }
  30
  31 fn main() {
  32     close_stdout();
  33     println!("hello");
  34     println!("world");
  35 }