1 files changed, 82 insertions, 0 deletions
diff --git a/src/test/ui/process/fds-are-cloexec.rs b/src/test/ui/process/fds-are-cloexec.rs
new file mode 100644
index 000000000..4482b7032
--- /dev/null
+++ b/src/test/ui/process/fds-are-cloexec.rs
@@ -0,0 +1,82 @@
+// run-pass
+// ignore-windows
+// ignore-android
+// ignore-emscripten no processes
+// ignore-haiku
+// ignore-sgx no processes
+
+#![feature(rustc_private)]
+
+extern crate libc;
+
+use std::env;
+use std::fs::File;
+use std::io;
+use std::net::{TcpListener, TcpStream, UdpSocket};
+use std::os::unix::prelude::*;
+use std::process::{Command, Stdio};
+use std::thread;
+
+fn main() {
+    let args = env::args().collect::<Vec<_>>();
+    if args.len() == 1 {
+        parent()
+    } else {
+        child(&args)
+    }
+}
+
+fn parent() {
+    let file = File::open(env::current_exe().unwrap()).unwrap();
+    let tcp1 = TcpListener::bind("127.0.0.1:0").unwrap();
+    let tcp2 = tcp1.try_clone().unwrap();
+    let addr = tcp1.local_addr().unwrap();
+    let t = thread::spawn(move || TcpStream::connect(addr).unwrap());
+    let tcp3 = tcp1.accept().unwrap().0;
+    let tcp4 = t.join().unwrap();
+    let tcp5 = tcp3.try_clone().unwrap();
+    let tcp6 = tcp4.try_clone().unwrap();
+    let udp1 = UdpSocket::bind("127.0.0.1:0").unwrap();
+    let udp2 = udp1.try_clone().unwrap();
+
+    let mut child = Command::new(env::args().next().unwrap())
+                            .arg("100")
+                            .stdout(Stdio::piped())
+                            .stdin(Stdio::piped())
+                            .stderr(Stdio::piped())
+                            .spawn().unwrap();
+    let pipe1 = child.stdin.take().unwrap();
+    let pipe2 = child.stdout.take().unwrap();
+    let pipe3 = child.stderr.take().unwrap();
+
+
+    let status = Command::new(env::args().next().unwrap())
+                        .arg(file.as_raw_fd().to_string())
+                        .arg(tcp1.as_raw_fd().to_string())
+                        .arg(tcp2.as_raw_fd().to_string())
+                        .arg(tcp3.as_raw_fd().to_string())
+                        .arg(tcp4.as_raw_fd().to_string())
+                        .arg(tcp5.as_raw_fd().to_string())
+                        .arg(tcp6.as_raw_fd().to_string())
+                        .arg(udp1.as_raw_fd().to_string())
+                        .arg(udp2.as_raw_fd().to_string())
+                        .arg(pipe1.as_raw_fd().to_string())
+                        .arg(pipe2.as_raw_fd().to_string())
+                        .arg(pipe3.as_raw_fd().to_string())
+                        .status()
+                        .unwrap();
+    assert!(status.success());
+    child.wait().unwrap();
+}
+
+fn child(args: &[String]) {
+    let mut b = [0u8; 2];
+    for arg in &args[1..] {
+        let fd: libc::c_int = arg.parse().unwrap();
+        unsafe {
+            assert_eq!(libc::read(fd, b.as_mut_ptr() as *mut _, 2), -1);
+            assert_eq!(io::Error::last_os_error().raw_os_error(),
+                       Some(libc::EBADF));
+        }
+    }
+}