1 files changed, 65 insertions, 0 deletions
diff --git a/src/libstd/sys/unix/ext/process.rs b/src/libstd/sys/unix/ext/process.rs
new file mode 100644
index 00000000000..8c9d0a86583
--- /dev/null
+++ b/src/libstd/sys/unix/ext/process.rs
@@ -0,0 +1,65 @@
+// Copyright 2015 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.
+
+//! Unix-specific extensions to primitives in the `std::process` module.
+
+#![stable(feature = "rust1", since = "1.0.0")]
+
+use os::unix::raw::{uid_t, gid_t};
+use prelude::v1::*;
+use process;
+use sys;
+use sys_common::{AsInnerMut, AsInner};
+
+/// Unix-specific extensions to the `std::process::Command` builder
+#[stable(feature = "rust1", since = "1.0.0")]
+pub trait CommandExt {
+    /// Sets the child process's user id. This translates to a
+    /// `setuid` call in the child process. Failure in the `setuid`
+    /// call will cause the spawn to fail.
+    #[stable(feature = "rust1", since = "1.0.0")]
+    fn uid(&mut self, id: uid_t) -> &mut process::Command;
+
+    /// Similar to `uid`, but sets the group id of the child process. This has
+    /// the same semantics as the `uid` field.
+    #[stable(feature = "rust1", since = "1.0.0")]
+    fn gid(&mut self, id: gid_t) -> &mut process::Command;
+}
+
+#[stable(feature = "rust1", since = "1.0.0")]
+impl CommandExt for process::Command {
+    fn uid(&mut self, id: uid_t) -> &mut process::Command {
+        self.as_inner_mut().uid = Some(id);
+        self
+    }
+
+    fn gid(&mut self, id: gid_t) -> &mut process::Command {
+        self.as_inner_mut().gid = Some(id);
+        self
+    }
+}
+
+/// Unix-specific extensions to `std::process::ExitStatus`
+#[stable(feature = "rust1", since = "1.0.0")]
+pub trait ExitStatusExt {
+    /// If the process was terminated by a signal, returns that signal.
+    #[stable(feature = "rust1", since = "1.0.0")]
+    fn signal(&self) -> Option<i32>;
+}
+
+#[stable(feature = "rust1", since = "1.0.0")]
+impl ExitStatusExt for process::ExitStatus {
+    fn signal(&self) -> Option<i32> {
+        match *self.as_inner() {
+            sys::process2::ExitStatus::Signal(s) => Some(s),
+            _ => None
+        }
+    }
+}