Redox: Add JoinHandleExt (matching Unix version)

2 files changed, 50 insertions, 0 deletions

diff --git a/src/libstd/sys/redox/ext/mod.rs b/src/libstd/sys/redox/ext/mod.rs
index 513ef272e97..0c1bf9e9557 100644
--- a/src/libstd/sys/redox/ext/mod.rs
+++ b/src/libstd/sys/redox/ext/mod.rs
@@ -33,6 +33,7 @@ pub mod ffi;
 pub mod fs;
 pub mod io;
 pub mod process;
+pub mod thread;
 
 /// A prelude for conveniently writing platform-specific code.
 ///
@@ -46,5 +47,7 @@ pub mod prelude {
     #[doc(no_inline)] #[stable(feature = "rust1", since = "1.0.0")]
     pub use super::fs::{FileTypeExt, PermissionsExt, OpenOptionsExt, MetadataExt};
     #[doc(no_inline)] #[stable(feature = "rust1", since = "1.0.0")]
+    pub use super::thread::JoinHandleExt;
+    #[doc(no_inline)] #[stable(feature = "rust1", since = "1.0.0")]
     pub use super::process::{CommandExt, ExitStatusExt};
 }
diff --git a/src/libstd/sys/redox/ext/thread.rs b/src/libstd/sys/redox/ext/thread.rs
new file mode 100644
index 00000000000..52be2ccd9f9
--- /dev/null
+++ b/src/libstd/sys/redox/ext/thread.rs
@@ -0,0 +1,47 @@
+// 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::thread` module.
+
+#![stable(feature = "thread_extensions", since = "1.9.0")]
+
+use sys_common::{AsInner, IntoInner};
+use thread::JoinHandle;
+
+#[stable(feature = "thread_extensions", since = "1.9.0")]
+#[allow(deprecated)]
+pub type RawPthread = usize;
+
+/// Unix-specific extensions to `std::thread::JoinHandle`
+#[stable(feature = "thread_extensions", since = "1.9.0")]
+pub trait JoinHandleExt {
+    /// Extracts the raw pthread_t without taking ownership
+    #[stable(feature = "thread_extensions", since = "1.9.0")]
+    fn as_pthread_t(&self) -> RawPthread;
+
+    /// Consumes the thread, returning the raw pthread_t
+    ///
+    /// This function **transfers ownership** of the underlying pthread_t to
+    /// the caller. Callers are then the unique owners of the pthread_t and
+    /// must either detach or join the pthread_t once it's no longer needed.
+    #[stable(feature = "thread_extensions", since = "1.9.0")]
+    fn into_pthread_t(self) -> RawPthread;
+}
+
+#[stable(feature = "thread_extensions", since = "1.9.0")]
+impl<T> JoinHandleExt for JoinHandle<T> {
+    fn as_pthread_t(&self) -> RawPthread {
+        self.as_inner().id() as RawPthread
+    }
+
+    fn into_pthread_t(self) -> RawPthread {
+        self.into_inner().into_id() as RawPthread
+    }
+}