From 729aa75e560e57b0b8b605a3629167fd6be98cc1 Mon Sep 17 00:00:00 2001
From: Remi Rampin <remirampin@gmail.com>
Date: Wed, 28 Oct 2015 22:09:27 -0400
Subject: [PATCH 1/2] Implement Eq for Thread

---
 src/libstd/thread/mod.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/libstd/thread/mod.rs b/src/libstd/thread/mod.rs
index 9b8f63997b64..447d396a99d6 100644
--- a/src/libstd/thread/mod.rs
+++ b/src/libstd/thread/mod.rs
@@ -535,6 +535,15 @@ impl Thread {
     }
 }
 
+impl PartialEq<Thread> for Thread {
+    fn eq(&self, other: &Thread) -> bool {
+        // Compare the Arcs
+        (&*self.inner as *const Inner) == (&*other.inner as *const Inner)
+    }
+}
+
+impl Eq for Thread {}
+
 #[stable(feature = "rust1", since = "1.0.0")]
 impl fmt::Debug for Thread {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {

From 8ffb7244de436abdbd62b50cd75efea05623b670 Mon Sep 17 00:00:00 2001
From: Remi Rampin <remirampin@gmail.com>
Date: Thu, 29 Oct 2015 14:14:51 -0400
Subject: [PATCH 2/2] Add tests for Thread::eq()

---
 src/libstd/thread/mod.rs | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/libstd/thread/mod.rs b/src/libstd/thread/mod.rs
index 447d396a99d6..3aca247c17ee 100644
--- a/src/libstd/thread/mod.rs
+++ b/src/libstd/thread/mod.rs
@@ -665,6 +665,20 @@ mod tests {
         }).unwrap().join().unwrap();
     }
 
+    #[test]
+    fn test_thread_eq() {
+        let (tx, rx) = channel();
+        let t1 = thread::spawn(move|| {
+            tx.send(thread::current()).unwrap();
+        }).thread();
+        let t2 = rx.recv().unwrap();
+        let t3 = thread::spawn(move|| {
+        }).thread();
+        assert!(t1 == t1);
+        assert!(t1 == t2);
+        assert!(t1 != t3);
+    }
+
     #[test]
     fn test_run_basic() {
         let (tx, rx) = channel();