---

yaml
---
r: 22433
b: refs/heads/master
c: 152f2ea
h: refs/heads/master
i:
  22431: 5ba42b4
v: v3

Author: bblum

[refs]

@@ -1,5 +1,5 @@
 ---
-refs/heads/master: 9c0b469613d58eba7d5f15625b589218fc903e66
+refs/heads/master: 152f2eade87b7930a83f9cc8da8cae08769b2faf
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: cd6f24f9d14ac90d167386a56e7a6ac1f0318195
 refs/heads/try: ffbe0e0e00374358b789b0037bcb3a577cd218be

trunk/src/libcore/arc.rs

@@ -84,7 +84,7 @@ fn clone<T: const send>(rc: &arc<T>) -> arc<T> {
 }
 
 // An arc over mutable data that is protected by a lock.
-type ex_data<T: send> = {lock: sys::lock_and_signal, data: T};
+type ex_data<T: send> = {lock: sys::lock_and_signal, mut data: T};
 type exclusive<T: send> = arc_destruct<ex_data<T>>;
 
 fn exclusive<T:send >(-data: T) -> exclusive<T> {
@@ -110,12 +110,12 @@ impl methods<T: send> for exclusive<T> {
         arc_destruct(self.data)
     }
 
-    unsafe fn with<U>(f: fn(sys::condition, x: &T) -> U) -> U {
+    unsafe fn with<U>(f: fn(sys::condition, x: &mut T) -> U) -> U {
         let ptr: ~arc_data<ex_data<T>> =
             unsafe::reinterpret_cast(self.data);
         let r = {
             let rec: &ex_data<T> = &(*ptr).data;
-            rec.lock.lock_cond(|c| f(c, &rec.data))
+            rec.lock.lock_cond(|c| f(c, &mut rec.data))
         };
         unsafe::forget(ptr);
         r