1 files changed, 1 insertions, 0 deletions
diff --git a/src/sched.rs b/src/sched.rs
index 43c5c187..969ab41b 100644
--- a/src/sched.rs
+++ b/src/sched.rs
@@ -69,6 +69,7 @@ pub type CpuMask = c_ulong;
 
 // Structure representing the CPU set to apply
 #[repr(C)]
+#[deriving(Copy)]
 pub struct CpuSet {
     cpu_mask: [CpuMask, ..cpuset_attribs::CPU_SETSIZE/cpuset_attribs::CPU_MASK_BITS]
 }