1 files changed, 6 insertions, 0 deletions
diff --git a/src/sys/signal.rs b/src/sys/signal.rs
index 15205502..731eecd0 100644
--- a/src/sys/signal.rs
+++ b/src/sys/signal.rs
@@ -56,6 +56,7 @@ pub mod signal {
     use libc;
 
     bitflags!(
+        #[deriving(Copy)]
         flags SockFlag: libc::c_ulong {
             const SA_NOCLDSTOP = 0x00000001,
             const SA_NOCLDWAIT = 0x00000002,
@@ -95,6 +96,7 @@ pub mod signal {
     // actually a giant union. Currently we're only interested in these fields,
     // however.
     #[repr(C)]
+    #[deriving(Copy)]
     pub struct siginfo {
         si_signo: libc::c_int,
         si_errno: libc::c_int,
@@ -105,6 +107,7 @@ pub mod signal {
     }
 
     #[repr(C)]
+    #[allow(missing_copy_implementations)]
     pub struct sigaction {
         pub sa_handler: extern fn(libc::c_int),
         pub sa_mask: sigset_t,
@@ -114,12 +117,14 @@ pub mod signal {
 
     #[repr(C)]
     #[cfg(target_word_size = "32")]
+    #[deriving(Copy)]
     pub struct sigset_t {
         __val: [libc::c_ulong, ..32],
     }
 
     #[repr(C)]
     #[cfg(target_word_size = "64")]
+    #[deriving(Copy)]
     pub struct sigset_t {
         __val: [libc::c_ulong, ..16],
     }
@@ -290,6 +295,7 @@ mod ffi {
     }
 }
 
+#[deriving(Copy)]
 pub struct SigSet {
     sigset: sigset_t
 }