1 files changed, 3 insertions, 0 deletions
diff --git a/src/fcntl.rs b/src/fcntl.rs
index 93009bd8..ca6686f7 100644
--- a/src/fcntl.rs
+++ b/src/fcntl.rs
@@ -18,6 +18,7 @@ mod ffi {
         use libc::{c_int, c_short, off_t, pid_t};
 
         #[repr(C)]
+        #[deriving(Copy)]
         pub struct flock {
             pub l_type: c_short,
             pub l_whence: c_short,
@@ -122,6 +123,7 @@ mod consts {
     use libc::c_int;
 
     bitflags!(
+        #[deriving(Copy)]
         flags OFlag: c_int {
             const O_ACCMODE   = 0o00000003,
             const O_RDONLY    = 0o00000000,
@@ -148,6 +150,7 @@ mod consts {
     )
 
     bitflags!(
+        #[deriving(Copy)]
         flags FdFlag: c_int {
             const FD_CLOEXEC = 1
         }