1 files changed, 6 insertions, 0 deletions
diff --git a/src/sys/signal.rs b/src/sys/signal.rs
index f533b1b2..10798ba1 100644
--- a/src/sys/signal.rs
+++ b/src/sys/signal.rs
@@ -163,6 +163,8 @@ const SIGNALS: [Signal; 31] = [
 
 pub const NSIG: libc::c_int = 32;
 
+#[derive(Clone, Copy)]
+#[allow(missing_debug_implementations)]
 pub struct SignalIterator {
     next: usize,
 }
@@ -255,6 +257,7 @@ libc_enum! {
 }
 
 #[derive(Clone, Copy)]
+#[allow(missing_debug_implementations)]
 pub struct SigSet {
     sigset: libc::sigset_t
 }
@@ -359,6 +362,8 @@ pub enum SigHandler {
     SigAction(extern fn(libc::c_int, *mut libc::siginfo_t, *mut libc::c_void))
 }
 
+#[derive(Clone, Copy)]
+#[allow(missing_debug_implementations)]
 pub struct SigAction {
     sigaction: libc::sigaction
 }
@@ -528,6 +533,7 @@ mod sigevent {
     /// Used to request asynchronous notification of the completion of certain
     /// events, such as POSIX AIO and timers.
     #[repr(C)]
+    #[derive(Clone, Copy)]
     pub struct SigEvent {
         sigevent: libc::sigevent
     }