Enhance timers to create ports

In addition to being able to sleep the current task, timers should be able to
create ports which get notified after a period of time.

Closes #10014

1 files changed, 3 insertions, 1 deletions

diff --git a/src/libstd/rt/rtio.rs b/src/libstd/rt/rtio.rs
index 29f728a5e0c..366388063d4 100644
--- a/src/libstd/rt/rtio.rs
+++ b/src/libstd/rt/rtio.rs
@@ -11,7 +11,7 @@
 use libc;
 use option::*;
 use result::*;
-use comm::SharedChan;
+use comm::{SharedChan, PortOne, Port};
 use libc::c_int;
 use c_str::CString;
 
@@ -162,6 +162,8 @@ pub trait RtioUdpSocket : RtioSocket {
 
 pub trait RtioTimer {
     fn sleep(&mut self, msecs: u64);
+    fn oneshot(&mut self, msecs: u64) -> PortOne<()>;
+    fn period(&mut self, msecs: u64) -> Port<()>;
 }
 
 pub trait RtioFileStream {