diff --git a/src/runtime/error.rs b/src/runtime/error.rs
new file mode 100644
index 0000000000000000000000000000000000000000..0072ca449f2d0d940ad49d0341c745f5c40cf978
--- /dev/null
+++ b/src/runtime/error.rs
@@ -0,0 +1,15 @@
+use crate::common::*;
+
+pub enum EndpointError {
+    MalformedMessage,
+    BrokenEndpoint,
+}
+pub enum TryRecyAnyError {
+    Timeout,
+    PollFailed,
+    EndpointError { error: EndpointError, index: usize },
+    BrokenEndpoint(usize),
+}
+pub enum SyncError {
+    Timeout,
+}