Fix windows
diff --git a/src/core/iomgr/pollset_windows.c b/src/core/iomgr/pollset_windows.c
index 6182eb3..9686a32 100644
--- a/src/core/iomgr/pollset_windows.c
+++ b/src/core/iomgr/pollset_windows.c
@@ -149,4 +149,8 @@
   }
 }
 
+void grpc_kick_poller(void) {
+  grpc_iocp_kick();
+}
+
 #endif /* GPR_WINSOCK_SOCKET */