From 0221e300c0955fcb4ea22c00744d45360208ac3a Mon Sep 17 00:00:00 2001
From: Quinton Miller <nicetas.c@gmail.com>
Date: Sat, 7 Sep 2024 17:37:21 +0800
Subject: [PATCH] abstract

---
 src/crystal/system/win32/iocp.cr | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/crystal/system/win32/iocp.cr b/src/crystal/system/win32/iocp.cr
index ac218290f789..384784a193db 100644
--- a/src/crystal/system/win32/iocp.cr
+++ b/src/crystal/system/win32/iocp.cr
@@ -85,6 +85,7 @@ module Crystal::IOCP
     end
 
     abstract def wait_for_result(timeout, & : WinError ->)
+    private abstract def try_cancel : Bool
 
     @overlapped = LibC::OVERLAPPED.new
     @fiber = Fiber.current