From 3d87707b0728df6dd37d5fe61f5ce4242eb93b8e Mon Sep 17 00:00:00 2001
From: cheatfate <eugene.kabanov@status.im>
Date: Tue, 26 Mar 2019 14:29:35 +0200
Subject: [PATCH] Fix #21.

---
 chronos/asyncloop.nim | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/chronos/asyncloop.nim b/chronos/asyncloop.nim
index f68fc17..3beb766 100644
--- a/chronos/asyncloop.nim
+++ b/chronos/asyncloop.nim
@@ -267,7 +267,7 @@ when defined(windows) or defined(nimdoc):
                                 lpOverlapped: POVERLAPPED,
                                 lpTransmitBuffers: pointer,
                                 dwReserved: DWORD): cint {.
-                                stdcall.}
+                                gcsafe, stdcall.}
 
     CompletionKey = ULONG_PTR