From 850568944ae0e5959f939aa539ce6ad8c07c99c9 Mon Sep 17 00:00:00 2001
From: Nicolas Noble <nnoble@google.com>
Date: Tue, 10 Oct 2017 09:47:50 -0700
Subject: Fixing init-test timeout.

---
 src/core/lib/iomgr/iocp_windows.cc | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/core/lib/iomgr/iocp_windows.cc b/src/core/lib/iomgr/iocp_windows.cc
index 336cc86c75..7da60c2c14 100644
--- a/src/core/lib/iomgr/iocp_windows.cc
+++ b/src/core/lib/iomgr/iocp_windows.cc
@@ -21,6 +21,7 @@
 #ifdef GRPC_WINSOCK_SOCKET
 
 #include <winsock2.h>
+#include <limits>
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
@@ -43,11 +44,14 @@ static HANDLE g_iocp;
 
 static DWORD deadline_to_millis_timeout(grpc_exec_ctx *exec_ctx,
                                         grpc_millis deadline) {
-  gpr_timespec timeout;
   if (deadline == GRPC_MILLIS_INF_FUTURE) {
     return INFINITE;
   }
-  return (DWORD)GPR_MAX(0, deadline - grpc_exec_ctx_now(exec_ctx));
+  grpc_millis now = grpc_exec_ctx_now(exec_ctx);
+  if (deadline < now) return 0;
+  grpc_millis timeout = deadline - now;
+  if (timeout > std::numeric_limits<DWORD>::max()) return INFINITE;
+  return static_cast<DWORD>(deadline - now);
 }
 
 grpc_iocp_work_status grpc_iocp_work(grpc_exec_ctx *exec_ctx,
-- 
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