From 3569a76dc5f25ddf84b791a1073021cd90aa674d Mon Sep 17 00:00:00 2001
From: Craig Tiller <ctiller@google.com>
Date: Thu, 6 Apr 2017 11:47:10 -0700
Subject: [PATCH] Explicitly include atm to fix Windows build

---
 src/core/lib/iomgr/lockfree_event.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/core/lib/iomgr/lockfree_event.h b/src/core/lib/iomgr/lockfree_event.h
index 32eb7554f96..1d9119204ca 100644
--- a/src/core/lib/iomgr/lockfree_event.h
+++ b/src/core/lib/iomgr/lockfree_event.h
@@ -36,6 +36,8 @@
 
 /* Lock free event notification for file descriptors */
 
+#include <grpc/support/atm.h>
+
 #include "src/core/lib/iomgr/exec_ctx.h"
 
 void grpc_lfev_init(gpr_atm *state);