From 2c3d835d66d5e26aa2695a148cae9c255e8e2a16 Mon Sep 17 00:00:00 2001
From: Craig Tiller <ctiller@google.com>
Date: Thu, 6 Apr 2017 16:09:52 -0700
Subject: [PATCH] Implement gpr_atm_full_cas for Windows
---
include/grpc/impl/codegen/atm_windows.h | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/include/grpc/impl/codegen/atm_windows.h b/include/grpc/impl/codegen/atm_windows.h
index b8f63da758..a533651f6f 100644
--- a/include/grpc/impl/codegen/atm_windows.h
+++ b/include/grpc/impl/codegen/atm_windows.h
@@ -95,6 +95,16 @@ static __inline int gpr_atm_rel_cas(gpr_atm *p, gpr_atm o, gpr_atm n) {
#endif
}
+static __inline int gpr_atm_full_cas(gpr_atm *p, gpr_atm o, gpr_atm n) {
+#ifdef GPR_ARCH_64
+ return o == (gpr_atm)InterlockedCompareExchange64((volatile LONGLONG *)p,
+ (LONGLONG)n, (LONGLONG)o);
+#else
+ return o == (gpr_atm)InterlockedCompareExchange((volatile LONG *)p, (LONG)n,
+ (LONG)o);
+#endif
+}
+
static __inline gpr_atm gpr_atm_no_barrier_fetch_add(gpr_atm *p,
gpr_atm delta) {
/* Use the CAS operation to get pointer-sized fetch and add */
--
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