File adding-Release_CompareAndSwap-64-bit-variant.patch of Package protobuf.17847

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File adding-Release_CompareAndSwap-64-bit-variant.patch of Package protobuf.17847

From 642e1ac635f2563b4a14c255374f02645ae85dac Mon Sep 17 00:00:00 2001
From: Nayana-ibm <nayana.thorat@gmail.com>
Date: Mon, 27 Nov 2017 05:43:30 -0500
Subject: [PATCH] Adding Release_CompareAndSwap 64-bit variant

---
 src/google/protobuf/stubs/atomicops_internals_generic_gcc.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/google/protobuf/stubs/atomicops_internals_generic_gcc.h b/src/google/protobuf/stubs/atomicops_internals_generic_gcc.h
index 0b0b06ce..075c406a 100644
--- a/src/google/protobuf/stubs/atomicops_internals_generic_gcc.h
+++ b/src/google/protobuf/stubs/atomicops_internals_generic_gcc.h
@@ -146,6 +146,14 @@ inline Atomic64 NoBarrier_Load(volatile const Atomic64* ptr) {
   return __atomic_load_n(ptr, __ATOMIC_RELAXED);
 }
 
+inline Atomic64 Release_CompareAndSwap(volatile Atomic64* ptr,
+                                       Atomic64 old_value,
+                                       Atomic64 new_value) {
+  __atomic_compare_exchange_n(ptr, &old_value, new_value, false,
+                              __ATOMIC_RELEASE, __ATOMIC_ACQUIRE);
+  return old_value;
+}
+
 #endif // defined(__LP64__)
 
 }  // namespace internal
-- 
2.16.1

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File adding-Release_CompareAndSwap-64-bit-variant.patch of Package protobuf.17847

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