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29 lines
1.1 KiB
Diff
29 lines
1.1 KiB
Diff
From 642e1ac635f2563b4a14c255374f02645ae85dac Mon Sep 17 00:00:00 2001
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From: Nayana-ibm <nayana.thorat@gmail.com>
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Date: Mon, 27 Nov 2017 05:43:30 -0500
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Subject: [PATCH] Adding Release_CompareAndSwap 64-bit variant
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---
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src/google/protobuf/stubs/atomicops_internals_generic_gcc.h | 8 ++++++++
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1 file changed, 8 insertions(+)
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diff --git a/src/google/protobuf/stubs/atomicops_internals_generic_gcc.h b/src/google/protobuf/stubs/atomicops_internals_generic_gcc.h
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index 0b0b06ce6c..075c406aba 100644
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--- a/src/google/protobuf/stubs/atomicops_internals_generic_gcc.h
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+++ b/src/google/protobuf/stubs/atomicops_internals_generic_gcc.h
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@@ -146,6 +146,14 @@ inline Atomic64 NoBarrier_Load(volatile const Atomic64* ptr) {
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return __atomic_load_n(ptr, __ATOMIC_RELAXED);
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}
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+inline Atomic64 Release_CompareAndSwap(volatile Atomic64* ptr,
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+ Atomic64 old_value,
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+ Atomic64 new_value) {
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+ __atomic_compare_exchange_n(ptr, &old_value, new_value, false,
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+ __ATOMIC_RELEASE, __ATOMIC_ACQUIRE);
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+ return old_value;
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+}
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+
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#endif // defined(__LP64__)
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} // namespace internal
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