diff options
Diffstat (limited to 'src/google/protobuf/stubs/atomicops_internals_x86_msvc.cc')
-rw-r--r-- | src/google/protobuf/stubs/atomicops_internals_x86_msvc.cc | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/src/google/protobuf/stubs/atomicops_internals_x86_msvc.cc b/src/google/protobuf/stubs/atomicops_internals_x86_msvc.cc deleted file mode 100644 index 74a1bd4e..00000000 --- a/src/google/protobuf/stubs/atomicops_internals_x86_msvc.cc +++ /dev/null @@ -1,113 +0,0 @@ -// Protocol Buffers - Google's data interchange format -// Copyright 2012 Google Inc. All rights reserved. -// https://developers.google.com/protocol-buffers/ -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -// The compilation of extension_set.cc fails when windows.h is included. -// Therefore we move the code depending on windows.h to this separate cc file. - -// Don't compile this file for people not concerned about thread safety. -#ifndef GOOGLE_PROTOBUF_NO_THREAD_SAFETY - -#include <google/protobuf/stubs/atomicops.h> - -#ifdef GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_X86_MSVC_H_ - -#include <windows.h> - -namespace google { -namespace protobuf { -namespace internal { - -inline void MemoryBarrierInternal() { - // On ARM this is a define while on x86/x64 this is - // a function declared in WinNT.h - MemoryBarrier(); -} - -Atomic32 NoBarrier_CompareAndSwap(volatile Atomic32* ptr, - Atomic32 old_value, - Atomic32 new_value) { - LONG result = InterlockedCompareExchange( - reinterpret_cast<volatile LONG*>(ptr), - static_cast<LONG>(new_value), - static_cast<LONG>(old_value)); - return static_cast<Atomic32>(result); -} - -Atomic32 NoBarrier_AtomicExchange(volatile Atomic32* ptr, - Atomic32 new_value) { - LONG result = InterlockedExchange( - reinterpret_cast<volatile LONG*>(ptr), - static_cast<LONG>(new_value)); - return static_cast<Atomic32>(result); -} - -Atomic32 Barrier_AtomicIncrement(volatile Atomic32* ptr, - Atomic32 increment) { - return InterlockedExchangeAdd( - reinterpret_cast<volatile LONG*>(ptr), - static_cast<LONG>(increment)) + increment; -} - -#if defined(_WIN64) - -// 64-bit low-level operations on 64-bit platform. - -Atomic64 NoBarrier_CompareAndSwap(volatile Atomic64* ptr, - Atomic64 old_value, - Atomic64 new_value) { - PVOID result = InterlockedCompareExchangePointer( - reinterpret_cast<volatile PVOID*>(ptr), - reinterpret_cast<PVOID>(new_value), reinterpret_cast<PVOID>(old_value)); - return reinterpret_cast<Atomic64>(result); -} - -Atomic64 NoBarrier_AtomicExchange(volatile Atomic64* ptr, - Atomic64 new_value) { - PVOID result = InterlockedExchangePointer( - reinterpret_cast<volatile PVOID*>(ptr), - reinterpret_cast<PVOID>(new_value)); - return reinterpret_cast<Atomic64>(result); -} - -Atomic64 Barrier_AtomicIncrement(volatile Atomic64* ptr, - Atomic64 increment) { - return InterlockedExchangeAdd64( - reinterpret_cast<volatile LONGLONG*>(ptr), - static_cast<LONGLONG>(increment)) + increment; -} - -#endif // defined(_WIN64) - -} // namespace internal -} // namespace protobuf -} // namespace google - -#endif // GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_X86_MSVC_H_ -#endif // GOOGLE_PROTOBUF_NO_THREAD_SAFETY |