diff options
author | Jonathan Hseu <vomjom@vomjom.net> | 2017-02-10 14:55:34 -0800 |
---|---|---|
committer | Paul Yang <TeBoring@users.noreply.github.com> | 2017-02-10 14:55:34 -0800 |
commit | ef927cc428db7bf41d3a593a16a8f1a0fe6306c5 (patch) | |
tree | f5278239459c17f11f7cb64a4db33358147f1f3a /src/google | |
parent | 1d2736f24d1e86af460098827ce28fa710b2a931 (diff) | |
download | protobuf-ef927cc428db7bf41d3a593a16a8f1a0fe6306c5.tar.gz protobuf-ef927cc428db7bf41d3a593a16a8f1a0fe6306c5.tar.bz2 protobuf-ef927cc428db7bf41d3a593a16a8f1a0fe6306c5.zip |
Switch to gcc atomic intrinsics for macOS and delete the file that uses (#2699)
the deprecated atomics.
Diffstat (limited to 'src/google')
-rw-r--r-- | src/google/protobuf/stubs/atomicops.h | 11 | ||||
-rw-r--r-- | src/google/protobuf/stubs/atomicops_internals_macosx.h | 225 |
2 files changed, 3 insertions, 233 deletions
diff --git a/src/google/protobuf/stubs/atomicops.h b/src/google/protobuf/stubs/atomicops.h index c25492f3..75aee306 100644 --- a/src/google/protobuf/stubs/atomicops.h +++ b/src/google/protobuf/stubs/atomicops.h @@ -194,14 +194,6 @@ Atomic64 Release_Load(volatile const Atomic64* ptr); #elif defined(GOOGLE_PROTOBUF_OS_AIX) #include <google/protobuf/stubs/atomicops_internals_power.h> -// Apple. -#elif defined(GOOGLE_PROTOBUF_OS_APPLE) -#if __has_feature(cxx_atomic) || _GNUC_VER >= 407 -#include <google/protobuf/stubs/atomicops_internals_generic_c11_atomic.h> -#else // __has_feature(cxx_atomic) || _GNUC_VER >= 407 -#include <google/protobuf/stubs/atomicops_internals_macosx.h> -#endif // __has_feature(cxx_atomic) || _GNUC_VER >= 407 - // GCC. #elif defined(__GNUC__) #if defined(GOOGLE_PROTOBUF_ARCH_IA32) || defined(GOOGLE_PROTOBUF_ARCH_X64) @@ -221,6 +213,9 @@ Atomic64 Release_Load(volatile const Atomic64* ptr); #elif defined(GOOGLE_PROTOBUF_ARCH_POWER) #include <google/protobuf/stubs/atomicops_internals_power.h> #elif defined(__native_client__) +// The static_asserts in the C++11 atomics implementation cause it to fail +// with certain compilers, e.g. nvcc on macOS. Don't use elsewhere unless +// the TODO in that file is addressed. #include <google/protobuf/stubs/atomicops_internals_generic_c11_atomic.h> #elif defined(GOOGLE_PROTOBUF_ARCH_PPC) #include <google/protobuf/stubs/atomicops_internals_ppc_gcc.h> diff --git a/src/google/protobuf/stubs/atomicops_internals_macosx.h b/src/google/protobuf/stubs/atomicops_internals_macosx.h deleted file mode 100644 index c242ef73..00000000 --- a/src/google/protobuf/stubs/atomicops_internals_macosx.h +++ /dev/null @@ -1,225 +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. - -// This file is an internal atomic implementation, use atomicops.h instead. - -#ifndef GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_MACOSX_H_ -#define GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_MACOSX_H_ - -#include <libkern/OSAtomic.h> - -namespace google { -namespace protobuf { -namespace internal { - -inline Atomic32 NoBarrier_CompareAndSwap(volatile Atomic32* ptr, - Atomic32 old_value, - Atomic32 new_value) { - Atomic32 prev_value; - do { - if (OSAtomicCompareAndSwap32(old_value, new_value, - const_cast<Atomic32*>(ptr))) { - return old_value; - } - prev_value = *ptr; - } while (prev_value == old_value); - return prev_value; -} - -inline Atomic32 NoBarrier_AtomicExchange(volatile Atomic32* ptr, - Atomic32 new_value) { - Atomic32 old_value; - do { - old_value = *ptr; - } while (!OSAtomicCompareAndSwap32(old_value, new_value, - const_cast<Atomic32*>(ptr))); - return old_value; -} - -inline Atomic32 NoBarrier_AtomicIncrement(volatile Atomic32* ptr, - Atomic32 increment) { - return OSAtomicAdd32(increment, const_cast<Atomic32*>(ptr)); -} - -inline Atomic32 Barrier_AtomicIncrement(volatile Atomic32* ptr, - Atomic32 increment) { - return OSAtomicAdd32Barrier(increment, const_cast<Atomic32*>(ptr)); -} - -inline void MemoryBarrierInternal() { - OSMemoryBarrier(); -} - -inline Atomic32 Acquire_CompareAndSwap(volatile Atomic32* ptr, - Atomic32 old_value, - Atomic32 new_value) { - Atomic32 prev_value; - do { - if (OSAtomicCompareAndSwap32Barrier(old_value, new_value, - const_cast<Atomic32*>(ptr))) { - return old_value; - } - prev_value = *ptr; - } while (prev_value == old_value); - return prev_value; -} - -inline Atomic32 Release_CompareAndSwap(volatile Atomic32* ptr, - Atomic32 old_value, - Atomic32 new_value) { - return Acquire_CompareAndSwap(ptr, old_value, new_value); -} - -inline void NoBarrier_Store(volatile Atomic32* ptr, Atomic32 value) { - *ptr = value; -} - -inline void Acquire_Store(volatile Atomic32* ptr, Atomic32 value) { - *ptr = value; - MemoryBarrierInternal(); -} - -inline void Release_Store(volatile Atomic32* ptr, Atomic32 value) { - MemoryBarrierInternal(); - *ptr = value; -} - -inline Atomic32 NoBarrier_Load(volatile const Atomic32* ptr) { - return *ptr; -} - -inline Atomic32 Acquire_Load(volatile const Atomic32* ptr) { - Atomic32 value = *ptr; - MemoryBarrierInternal(); - return value; -} - -inline Atomic32 Release_Load(volatile const Atomic32* ptr) { - MemoryBarrierInternal(); - return *ptr; -} - -#ifdef __LP64__ - -// 64-bit implementation on 64-bit platform - -inline Atomic64 NoBarrier_CompareAndSwap(volatile Atomic64* ptr, - Atomic64 old_value, - Atomic64 new_value) { - Atomic64 prev_value; - do { - if (OSAtomicCompareAndSwap64(old_value, new_value, - reinterpret_cast<volatile int64_t*>(ptr))) { - return old_value; - } - prev_value = *ptr; - } while (prev_value == old_value); - return prev_value; -} - -inline Atomic64 NoBarrier_AtomicExchange(volatile Atomic64* ptr, - Atomic64 new_value) { - Atomic64 old_value; - do { - old_value = *ptr; - } while (!OSAtomicCompareAndSwap64(old_value, new_value, - reinterpret_cast<volatile int64_t*>(ptr))); - return old_value; -} - -inline Atomic64 NoBarrier_AtomicIncrement(volatile Atomic64* ptr, - Atomic64 increment) { - return OSAtomicAdd64(increment, reinterpret_cast<volatile int64_t*>(ptr)); -} - -inline Atomic64 Barrier_AtomicIncrement(volatile Atomic64* ptr, - Atomic64 increment) { - return OSAtomicAdd64Barrier(increment, - reinterpret_cast<volatile int64_t*>(ptr)); -} - -inline Atomic64 Acquire_CompareAndSwap(volatile Atomic64* ptr, - Atomic64 old_value, - Atomic64 new_value) { - Atomic64 prev_value; - do { - if (OSAtomicCompareAndSwap64Barrier( - old_value, new_value, reinterpret_cast<volatile int64_t*>(ptr))) { - return old_value; - } - prev_value = *ptr; - } while (prev_value == old_value); - return prev_value; -} - -inline Atomic64 Release_CompareAndSwap(volatile Atomic64* ptr, - Atomic64 old_value, - Atomic64 new_value) { - // The lib kern interface does not distinguish between - // Acquire and Release memory barriers; they are equivalent. - return Acquire_CompareAndSwap(ptr, old_value, new_value); -} - -inline void NoBarrier_Store(volatile Atomic64* ptr, Atomic64 value) { - *ptr = value; -} - -inline void Acquire_Store(volatile Atomic64* ptr, Atomic64 value) { - *ptr = value; - MemoryBarrierInternal(); -} - -inline void Release_Store(volatile Atomic64* ptr, Atomic64 value) { - MemoryBarrierInternal(); - *ptr = value; -} - -inline Atomic64 NoBarrier_Load(volatile const Atomic64* ptr) { - return *ptr; -} - -inline Atomic64 Acquire_Load(volatile const Atomic64* ptr) { - Atomic64 value = *ptr; - MemoryBarrierInternal(); - return value; -} - -inline Atomic64 Release_Load(volatile const Atomic64* ptr) { - MemoryBarrierInternal(); - return *ptr; -} - -#endif // defined(__LP64__) - -} // namespace internal -} // namespace protobuf -} // namespace google - -#endif // GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_MACOSX_H_ |