Update //third_party/protobuf to version 3.

third_party/protobuf/src/google/protobuf/stubs/atomicops_internals_solaris.h

-// Protocol Buffers - Google's data interchange format
-// Copyright 2012 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// Copyright 2014 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_
+#ifndef GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_SPARC_GCC_H_
+#define GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_SPARC_GCC_H_
 
-#include <libkern/OSAtomic.h>
+#include <atomic.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;
+  return (Atomic32)atomic_cas_32((volatile uint32_t*)ptr, (uint32_t)old_value, (uint32_t)new_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;
+  return (Atomic32)atomic_swap_32((volatile uint32_t*)ptr, (uint32_t)new_value);
 }
 
 inline Atomic32 NoBarrier_AtomicIncrement(volatile Atomic32* ptr,
                                           Atomic32 increment) {
-  return OSAtomicAdd32(increment, const_cast<Atomic32*>(ptr));
+  return (Atomic32)atomic_add_32_nv((volatile uint32_t*)ptr, (uint32_t)increment);
+}
+
+inline void MemoryBarrier(void) {
+        membar_producer();
+        membar_consumer();
 }
 
 inline Atomic32 Barrier_AtomicIncrement(volatile Atomic32* ptr,
-                                          Atomic32 increment) {
-  return OSAtomicAdd32Barrier(increment, const_cast<Atomic32*>(ptr));
-}
+                                        Atomic32 increment) {
+  MemoryBarrier();
+  Atomic32 ret = NoBarrier_AtomicIncrement(ptr, increment);
+  MemoryBarrier();
 
-inline void MemoryBarrier() {
-  OSMemoryBarrier();
+  return ret;
 }
 
 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;
+  Atomic32 ret = NoBarrier_CompareAndSwap(ptr, old_value, new_value);
+  MemoryBarrier();
+
+  return ret;
 }
 
 inline Atomic32 Release_CompareAndSwap(volatile Atomic32* ptr,
                                        Atomic32 old_value,
                                        Atomic32 new_value) {
-  return Acquire_CompareAndSwap(ptr, old_value, new_value);
+  MemoryBarrier();
+  return NoBarrier_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;
-  MemoryBarrier();
+  membar_producer();
 }
 
 inline void Release_Store(volatile Atomic32* ptr, Atomic32 value) {
-  MemoryBarrier();
+  membar_consumer();
   *ptr = value;
 }
 
 inline Atomic32 NoBarrier_Load(volatile const Atomic32* ptr) {
   return *ptr;
 }
 
 inline Atomic32 Acquire_Load(volatile const Atomic32* ptr) {
-  Atomic32 value = *ptr;
-  MemoryBarrier();
-  return value;
+  Atomic32 val = *ptr;
+  membar_consumer();
+  return val;
 }
 
 inline Atomic32 Release_Load(volatile const Atomic32* ptr) {
-  MemoryBarrier();
+  membar_producer();
   return *ptr;
 }
 
-#ifdef __LP64__
-
-// 64-bit implementation on 64-bit platform
-
+#ifdef GOOGLE_PROTOBUF_ARCH_64_BIT
 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;
+  return atomic_cas_64((volatile uint64_t*)ptr, (uint64_t)old_value, (uint64_t)new_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_AtomicExchange(volatile Atomic64* ptr, Atomic64 new_value) {
+  return atomic_swap_64((volatile uint64_t*)ptr, (uint64_t)new_value);
 }
 
-inline Atomic64 NoBarrier_AtomicIncrement(volatile Atomic64* ptr,
-                                          Atomic64 increment) {
-  return OSAtomicAdd64(increment, reinterpret_cast<volatile int64_t*>(ptr));
+inline Atomic64 NoBarrier_AtomicIncrement(volatile Atomic64* ptr, Atomic64 increment) {
+  return atomic_add_64_nv((volatile uint64_t*)ptr, increment);
 }
 
-inline Atomic64 Barrier_AtomicIncrement(volatile Atomic64* ptr,
-                                        Atomic64 increment) {
-  return OSAtomicAdd64Barrier(increment,
-                              reinterpret_cast<volatile int64_t*>(ptr));
+inline Atomic64 Barrier_AtomicIncrement(volatile Atomic64* ptr, Atomic64 increment) {
+  MemoryBarrier();
+  Atomic64 ret = atomic_add_64_nv((volatile uint64_t*)ptr, increment);
+  MemoryBarrier();
+  return ret;
 }
 
 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;
+  Atomic64 ret = NoBarrier_CompareAndSwap(ptr, old_value, new_value);
+  MemoryBarrier();
+  return ret;
 }
 
 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);
+  MemoryBarrier();
+  return NoBarrier_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;
-  MemoryBarrier();
+  membar_producer();
 }
 
 inline void Release_Store(volatile Atomic64* ptr, Atomic64 value) {
-  MemoryBarrier();
+  membar_consumer();
   *ptr = value;
 }
 
 inline Atomic64 NoBarrier_Load(volatile const Atomic64* ptr) {
   return *ptr;
 }
 
 inline Atomic64 Acquire_Load(volatile const Atomic64* ptr) {
-  Atomic64 value = *ptr;
-  MemoryBarrier();
-  return value;
+  Atomic64 ret = *ptr;
+  membar_consumer();
+  return ret;
 }
 
 inline Atomic64 Release_Load(volatile const Atomic64* ptr) {
-  MemoryBarrier();
+  membar_producer();
   return *ptr;
 }
-
-#endif  // defined(__LP64__)
+#endif
 
 }  // namespace internal
 }  // namespace protobuf
 }  // namespace google
 
-#endif  // GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_MACOSX_H_
+#endif  // GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_SPARC_GCC_H_
+