Move atomic ops and related files to base library

src/platform-posix.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Platform-specific code for POSIX goes here. This is not a platform on its
 // own, but contains the parts which are the same across the POSIX platforms
 // Linux, MacOS, FreeBSD, OpenBSD, NetBSD and QNX.
 
 #include <dlfcn.h>
 #include <pthread.h>
@@ skipping 581 matching lines @@
   intptr_t ptr_key = static_cast<intptr_t>(local_key);
   return reinterpret_cast<pthread_key_t>(ptr_key);
 #else
   return static_cast<pthread_key_t>(local_key);
 #endif
 }
 
 
 #ifdef V8_FAST_TLS_SUPPORTED
 
-static Atomic32 tls_base_offset_initialized = 0;
+static base::Atomic32 tls_base_offset_initialized = 0;

[Jakob Kummerow, 2014/06/05 11:49:06]

IWYU?

 intptr_t kMacTlsBaseOffset = 0;
 
 // It's safe to do the initialization more that once, but it has to be
 // done at least once.
 static void InitializeTlsBaseOffset() {
   const size_t kBufferSize = 128;
   char buffer[kBufferSize];
   size_t buffer_size = kBufferSize;
   int ctl_name[] = { CTL_KERN , KERN_OSRELEASE };
   if (sysctl(ctl_name, 2, buffer, &buffer_size, NULL, 0) != 0) {
@@ skipping 15 matching lines @@
 #if V8_HOST_ARCH_IA32
     kMacTlsBaseOffset = 0x48;
 #else
     kMacTlsBaseOffset = 0x60;
 #endif
   } else {
     // 11.x.x (Lion) changed the offset.
     kMacTlsBaseOffset = 0;
   }
 
-  Release_Store(&tls_base_offset_initialized, 1);
+  base::Release_Store(&tls_base_offset_initialized, 1);
 }
 
 
 static void CheckFastTls(Thread::LocalStorageKey key) {
   void* expected = reinterpret_cast<void*>(0x1234CAFE);
   Thread::SetThreadLocal(key, expected);
   void* actual = Thread::GetExistingThreadLocal(key);
   if (expected != actual) {
     V8_Fatal(__FILE__, __LINE__,
              "V8 failed to initialize fast TLS on current kernel");
@@ skipping 41 matching lines @@
 
 void Thread::SetThreadLocal(LocalStorageKey key, void* value) {
   pthread_key_t pthread_key = LocalKeyToPthreadKey(key);
   int result = pthread_setspecific(pthread_key, value);
   ASSERT_EQ(0, result);
   USE(result);
 }
 
 
 } }  // namespace v8::internal