Move platform_thread to base/threading and put in the base namespace. I left ...

base/platform_thread_win.cc

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "base/platform_thread.h"
-
-#include "base/logging.h"
-#include "base/thread_restrictions.h"
-#include "base/win/windows_version.h"
-
-namespace {
-
-// The information on how to set the thread name comes from
-// a MSDN article: http://msdn2.microsoft.com/en-us/library/xcb2z8hs.aspx
-const DWORD kVCThreadNameException = 0x406D1388;
-
-typedef struct tagTHREADNAME_INFO {
-  DWORD dwType;  // Must be 0x1000.
-  LPCSTR szName;  // Pointer to name (in user addr space).
-  DWORD dwThreadID;  // Thread ID (-1=caller thread).
-  DWORD dwFlags;  // Reserved for future use, must be zero.
-} THREADNAME_INFO;
-
-struct ThreadParams {
-  PlatformThread::Delegate* delegate;
-  bool joinable;
-};
-
-DWORD __stdcall ThreadFunc(void* params) {
-  ThreadParams* thread_params = static_cast<ThreadParams*>(params);
-  PlatformThread::Delegate* delegate = thread_params->delegate;
-  if (!thread_params->joinable)
-    base::ThreadRestrictions::SetSingletonAllowed(false);
-  delete thread_params;
-  delegate->ThreadMain();
-  return NULL;
-}
-
-// CreateThreadInternal() matches PlatformThread::Create(), except that
-// |out_thread_handle| may be NULL, in which case a non-joinable thread is
-// created.
-bool CreateThreadInternal(size_t stack_size,
-                          PlatformThread::Delegate* delegate,
-                          PlatformThreadHandle* out_thread_handle) {
-  PlatformThreadHandle thread_handle;
-  unsigned int flags = 0;
-  if (stack_size > 0 && base::win::GetVersion() >= base::win::VERSION_XP) {
-    flags = STACK_SIZE_PARAM_IS_A_RESERVATION;
-  } else {
-    stack_size = 0;
-  }
-
-  ThreadParams* params = new ThreadParams;
-  params->delegate = delegate;
-  params->joinable = out_thread_handle != NULL;
-
-  // Using CreateThread here vs _beginthreadex makes thread creation a bit
-  // faster and doesn't require the loader lock to be available.  Our code will
-  // have to work running on CreateThread() threads anyway, since we run code
-  // on the Windows thread pool, etc.  For some background on the difference:
-  //   http://www.microsoft.com/msj/1099/win32/win321099.aspx
-  thread_handle = CreateThread(
-      NULL, stack_size, ThreadFunc, params, flags, NULL);
-  if (!thread_handle) {
-    delete params;
-    return false;
-  }
-
-  if (out_thread_handle)
-    *out_thread_handle = thread_handle;
-  else
-    CloseHandle(thread_handle);
-  return true;
-}
-
-}  // namespace
-
-// static
-PlatformThreadId PlatformThread::CurrentId() {
-  return GetCurrentThreadId();
-}
-
-// static
-void PlatformThread::YieldCurrentThread() {
-  ::Sleep(0);
-}
-
-// static
-void PlatformThread::Sleep(int duration_ms) {
-  ::Sleep(duration_ms);
-}
-
-// static
-void PlatformThread::SetName(const char* name) {
-  // The debugger needs to be around to catch the name in the exception.  If
-  // there isn't a debugger, we are just needlessly throwing an exception.
-  if (!::IsDebuggerPresent())
-    return;
-
-  THREADNAME_INFO info;
-  info.dwType = 0x1000;
-  info.szName = name;
-  info.dwThreadID = CurrentId();
-  info.dwFlags = 0;
-
-  __try {
-    RaiseException(kVCThreadNameException, 0, sizeof(info)/sizeof(DWORD),
-                   reinterpret_cast<DWORD_PTR*>(&info));
-  } __except(EXCEPTION_CONTINUE_EXECUTION) {
-  }
-}
-
-// static
-bool PlatformThread::Create(size_t stack_size, Delegate* delegate,
-                            PlatformThreadHandle* thread_handle) {
-  DCHECK(thread_handle);
-  return CreateThreadInternal(stack_size, delegate, thread_handle);
-}
-
-// static
-bool PlatformThread::CreateNonJoinable(size_t stack_size, Delegate* delegate) {
-  return CreateThreadInternal(stack_size, delegate, NULL);
-}
-
-// static
-void PlatformThread::Join(PlatformThreadHandle thread_handle) {
-  DCHECK(thread_handle);
-  // TODO(willchan): Enable this check once I can get it to work for Windows
-  // shutdown.
-  // Joining another thread may block the current thread for a long time, since
-  // the thread referred to by |thread_handle| may still be running long-lived /
-  // blocking tasks.
-#if 0
-  base::ThreadRestrictions::AssertIOAllowed();
-#endif
-
-  // Wait for the thread to exit.  It should already have terminated but make
-  // sure this assumption is valid.
-  DWORD result = WaitForSingleObject(thread_handle, INFINITE);
-  DCHECK_EQ(WAIT_OBJECT_0, result);
-
-  CloseHandle(thread_handle);
-}