1 files changed, 0 insertions, 284 deletions
diff --git a/security/sandbox/chromium/base/threading/platform_thread_win.cc b/security/sandbox/chromium/base/threading/platform_thread_win.cc
deleted file mode 100644
index d5bd9bed0..000000000
--- a/security/sandbox/chromium/base/threading/platform_thread_win.cc
+++ /dev/null
@@ -1,284 +0,0 @@
-// Copyright (c) 2012 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/threading/platform_thread.h"
-
-#include <stddef.h>
-
-#include "base/debug/alias.h"
-#include "base/debug/profiler.h"
-#include "base/logging.h"
-#include "base/threading/thread_id_name_manager.h"
-#include "base/threading/thread_restrictions.h"
-#include "base/tracked_objects.h"
-#include "base/win/scoped_handle.h"
-#include "base/win/windows_version.h"
-
-namespace base {
-
-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;
-
-// This function has try handling, so it is separated out of its caller.
-void SetNameInternal(PlatformThreadId thread_id, const char* name) {
-  THREADNAME_INFO info;
-  info.dwType = 0x1000;
-  info.szName = name;
-  info.dwThreadID = thread_id;
-  info.dwFlags = 0;
-
-  __try {
-    RaiseException(kVCThreadNameException, 0, sizeof(info)/sizeof(DWORD),
-                   reinterpret_cast<DWORD_PTR*>(&info));
-  } __except(EXCEPTION_CONTINUE_EXECUTION) {
-  }
-}
-
-struct ThreadParams {
-  PlatformThread::Delegate* delegate;
-  bool joinable;
-  ThreadPriority priority;
-};
-
-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);
-
-  if (thread_params->priority != ThreadPriority::NORMAL)
-    PlatformThread::SetCurrentThreadPriority(thread_params->priority);
-
-  // Retrieve a copy of the thread handle to use as the key in the
-  // thread name mapping.
-  PlatformThreadHandle::Handle platform_handle;
-  BOOL did_dup = DuplicateHandle(GetCurrentProcess(),
-                                GetCurrentThread(),
-                                GetCurrentProcess(),
-                                &platform_handle,
-                                0,
-                                FALSE,
-                                DUPLICATE_SAME_ACCESS);
-
-  win::ScopedHandle scoped_platform_handle;
-
-  if (did_dup) {
-    scoped_platform_handle.Set(platform_handle);
-    ThreadIdNameManager::GetInstance()->RegisterThread(
-        scoped_platform_handle.Get(),
-        PlatformThread::CurrentId());
-  }
-
-  delete thread_params;
-  delegate->ThreadMain();
-
-  if (did_dup) {
-    ThreadIdNameManager::GetInstance()->RemoveName(
-        scoped_platform_handle.Get(),
-        PlatformThread::CurrentId());
-  }
-
-  return 0;
-}
-
-// CreateThreadInternal() matches PlatformThread::CreateWithPriority(), except
-// that |out_thread_handle| may be nullptr, in which case a non-joinable thread
-// is created.
-bool CreateThreadInternal(size_t stack_size,
-                          PlatformThread::Delegate* delegate,
-                          PlatformThreadHandle* out_thread_handle,
-                          ThreadPriority priority) {
-  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 != nullptr;
-  params->priority = priority;
-
-  // 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
-  void* thread_handle =
-      ::CreateThread(nullptr, stack_size, ThreadFunc, params, flags, nullptr);
-  if (!thread_handle) {
-    delete params;
-    return false;
-  }
-
-  if (out_thread_handle)
-    *out_thread_handle = PlatformThreadHandle(thread_handle);
-  else
-    CloseHandle(thread_handle);
-  return true;
-}
-
-}  // namespace
-
-// static
-PlatformThreadId PlatformThread::CurrentId() {
-  return ::GetCurrentThreadId();
-}
-
-// static
-PlatformThreadRef PlatformThread::CurrentRef() {
-  return PlatformThreadRef(::GetCurrentThreadId());
-}
-
-// static
-PlatformThreadHandle PlatformThread::CurrentHandle() {
-  return PlatformThreadHandle(::GetCurrentThread());
-}
-
-// static
-void PlatformThread::YieldCurrentThread() {
-  ::Sleep(0);
-}
-
-// static
-void PlatformThread::Sleep(TimeDelta duration) {
-  // When measured with a high resolution clock, Sleep() sometimes returns much
-  // too early. We may need to call it repeatedly to get the desired duration.
-  TimeTicks end = TimeTicks::Now() + duration;
-  for (TimeTicks now = TimeTicks::Now(); now < end; now = TimeTicks::Now())
-    ::Sleep(static_cast<DWORD>((end - now).InMillisecondsRoundedUp()));
-}
-
-// static
-void PlatformThread::SetName(const std::string& name) {
-  ThreadIdNameManager::GetInstance()->SetName(CurrentId(), name);
-
-  // On Windows only, we don't need to tell the profiler about the "BrokerEvent"
-  // thread, as it exists only in the chrome.exe image, and never spawns or runs
-  // tasks (items which could be profiled).  This test avoids the notification,
-  // which would also (as a side effect) initialize the profiler in this unused
-  // context, including setting up thread local storage, etc.  The performance
-  // impact is not terrible, but there is no reason to do initialize it.
-  if (name != "BrokerEvent")
-    tracked_objects::ThreadData::InitializeThreadContext(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 this image file is instrumented, we raise the exception anyway
-  // to provide the profiler with human-readable thread names.
-  if (!::IsDebuggerPresent() && !base::debug::IsBinaryInstrumented())
-    return;
-
-  SetNameInternal(CurrentId(), name.c_str());
-}
-
-// static
-const char* PlatformThread::GetName() {
-  return ThreadIdNameManager::GetInstance()->GetName(CurrentId());
-}
-
-// static
-bool PlatformThread::CreateWithPriority(size_t stack_size, Delegate* delegate,
-                                        PlatformThreadHandle* thread_handle,
-                                        ThreadPriority priority) {
-  DCHECK(thread_handle);
-  return CreateThreadInternal(stack_size, delegate, thread_handle, priority);
-}
-
-// static
-bool PlatformThread::CreateNonJoinable(size_t stack_size, Delegate* delegate) {
-  return CreateThreadInternal(stack_size, delegate, nullptr,
-                              ThreadPriority::NORMAL);
-}
-
-// static
-void PlatformThread::Join(PlatformThreadHandle thread_handle) {
-  DCHECK(thread_handle.platform_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.platform_handle(), INFINITE);
-  if (result != WAIT_OBJECT_0) {
-    // Debug info for bug 127931.
-    DWORD error = GetLastError();
-    debug::Alias(&error);
-    debug::Alias(&result);
-    CHECK(false);
-  }
-
-  CloseHandle(thread_handle.platform_handle());
-}
-
-// static
-void PlatformThread::SetCurrentThreadPriority(ThreadPriority priority) {
-  int desired_priority = THREAD_PRIORITY_ERROR_RETURN;
-  switch (priority) {
-    case ThreadPriority::BACKGROUND:
-      desired_priority = THREAD_PRIORITY_LOWEST;
-      break;
-    case ThreadPriority::NORMAL:
-      desired_priority = THREAD_PRIORITY_NORMAL;
-      break;
-    case ThreadPriority::DISPLAY:
-      desired_priority = THREAD_PRIORITY_ABOVE_NORMAL;
-      break;
-    case ThreadPriority::REALTIME_AUDIO:
-      desired_priority = THREAD_PRIORITY_TIME_CRITICAL;
-      break;
-    default:
-      NOTREACHED() << "Unknown priority.";
-      break;
-  }
-  DCHECK_NE(desired_priority, THREAD_PRIORITY_ERROR_RETURN);
-
-#ifndef NDEBUG
-  const BOOL success =
-#endif
-      ::SetThreadPriority(PlatformThread::CurrentHandle().platform_handle(),
-                          desired_priority);
-  DPLOG_IF(ERROR, !success) << "Failed to set thread priority to "
-                            << desired_priority;
-}
-
-// static
-ThreadPriority PlatformThread::GetCurrentThreadPriority() {
-  int priority =
-      ::GetThreadPriority(PlatformThread::CurrentHandle().platform_handle());
-  switch (priority) {
-    case THREAD_PRIORITY_LOWEST:
-      return ThreadPriority::BACKGROUND;
-    case THREAD_PRIORITY_NORMAL:
-      return ThreadPriority::NORMAL;
-    case THREAD_PRIORITY_ABOVE_NORMAL:
-      return ThreadPriority::DISPLAY;
-    case THREAD_PRIORITY_TIME_CRITICAL:
-      return ThreadPriority::REALTIME_AUDIO;
-    case THREAD_PRIORITY_ERROR_RETURN:
-      DPCHECK(false) << "GetThreadPriority error";  // Falls through.
-    default:
-      NOTREACHED() << "Unexpected priority: " << priority;
-      return ThreadPriority::NORMAL;
-  }
-}
-
-}  // namespace base