Deleted OS_WIN and all Windows specific files from base.

base/synchronization/waitable_event_win.cc

-// Copyright (c) 2011 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/synchronization/waitable_event.h"
-
-#include <windows.h>
-
-#include "base/logging.h"
-#include "base/numerics/safe_conversions.h"
-#include "base/threading/thread_restrictions.h"
-#include "base/time/time.h"
-
-namespace base {
-
-WaitableEvent::WaitableEvent(bool manual_reset, bool signaled)
-    : handle_(CreateEvent(NULL, manual_reset, signaled, NULL)) {
-  // We're probably going to crash anyways if this is ever NULL, so we might as
-  // well make our stack reports more informative by crashing here.
-  CHECK(handle_.IsValid());
-}
-
-WaitableEvent::WaitableEvent(win::ScopedHandle handle)
-    : handle_(handle.Pass()) {
-  CHECK(handle_.IsValid()) << "Tried to create WaitableEvent from NULL handle";
-}
-
-WaitableEvent::~WaitableEvent() {
-}
-
-void WaitableEvent::Reset() {
-  ResetEvent(handle_.Get());
-}
-
-void WaitableEvent::Signal() {
-  SetEvent(handle_.Get());
-}
-
-bool WaitableEvent::IsSignaled() {
-  return TimedWait(TimeDelta());
-}
-
-void WaitableEvent::Wait() {
-  base::ThreadRestrictions::AssertWaitAllowed();
-  DWORD result = WaitForSingleObject(handle_.Get(), INFINITE);
-  // It is most unexpected that this should ever fail.  Help consumers learn
-  // about it if it should ever fail.
-  DCHECK_EQ(WAIT_OBJECT_0, result) << "WaitForSingleObject failed";
-}
-
-bool WaitableEvent::TimedWait(const TimeDelta& max_time) {
-  base::ThreadRestrictions::AssertWaitAllowed();
-  DCHECK_GE(max_time, TimeDelta());
-  // Truncate the timeout to milliseconds. The API specifies that this method
-  // can return in less than |max_time| (when returning false), as the argument
-  // is the maximum time that a caller is willing to wait.
-  DWORD timeout = saturated_cast<DWORD>(max_time.InMilliseconds());
-
-  DWORD result = WaitForSingleObject(handle_.Get(), timeout);
-  switch (result) {
-    case WAIT_OBJECT_0:
-      return true;
-    case WAIT_TIMEOUT:
-      return false;
-  }
-  // It is most unexpected that this should ever fail.  Help consumers learn
-  // about it if it should ever fail.
-  NOTREACHED() << "WaitForSingleObject failed";
-  return false;
-}
-
-// static
-size_t WaitableEvent::WaitMany(WaitableEvent** events, size_t count) {
-  base::ThreadRestrictions::AssertWaitAllowed();
-  HANDLE handles[MAXIMUM_WAIT_OBJECTS];
-  CHECK_LE(count, MAXIMUM_WAIT_OBJECTS)
-      << "Can only wait on " << MAXIMUM_WAIT_OBJECTS << " with WaitMany";
-
-  for (size_t i = 0; i < count; ++i)
-    handles[i] = events[i]->handle();
-
-  // The cast is safe because count is small - see the CHECK above.
-  DWORD result =
-      WaitForMultipleObjects(static_cast<DWORD>(count),
-                             handles,
-                             FALSE,      // don't wait for all the objects
-                             INFINITE);  // no timeout
-  if (result >= WAIT_OBJECT_0 + count) {
-    DPLOG(FATAL) << "WaitForMultipleObjects failed";
-    return 0;
-  }
-
-  return result - WAIT_OBJECT_0;
-}
-
-}  // namespace base