base: Support setting thread priorities generically.

base/threading/platform_thread_win.cc

 // 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 "base/debug/alias.h"
 #include "base/debug/profiler.h"
 #include "base/logging.h"
 #include "base/threading/thread_id_name_manager.h"
@@ skipping 85 matching lines @@
 }
 
 }  // namespace
 
 // static
 PlatformThreadId PlatformThread::CurrentId() {
   return GetCurrentThreadId();
 }
 
 // static
+PlatformThreadHandle PlatformThread::CurrentHandle() {
+  NOTIMPLEMENTED(); // See OpenThread()
+  return kNullThreadHandle;
+}
+
+// static
 void PlatformThread::YieldCurrentThread() {
   ::Sleep(0);
 }
 
 // static
 void PlatformThread::Sleep(TimeDelta duration) {
   ::Sleep(duration.InMillisecondsRoundedUp());
 }
 
 // static
@@ skipping 76 matching lines @@
 // static
 void PlatformThread::SetThreadPriority(PlatformThreadHandle handle,
                                        ThreadPriority priority) {
   switch (priority) {
     case kThreadPriority_Normal:
       ::SetThreadPriority(handle, THREAD_PRIORITY_NORMAL);
       break;
     case kThreadPriority_RealtimeAudio:
       ::SetThreadPriority(handle, THREAD_PRIORITY_TIME_CRITICAL);
       break;
+    default:
+      NOTREACHED() << "Unknown priority.";
+      break;
   }
 }
 
 }  // namespace base