Sampling profiler

runtime/vm/os_win.cc

Index: runtime/vm/os_win.cc
diff --git a/runtime/vm/os_win.cc b/runtime/vm/os_win.cc
index 276595365b5e6a19067c5e25197c8107873f856a..fcb8447c6333d8c2932b6ec4b06d733faec4da0d 100644
--- a/runtime/vm/os_win.cc
+++ b/runtime/vm/os_win.cc
@@ -14,6 +14,7 @@
 
 #include "platform/utils.h"
 #include "platform/assert.h"
+#include "platform/thread.h"
 
 namespace dart {
 
@@ -305,6 +306,12 @@ void OS::InitOnce() {
   init_once_called = true;
   // Do not pop up a message box when abort is called.
   _set_abort_behavior(0, _WRITE_ABORT_MSG);
+  ThreadInlineImpl::thread_id_key = Thread::CreateThreadLocal();
+  MonitorWaitData::monitor_wait_data_key_ = Thread::CreateThreadLocal();
+  MonitorData::GetMonitorWaitDataForThread();
+  ThreadId thread_id = ThreadInlineImpl::CreateThreadId();
+  Thread::SetThreadLocal(ThreadInlineImpl::thread_id_key,
+                         reinterpret_cast<DWORD>(thread_id));
 }