Added labelled thread names to help with some debugging activity. Right now,...

src/platform-win32.cc

Index: src/platform-win32.cc
===================================================================
--- src/platform-win32.cc	(revision 6139)
+++ src/platform-win32.cc	(working copy)
@@ -1463,9 +1463,22 @@
 
 Thread::Thread() : ThreadHandle(ThreadHandle::INVALID) {
   data_ = new PlatformData(kNoThread);
+  set_name("v8:<unknown>");
 }
 
 
+Thread::Thread(const char* name) : ThreadHandle(ThreadHandle::INVALID) {
+  data_ = new PlatformData(kNoThread);
+  set_name(name);
+}
+
+
+void Thread::set_name(const char* name) {
+  strncpy(name_, name, sizeof(name_));
+  name_[sizeof(name_) - 1] = '\0';
+}
+
+
 // Close our own handle for the thread.
 Thread::~Thread() {
   if (data_->thread_ != kNoThread) CloseHandle(data_->thread_);