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

src/v8threads.cc

 // Copyright 2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 362 matching lines @@
   }
 }
 
 
 // This is the ContextSwitcher singleton. There is at most a single thread
 // running which delivers preemption events to V8 threads.
 ContextSwitcher* ContextSwitcher::singleton_ = NULL;
 
 
 ContextSwitcher::ContextSwitcher(int every_n_ms)
-  : keep_going_(true),
+  :
+#ifdef DEBUG_THREAD_NAMES
+    Thread("v8:CtxtSwitcher"),
+#endif
+    keep_going_(true),
     sleep_ms_(every_n_ms) {
 }
 
 
 // Set the scheduling interval of V8 threads. This function starts the
 // ContextSwitcher thread if needed.
 void ContextSwitcher::StartPreemption(int every_n_ms) {
   ASSERT(Locker::IsLocked());
   if (singleton_ == NULL) {
     // If the ContextSwitcher thread is not running at the moment start it now.
@@ skipping 36 matching lines @@
 // Acknowledge the preemption by the receiving thread.
 void ContextSwitcher::PreemptionReceived() {
   ASSERT(Locker::IsLocked());
   // There is currently no accounting being done for this. But could be in the
   // future, which is why we leave this in.
 }
 
 
 }  // namespace internal
 }  // namespace v8