Adds an API for setting the stack limit per-thread.

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 121 matching lines @@
   ExecutionAccess access;
 
   // If there is another thread that was lazily archived then we have to really
   // archive it now.
   if (lazily_archived_thread_.IsValid()) {
     EagerlyArchiveThread();
   }
   ThreadState* state =
       reinterpret_cast<ThreadState*>(Thread::GetThreadLocal(thread_state_key));
   if (state == NULL) {
+    // This is a new thread.
+    StackGuard::InitThread(access);
     return false;
   }
   char* from = state->data();
   from = HandleScopeImplementer::RestoreThread(from);
   from = Top::RestoreThread(from);
 #ifdef ENABLE_DEBUGGER_SUPPORT
   from = Debug::RestoreDebug(from);
 #endif
   from = StackGuard::RestoreStackGuard(from);
   from = RegExpStack::RestoreStack(from);
@@ skipping 259 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