Experimental: periodic merge of the bleeding_edge branch to the...

src/top.cc

 // Copyright 2006-2008 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 19 matching lines @@
 #include "api.h"
 #include "bootstrapper.h"
 #include "debug.h"
 #include "execution.h"
 #include "string-stream.h"
 #include "platform.h"
 
 namespace v8 { namespace internal {
 
 ThreadLocalTop Top::thread_local_;
-Mutex* Top::break_access_;
+Mutex* Top::break_access_ = OS::CreateMutex();
 StackFrame::Id Top::break_frame_id_;
 int Top::break_count_;
 int Top::break_id_;
 
 NoAllocationStringAllocator* preallocated_message_space = NULL;
 
 Address top_addresses[] = {
 #define C(name) reinterpret_cast<Address>(Top::name()),
     TOP_ADDRESS_LIST(C)
 #undef C
@@ skipping 167 matching lines @@
 char* PreallocatedMemoryThread::data_ = NULL;
 unsigned PreallocatedMemoryThread::length_ = 0;
 
 static bool initialized = false;
 
 void Top::Initialize() {
   CHECK(!initialized);
 
   InitializeThreadLocal();
 
-  break_access_ = OS::CreateMutex();
   break_frame_id_ = StackFrame::NO_ID;
   break_count_ = 0;
   break_id_ = 0;
 
   // Only preallocate on the first initialization.
   if (FLAG_preallocate_message_memory && (preallocated_message_space == NULL)) {
     // Start the thread which will set aside some memory.
     PreallocatedMemoryThread::StartThread();
     preallocated_message_space =
         new NoAllocationStringAllocator(PreallocatedMemoryThread::data(),
@@ skipping 398 matching lines @@
 }
 
 
 Failure* Top::Throw(Object* exception, MessageLocation* location) {
   DoThrow(exception, location, NULL);
   return Failure::Exception();
 }
 
 
 Failure* Top::ReThrow(Object* exception, MessageLocation* location) {
-  // Set the exception beeing re-thrown.
+  // Set the exception being re-thrown.
   set_pending_exception(exception);
   return Failure::Exception();
 }
 
 
 void Top::ScheduleThrow(Object* exception) {
   // When scheduling a throw we first throw the exception to get the
   // error reporting if it is uncaught before rescheduling it.
   Throw(exception);
   thread_local_.scheduled_exception_ = pending_exception();
@@ skipping 40 matching lines @@
     Handle<Object> pos_obj(Smi::FromInt(pos));
     // Fetch function and receiver.
     Handle<JSFunction> fun(JSFunction::cast(frame->function()));
     Handle<Object> recv(frame->receiver());
     // Advance to the next JavaScript frame and determine if the
     // current frame is the top-level frame.
     it.Advance();
     Handle<Object> is_top_level = it.done()
         ? Factory::true_value()
         : Factory::false_value();
-    // Generate and print strack trace line.
+    // Generate and print stack trace line.
     Handle<String> line =
         Execution::GetStackTraceLine(recv, fun, pos_obj, is_top_level);
     if (line->length() > 0) {
       line->PrintOn(out);
       fprintf(out, "\n");
     }
   }
 }
 
 
@@ skipping 238 matching lines @@
   Top::break_access_->Lock();
 }
 
 
 ExecutionAccess::~ExecutionAccess() {
   Top::break_access_->Unlock();
 }
 
 
 } }  // namespace v8::internal