Rollback of r11015, r11014, r11011, r11010 in trunk branch.

src/heap.cc

 // Copyright 2012 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 42 matching lines @@
 #include "arm/regexp-macro-assembler-arm.h"
 #endif
 #if V8_TARGET_ARCH_MIPS && !V8_INTERPRETED_REGEXP
 #include "regexp-macro-assembler.h"
 #include "mips/regexp-macro-assembler-mips.h"
 #endif
 
 namespace v8 {
 namespace internal {
 
-static LazyMutex gc_initializer_mutex = LAZY_MUTEX_INITIALIZER;
+
+static Mutex* gc_initializer_mutex = OS::CreateMutex();
 
 
 Heap::Heap()
     : isolate_(NULL),
 // semispace_size_ should be a power of 2 and old_generation_size_ should be
 // a multiple of Page::kPageSize.
 #if defined(ANDROID)
 #define LUMP_OF_MEMORY (128 * KB)
       code_range_size_(0),
 #elif defined(V8_TARGET_ARCH_X64)
@@ skipping 5784 matching lines @@
   // call Heap::TearDown() to release allocated memory.
   //
   // If the heap is not yet configured (e.g. through the API), configure it.
   // Configuration is based on the flags new-space-size (really the semispace
   // size) and old-space-size if set or the initial values of semispace_size_
   // and old_generation_size_ otherwise.
   if (!configured_) {
     if (!ConfigureHeapDefault()) return false;
   }
 
-  gc_initializer_mutex.Pointer()->Lock();
+  gc_initializer_mutex->Lock();
   static bool initialized_gc = false;
   if (!initialized_gc) {
       initialized_gc = true;
       InitializeScavengingVisitorsTables();
       NewSpaceScavenger::Initialize();
       MarkCompactCollector::Initialize();
   }
-  gc_initializer_mutex.Pointer()->Unlock();
+  gc_initializer_mutex->Unlock();
 
   MarkMapPointersAsEncoded(false);
 
   // Set up memory allocator.
   if (!isolate_->memory_allocator()->SetUp(MaxReserved(), MaxExecutableSize()))
       return false;
 
   // Set up new space.
   if (!new_space_.SetUp(reserved_semispace_size_, max_semispace_size_)) {
     return false;
@@ skipping 1090 matching lines @@
   } else {
     p ^= 0x1d1ed & (Page::kPageSize - 1);  // I died.
   }
   remembered_unmapped_pages_[remembered_unmapped_pages_index_] =
       reinterpret_cast<Address>(p);
   remembered_unmapped_pages_index_++;
   remembered_unmapped_pages_index_ %= kRememberedUnmappedPages;
 }
 
 } }  // namespace v8::internal