[platform] Implement a worker pool

src/v8.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 14 matching lines @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include "v8.h"
 
 #include "assembler.h"
 #include "isolate.h"
 #include "elements.h"
 #include "bootstrapper.h"
 #include "debug.h"
-#ifdef V8_USE_DEFAULT_PLATFORM
-#include "default-platform.h"
-#endif
 #include "deoptimizer.h"
 #include "frames.h"
 #include "heap-profiler.h"
 #include "hydrogen.h"
+#ifdef V8_USE_DEFAULT_PLATFORM
+#include "libplatform/default-platform.h"
+#endif
 #include "lithium-allocator.h"
 #include "objects.h"
 #include "once.h"
 #include "platform.h"
 #include "sampler.h"
 #include "runtime-profiler.h"
 #include "serialize.h"
 #include "store-buffer.h"
 
 namespace v8 {
@@ skipping 20 matching lines @@
   ASSERT(i::Isolate::CurrentPerIsolateThreadData() != NULL);
   ASSERT(i::Isolate::CurrentPerIsolateThreadData()->thread_id().Equals(
            i::ThreadId::Current()));
   ASSERT(i::Isolate::CurrentPerIsolateThreadData()->isolate() ==
          i::Isolate::Current());
 
   Isolate* isolate = Isolate::Current();
   if (isolate->IsDead()) return false;
   if (isolate->IsInitialized()) return true;
 
+#ifdef V8_USE_DEFAULT_PLATFORM
+  DefaultPlatform* platform = static_cast<DefaultPlatform*>(platform_);
+  platform->SetThreadPoolSize(isolate->max_available_threads());
+#endif
+
   return isolate->Init(des);
 }
 
 
 void V8::TearDown() {
   Isolate* isolate = Isolate::Current();
   ASSERT(isolate->IsDefaultIsolate());
   if (!isolate->IsInitialized()) return;
 
   // The isolate has to be torn down before clearing the LOperand
@@ skipping 107 matching lines @@
   platform_ = NULL;
 }
 
 
 v8::Platform* V8::GetCurrentPlatform() {
   ASSERT(platform_);
   return platform_;
 }
 
 } }  // namespace v8::internal