v8/include/libplatform/libplatform.h

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// Copyright 2014 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_LIBPLATFORM_LIBPLATFORM_H_
#define V8_LIBPLATFORM_LIBPLATFORM_H_
#include "libplatform/v8-tracing.h"
#include "v8-platform.h" // NOLINT(build/include)
namespace v8 {
namespace platform {
/**
* Returns a new instance of the default v8::Platform implementation.
*
* The caller will take ownership of the returned pointer. |thread_pool_size|
* is the number of worker threads to allocate for background jobs. If a value
* of zero is passed, a suitable default based on the current number of
* processors online will be chosen.
*/
v8::Platform* CreateDefaultPlatform(int thread_pool_size = 0);
/**
* Pumps the message loop for the given isolate.
*
* The caller has to make sure that this is called from the right thread.
* Returns true if a task was executed, and false otherwise. This call does
* not block if no task is pending. The |platform| has to be created using
* |CreateDefaultPlatform|.
*/
bool PumpMessageLoop(v8::Platform* platform, v8::Isolate* isolate);
/**
* Attempts to set the tracing controller for the given platform.
*
* The |platform| has to be created using |CreateDefaultPlatform|.
*/
void SetTracingController(
v8::Platform* platform,
v8::platform::tracing::TracingController* tracing_controller);
} // namespace platform
} // namespace v8
#endif // V8_LIBPLATFORM_LIBPLATFORM_H_