v8/src/libplatform/default-platform.h

77 lines
2.6 KiB
C
Raw Normal View History

// Copyright 2013 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
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef V8_LIBPLATFORM_DEFAULT_PLATFORM_H_
#define V8_LIBPLATFORM_DEFAULT_PLATFORM_H_
#include <vector>
#include "../../include/v8-platform.h"
#include "../base/macros.h"
#include "../platform/mutex.h"
#include "task-queue.h"
namespace v8 {
namespace internal {
class TaskQueue;
class Thread;
class WorkerThread;
class DefaultPlatform : public Platform {
public:
DefaultPlatform();
virtual ~DefaultPlatform();
void SetThreadPoolSize(int thread_pool_size);
void EnsureInitialized();
// v8::Platform implementation.
virtual void CallOnBackgroundThread(
Task *task, ExpectedRuntime expected_runtime) V8_OVERRIDE;
virtual void CallOnForegroundThread(v8::Isolate *isolate,
Task *task) V8_OVERRIDE;
private:
static const int kMaxThreadPoolSize;
Mutex lock_;
bool initialized_;
int thread_pool_size_;
std::vector<WorkerThread*> thread_pool_;
TaskQueue queue_;
DISALLOW_COPY_AND_ASSIGN(DefaultPlatform);
};
} } // namespace v8::internal
#endif // V8_LIBPLATFORM_DEFAULT_PLATFORM_H_