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 <memory>
 
#include "libplatform/libplatform-export.h"
#include "libplatform/v8-tracing.h"
#include "v8-platform.h"  // NOLINT(build/include_directory)
#include "v8config.h"     // NOLINT(build/include_directory)
 
namespace v8 {
namespace platform {
 
enum class IdleTaskSupport { kDisabled, kEnabled };
enum class InProcessStackDumping { kDisabled, kEnabled };
 
enum class MessageLoopBehavior : bool {
  kDoNotWait = false,
  kWaitForWork = true
};
 
enum class PriorityMode : bool { kDontApply, kApply };
 
V8_PLATFORM_EXPORT std::unique_ptr<v8::Platform> NewDefaultPlatform(
    int thread_pool_size = 0,
    IdleTaskSupport idle_task_support = IdleTaskSupport::kDisabled,
    InProcessStackDumping in_process_stack_dumping =
        InProcessStackDumping::kDisabled,
    std::unique_ptr<v8::TracingController> tracing_controller = {},
    PriorityMode priority_mode = PriorityMode::kDontApply);
 
V8_PLATFORM_EXPORT std::unique_ptr<v8::Platform>
NewSingleThreadedDefaultPlatform(
    IdleTaskSupport idle_task_support = IdleTaskSupport::kDisabled,
    InProcessStackDumping in_process_stack_dumping =
        InProcessStackDumping::kDisabled,
    std::unique_ptr<v8::TracingController> tracing_controller = {});
 
V8_PLATFORM_EXPORT std::unique_ptr<v8::JobHandle> NewDefaultJobHandle(
    v8::Platform* platform, v8::TaskPriority priority,
    std::unique_ptr<v8::JobTask> job_task, size_t num_worker_threads);
 
V8_PLATFORM_EXPORT bool PumpMessageLoop(
    v8::Platform* platform, v8::Isolate* isolate,
    MessageLoopBehavior behavior = MessageLoopBehavior::kDoNotWait);
 
V8_PLATFORM_EXPORT void RunIdleTasks(v8::Platform* platform,
                                     v8::Isolate* isolate,
                                     double idle_time_in_seconds);
 
V8_PLATFORM_EXPORT void NotifyIsolateShutdown(v8::Platform* platform,
                                              Isolate* isolate);
 
}  // namespace platform
}  // namespace v8
 
#endif  // V8_LIBPLATFORM_LIBPLATFORM_H_