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c459d8ea5d
PR-URL: https://github.com/nodejs/node/pull/11752 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Franziska Hinkelmann <franziska.hinkelmann@gmail.com>
61 lines
2.1 KiB
C++
61 lines
2.1 KiB
C++
// Copyright 2014 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef V8_LIBPLATFORM_LIBPLATFORM_H_
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#define V8_LIBPLATFORM_LIBPLATFORM_H_
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#include "libplatform/libplatform-export.h"
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#include "libplatform/v8-tracing.h"
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#include "v8-platform.h" // NOLINT(build/include)
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namespace v8 {
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namespace platform {
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/**
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* Returns a new instance of the default v8::Platform implementation.
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*
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* The caller will take ownership of the returned pointer. |thread_pool_size|
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* is the number of worker threads to allocate for background jobs. If a value
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* of zero is passed, a suitable default based on the current number of
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* processors online will be chosen.
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*/
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V8_PLATFORM_EXPORT v8::Platform* CreateDefaultPlatform(
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int thread_pool_size = 0);
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/**
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* Pumps the message loop for the given isolate.
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*
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* The caller has to make sure that this is called from the right thread.
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* Returns true if a task was executed, and false otherwise. This call does
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* not block if no task is pending. The |platform| has to be created using
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* |CreateDefaultPlatform|.
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*/
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V8_PLATFORM_EXPORT bool PumpMessageLoop(v8::Platform* platform,
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v8::Isolate* isolate);
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/**
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* Runs pending idle tasks for at most |idle_time_in_seconds| seconds.
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*
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* The caller has to make sure that this is called from the right thread.
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* This call does not block if no task is pending. The |platform| has to be
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* created using |CreateDefaultPlatform|.
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*/
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V8_PLATFORM_EXPORT void RunIdleTasks(v8::Platform* platform,
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v8::Isolate* isolate,
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double idle_time_in_seconds);
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/**
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* Attempts to set the tracing controller for the given platform.
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*
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* The |platform| has to be created using |CreateDefaultPlatform|.
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*/
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V8_PLATFORM_EXPORT void SetTracingController(
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v8::Platform* platform,
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v8::platform::tracing::TracingController* tracing_controller);
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} // namespace platform
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} // namespace v8
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#endif // V8_LIBPLATFORM_LIBPLATFORM_H_
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