54723da771
This function has been deprecated for month by now. R=ulan@chromium.org Bug: v8:7754 Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng Change-Id: I19d1b41bad2849b7f3d4d6684dc6f0f80af081f0 Reviewed-on: https://chromium-review.googlesource.com/1144922 Reviewed-by: Ulan Degenbaev <ulan@chromium.org> Commit-Queue: Andreas Haas <ahaas@chromium.org> Cr-Commit-Position: refs/heads/master@{#54575}
92 lines
3.4 KiB
C++
92 lines
3.4 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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#include "v8config.h" // NOLINT(build/include)
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namespace v8 {
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namespace platform {
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enum class IdleTaskSupport { kDisabled, kEnabled };
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enum class InProcessStackDumping { kDisabled, kEnabled };
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enum class MessageLoopBehavior : bool {
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kDoNotWait = false,
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kWaitForWork = true
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};
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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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* If |idle_task_support| is enabled then the platform will accept idle
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* tasks (IdleTasksEnabled will return true) and will rely on the embedder
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* calling v8::platform::RunIdleTasks to process the idle tasks.
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* If |tracing_controller| is nullptr, the default platform will create a
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* v8::platform::TracingController instance and use it.
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*/
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V8_PLATFORM_EXPORT std::unique_ptr<v8::Platform> NewDefaultPlatform(
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int thread_pool_size = 0,
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IdleTaskSupport idle_task_support = IdleTaskSupport::kDisabled,
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InProcessStackDumping in_process_stack_dumping =
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InProcessStackDumping::kDisabled,
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std::unique_ptr<v8::TracingController> tracing_controller = {});
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V8_PLATFORM_EXPORT V8_DEPRECATE_SOON(
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"Use NewDefaultPlatform instead",
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v8::Platform* CreateDefaultPlatform(
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int thread_pool_size = 0,
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IdleTaskSupport idle_task_support = IdleTaskSupport::kDisabled,
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InProcessStackDumping in_process_stack_dumping =
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InProcessStackDumping::kDisabled,
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v8::TracingController* tracing_controller = nullptr));
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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. Unless requested
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* through the |behavior| parameter, this call does not block if no task is
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* pending. The |platform| has to be created using |NewDefaultPlatform|.
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*/
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V8_PLATFORM_EXPORT bool PumpMessageLoop(
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v8::Platform* platform, v8::Isolate* isolate,
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MessageLoopBehavior behavior = MessageLoopBehavior::kDoNotWait);
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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 |NewDefaultPlatform|.
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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 |NewDefaultPlatform|.
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*
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*/
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V8_PLATFORM_EXPORT V8_DEPRECATE_SOON(
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"Access the DefaultPlatform directly",
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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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