Upgrade macos

macx64/include/node/libplatform/libplatform.h

@@ -5,10 +5,12 @@
 #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)
-#include "v8config.h"     // NOLINT(build/include)
+#include "v8-platform.h"  // NOLINT(build/include_directory)
+#include "v8config.h"     // NOLINT(build/include_directory)
 
 namespace v8 {
 namespace platform {
@@ -21,6 +23,8 @@ enum class MessageLoopBehavior : bool {
   kWaitForWork = true
 };
 
+enum class PriorityMode : bool { kDontApply, kApply };
+
 /**
  * Returns a new instance of the default v8::Platform implementation.
  *
@@ -33,40 +37,53 @@ enum class MessageLoopBehavior : bool {
  * calling v8::platform::RunIdleTasks to process the idle tasks.
  * If |tracing_controller| is nullptr, the default platform will create a
  * v8::platform::TracingController instance and use it.
+ * If |priority_mode| is PriorityMode::kApply, the default platform will use
+ * multiple task queues executed by threads different system-level priorities
+ * (where available) to schedule tasks.
  */
 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);
+
+/**
+ * The same as NewDefaultPlatform but disables the worker thread pool.
+ * It must be used with the --single-threaded V8 flag.
+ */
+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 V8_DEPRECATED(
-    "Use NewDefaultPlatform instead",
-    v8::Platform* CreateDefaultPlatform(
-        int thread_pool_size = 0,
-        IdleTaskSupport idle_task_support = IdleTaskSupport::kDisabled,
-        InProcessStackDumping in_process_stack_dumping =
-            InProcessStackDumping::kDisabled,
-        v8::TracingController* tracing_controller = nullptr));
+/**
+ * Returns a new instance of the default v8::JobHandle implementation.
+ *
+ * The job will be executed by spawning up to |num_worker_threads| many worker
+ * threads on the provided |platform| with the given |priority|.
+ */
+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);
 
 /**
  * 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. Unless requested
- * through the |behavior| parameter, this call does not block if no task is
- * pending. The |platform| has to be created using |NewDefaultPlatform|.
+ * Returns true if a task was executed, and false otherwise. If the call to
+ * PumpMessageLoop is nested within another call to PumpMessageLoop, only
+ * nestable tasks may run. Otherwise, any task may run. Unless requested through
+ * the |behavior| parameter, this call does not block if no task is pending. The
+ * |platform| has to be created using |NewDefaultPlatform|.
  */
 V8_PLATFORM_EXPORT bool PumpMessageLoop(
     v8::Platform* platform, v8::Isolate* isolate,
     MessageLoopBehavior behavior = MessageLoopBehavior::kDoNotWait);
 
-V8_PLATFORM_EXPORT V8_DEPRECATE_SOON(
-    "This function has become obsolete and is essentially a nop",
-    void EnsureEventLoopInitialized(v8::Platform* platform,
-                                    v8::Isolate* isolate));
-
 /**
  * Runs pending idle tasks for at most |idle_time_in_seconds| seconds.
  *
@@ -79,16 +96,15 @@ V8_PLATFORM_EXPORT void RunIdleTasks(v8::Platform* platform,
                                      double idle_time_in_seconds);
 
 /**
- * Attempts to set the tracing controller for the given platform.
+ * Notifies the given platform about the Isolate getting deleted soon. Has to be
+ * called for all Isolates which are deleted - unless we're shutting down the
+ * platform.
  *
  * The |platform| has to be created using |NewDefaultPlatform|.
  *
  */
-V8_PLATFORM_EXPORT V8_DEPRECATE_SOON(
-    "Access the DefaultPlatform directly",
-    void SetTracingController(
-        v8::Platform* platform,
-        v8::platform::tracing::TracingController* tracing_controller));
+V8_PLATFORM_EXPORT void NotifyIsolateShutdown(v8::Platform* platform,
+                                              Isolate* isolate);
 
 }  // namespace platform
 }  // namespace v8