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Name	Size	Permission
internal	[ DIR ]	drwxr-xr-x
allocation.h	11.61 KB	-rw-r--r--
common.h	643 B	-rw-r--r--
cross-thread-persistent.h	14.81 KB	-rw-r--r--
custom-space.h	2.4 KB	-rw-r--r--
default-platform.h	2.18 KB	-rw-r--r--
ephemeron-pair.h	804 B	-rw-r--r--
explicit-management.h	3.29 KB	-rw-r--r--
garbage-collected.h	3.11 KB	-rw-r--r--
heap-consistency.h	11.74 KB	-rw-r--r--
heap-handle.h	1.26 KB	-rw-r--r--
heap-state.h	2.57 KB	-rw-r--r--
heap-statistics.h	3.89 KB	-rw-r--r--
heap.h	5.7 KB	-rw-r--r--
liveness-broker.h	2.34 KB	-rw-r--r--
macros.h	1.31 KB	-rw-r--r--
member.h	22.75 KB	-rw-r--r--
name-provider.h	1.99 KB	-rw-r--r--
object-size-trait.h	1.6 KB	-rw-r--r--
persistent.h	13.5 KB	-rw-r--r--
platform.h	5.56 KB	-rw-r--r--
prefinalizer.h	2.88 KB	-rw-r--r--
process-heap-statistics.h	1009 B	-rw-r--r--
sentinel-pointer.h	935 B	-rw-r--r--
source-location.h	2.57 KB	-rw-r--r--
testing.h	2.96 KB	-rw-r--r--
trace-trait.h	3.14 KB	-rw-r--r--
type-traits.h	7.78 KB	-rw-r--r--
visitor.h	14.84 KB	-rw-r--r--

Code Editor : heap-state.h

// Copyright 2021 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 INCLUDE_CPPGC_HEAP_STATE_H_
#define INCLUDE_CPPGC_HEAP_STATE_H_

#include "v8config.h"  // NOLINT(build/include_directory)

namespace cppgc {

class HeapHandle;

namespace subtle {

/**
 * Helpers to peek into heap-internal state.
 */
class V8_EXPORT HeapState final {
 public:
  /**
   * Returns whether the garbage collector is marking. This API is experimental
   * and is expected to be removed in future.
   *
   * \param heap_handle The corresponding heap.
   * \returns true if the garbage collector is currently marking, and false
   *   otherwise.
   */
  static bool IsMarking(const HeapHandle& heap_handle);

/*
   * Returns whether the garbage collector is sweeping. This API is experimental
   * and is expected to be removed in future.
   *
   * \param heap_handle The corresponding heap.
   * \returns true if the garbage collector is currently sweeping, and false
   *   otherwise.
   */
  static bool IsSweeping(const HeapHandle& heap_handle);

/*
   * Returns whether the garbage collector is currently sweeping on the thread
   * owning this heap. This API allows the caller to determine whether it has
   * been called from a destructor of a managed object. This API is experimental
   * and may be removed in future.
   *
   * \param heap_handle The corresponding heap.
   * \returns true if the garbage collector is currently sweeping on this
   *   thread, and false otherwise.
   */
  static bool IsSweepingOnOwningThread(const HeapHandle& heap_handle);

/**
   * Returns whether the garbage collector is in the atomic pause, i.e., the
   * mutator is stopped from running. This API is experimental and is expected
   * to be removed in future.
   *
   * \param heap_handle The corresponding heap.
   * \returns true if the garbage collector is currently in the atomic pause,
   *   and false otherwise.
   */
  static bool IsInAtomicPause(const HeapHandle& heap_handle);

/**
   * Returns whether the last garbage collection was finalized conservatively
   * (i.e., with a non-empty stack). This API is experimental and is expected to
   * be removed in future.
   *
   * \param heap_handle The corresponding heap.
   * \returns true if the last garbage collection was finalized conservatively,
   * and false otherwise.
   */
  static bool PreviousGCWasConservative(const HeapHandle& heap_handle);

private:
  HeapState() = delete;
};

}  // namespace subtle
}  // namespace cppgc

#endif  // INCLUDE_CPPGC_HEAP_STATE_H_

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Code Editor : heap-state.h