blob: e0c80a331b9c11978f05ee64beb347bbebc8b78f [file] [log] [blame]
// Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#include "vm/globals.h"
#include "vm/growable_array.h"
#include "vm/isolate.h"
#include "vm/lockers.h"
#include "vm/stack_frame.h"
#include "vm/thread.h"
namespace dart {
#ifndef PRODUCT
class JSONStream;
class JSONArray;
// Unordered collection of threads relating to a particular isolate.
class ThreadRegistry {
ThreadRegistry() : threads_lock_(), active_list_(NULL), free_list_(NULL) {}
void VisitObjectPointers(IsolateGroup* isolate_group_of_interest,
ObjectPointerVisitor* visitor,
ValidationPolicy validate_frames);
void ReleaseStoreBuffers();
void AcquireMarkingStacks();
void ReleaseMarkingStacks();
#ifndef PRODUCT
void PrintJSON(JSONStream* stream) const;
Thread* active_list() const { return active_list_; }
Monitor* threads_lock() const { return &threads_lock_; }
Thread* GetFreeThreadLocked(bool is_vm_isolate);
void ReturnThreadLocked(Thread* thread);
void AddToActiveListLocked(Thread* thread);
void RemoveFromActiveListLocked(Thread* thread);
Thread* GetFromFreelistLocked(bool is_vm_isolate);
void ReturnToFreelistLocked(Thread* thread);
// This monitor protects the threads list for an isolate, it is used whenever
// we need to iterate over threads (both active and free) in an isolate.
mutable Monitor threads_lock_;
Thread* active_list_; // List of active threads in the isolate.
Thread* free_list_; // Free list of Thread objects that can be reused.
friend class Isolate;
friend class IsolateGroup;
friend class SafepointHandler;
friend class Scavenger;
} // namespace dart