src/hotspot/share/gc/shenandoah/shenandoahTaskqueue.cpp

/*
 * Copyright (c) 2016, 2021, Red Hat, Inc. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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#include "gc/shenandoah/shenandoahHeap.inline.hpp"
#include "gc/shenandoah/shenandoahTaskqueue.inline.hpp"
#include "logging/log.hpp"
#include "logging/logStream.hpp"
#include "memory/resourceArea.hpp"

void ShenandoahObjToScanQueueSet::clear() {
  uint size = GenericTaskQueueSet<ShenandoahObjToScanQueue, mtGC>::size();
  for (uint index = 0; index < size; index ++) {
    ShenandoahObjToScanQueue* q = queue(index);
    assert(q != nullptr, "Sanity");
    q->clear();
  }
}

bool ShenandoahObjToScanQueueSet::is_empty() {
  uint size = GenericTaskQueueSet<ShenandoahObjToScanQueue, mtGC>::size();
  for (uint index = 0; index < size; index ++) {
    ShenandoahObjToScanQueue* q = queue(index);
    assert(q != nullptr, "Sanity");
    if (!q->is_empty()) {
      return false;
    }
  }
  return true;
}

bool ShenandoahTerminatorTerminator::should_exit_termination() {
  return _heap->cancelled_gc();
}