rev 56160 : 8230483: Shenandoah: Shenandoah assert_correct failed; Object klass pointer should not be NULL

   1 /*
   2  * Copyright (c) 2019, Red Hat, Inc. All rights reserved.
   3  *
   4  * This code is free software; you can redistribute it and/or modify it
   5  * under the terms of the GNU General Public License version 2 only, as
   6  * published by the Free Software Foundation.
   7  *
   8  * This code is distributed in the hope that it will be useful, but WITHOUT
   9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  11  * version 2 for more details (a copy is included in the LICENSE file that
  12  * accompanied this code).
  13  *
  14  * You should have received a copy of the GNU General Public License version
  15  * 2 along with this work; if not, write to the Free Software Foundation,
  16  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  17  *
  18  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  19  * or visit www.oracle.com if you need additional information or have any
  20  * questions.
  21  *
  22  */
  23 
  24 #include "precompiled.hpp"
  25 
  26 #include "gc/shenandoah/shenandoahConcurrentRoots.hpp"
  27 #include "gc/shenandoah/shenandoahHeap.inline.hpp"
  28 
  29 bool ShenandoahConcurrentRoots::can_do_concurrent_roots() {
  30   // Don't support traversal GC at this moment
  31   return !ShenandoahHeap::heap()->is_concurrent_traversal_in_progress();
  32 }
  33 
  34 bool ShenandoahConcurrentRoots::should_do_concurrent_roots() {
  35   ShenandoahHeap* const heap = ShenandoahHeap::heap();
  36   bool stw_gc_in_progress = heap->is_full_gc_in_progress() ||
  37                             heap->is_degenerated_gc_in_progress();
  38   return can_do_concurrent_roots() &&
  39          !stw_gc_in_progress;
  40 }
--- EOF ---