1 /*
   2  * Copyright (c) 2017, 2018, 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 #ifndef SHARE_VM_GC_SHENANDOAH_SHENANDOAHSTRINGDEDUPQUEUE_INLINE_HPP
  25 #define SHARE_VM_GC_SHENANDOAH_SHENANDOAHSTRINGDEDUPQUEUE_INLINE_HPP
  26 
  27 #include "gc_implementation/shenandoah/shenandoahHeap.hpp"
  28 #include "gc_implementation/shenandoah/shenandoahStrDedupQueue.hpp"
  29 
  30 void ShenandoahStrDedupQueue::push(oop java_string) {
  31   if (_current_list == NULL) {
  32     _current_list = _queue_set->allocate_chunked_list();
  33   } else if (_current_list->is_full()) {
  34     _current_list = _queue_set->push_and_get_atomic(_current_list, queue_num());
  35   }
  36 
  37   assert(_current_list != NULL && !_current_list->is_full(), "Sanity");
  38   _current_list->push(java_string);
  39 }
  40 
  41 template <class T>
  42 void ShenandoahStrDedupQueueCleanupClosure::do_oop_work(T* p) {
  43   T o = oopDesc::load_heap_oop(p);
  44   if (! oopDesc::is_null(o)) {
  45     oop obj = oopDesc::decode_heap_oop_not_null(o);
  46     assert(_heap->is_in(obj), "Must be in the heap");
  47     if (!_mark_context->is_marked(obj)) {
  48       oopDesc::encode_store_heap_oop(p, oop());
  49     }
  50   }
  51 }
  52 
  53 #endif // SHARE_VM_GC_SHENANDOAH_SHENANDOAHSTRINGDEDUPQUEUE_INLINE_HPP