src/share/vm/gc_implementation/g1/satbQueue.cpp

Print this page


   1 /*
   2  * Copyright (c) 2001, 2007, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 # include "incls/_precompiled.incl"
  26 # include "incls/_satbQueue.cpp.incl"




  27 
  28 void ObjPtrQueue::apply_closure(ObjectClosure* cl) {
  29   if (_buf != NULL) {
  30     apply_closure_to_buffer(cl, _buf, _index, _sz);
  31     _index = _sz;
  32   }
  33 }
  34 
  35 void ObjPtrQueue::apply_closure_to_buffer(ObjectClosure* cl,
  36                                           void** buf, size_t index, size_t sz) {
  37   if (cl == NULL) return;
  38   for (size_t i = index; i < sz; i += oopSize) {
  39     oop obj = (oop)buf[byte_index_to_index((int)i)];
  40     // There can be NULL entries because of destructors.
  41     if (obj != NULL) {
  42       cl->do_object(obj);
  43     }
  44   }
  45 }
  46 


   1 /*
   2  * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "gc_implementation/g1/satbQueue.hpp"
  27 #include "memory/allocation.inline.hpp"
  28 #include "memory/sharedHeap.hpp"
  29 #include "runtime/mutexLocker.hpp"
  30 #include "runtime/thread.hpp"
  31 
  32 void ObjPtrQueue::apply_closure(ObjectClosure* cl) {
  33   if (_buf != NULL) {
  34     apply_closure_to_buffer(cl, _buf, _index, _sz);
  35     _index = _sz;
  36   }
  37 }
  38 
  39 void ObjPtrQueue::apply_closure_to_buffer(ObjectClosure* cl,
  40                                           void** buf, size_t index, size_t sz) {
  41   if (cl == NULL) return;
  42   for (size_t i = index; i < sz; i += oopSize) {
  43     oop obj = (oop)buf[byte_index_to_index((int)i)];
  44     // There can be NULL entries because of destructors.
  45     if (obj != NULL) {
  46       cl->do_object(obj);
  47     }
  48   }
  49 }
  50