src/share/vm/gc_interface/collectedHeap.cpp

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   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/_collectedHeap.cpp.incl"















  27 
  28 
  29 #ifdef ASSERT
  30 int CollectedHeap::_fire_out_of_memory_count = 0;
  31 #endif
  32 
  33 size_t CollectedHeap::_filler_array_max_size = 0;
  34 
  35 // Memory state functions.
  36 
  37 
  38 CollectedHeap::CollectedHeap() : _n_par_threads(0)
  39 
  40 {
  41   const size_t max_len = size_t(arrayOopDesc::max_array_length(T_INT));
  42   const size_t elements_per_word = HeapWordSize / sizeof(jint);
  43   _filler_array_max_size = align_object_size(filler_array_hdr_size() +
  44                                              max_len * elements_per_word);
  45 
  46   _barrier_set = NULL;




   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 "classfile/systemDictionary.hpp"
  27 #include "gc_implementation/shared/vmGCOperations.hpp"
  28 #include "gc_interface/collectedHeap.hpp"
  29 #include "gc_interface/collectedHeap.inline.hpp"
  30 #include "oops/oop.inline.hpp"
  31 #include "runtime/init.hpp"
  32 #include "services/heapDumper.hpp"
  33 #ifdef TARGET_OS_FAMILY_linux
  34 # include "thread_linux.inline.hpp"
  35 #endif
  36 #ifdef TARGET_OS_FAMILY_solaris
  37 # include "thread_solaris.inline.hpp"
  38 #endif
  39 #ifdef TARGET_OS_FAMILY_windows
  40 # include "thread_windows.inline.hpp"
  41 #endif
  42 
  43 
  44 #ifdef ASSERT
  45 int CollectedHeap::_fire_out_of_memory_count = 0;
  46 #endif
  47 
  48 size_t CollectedHeap::_filler_array_max_size = 0;
  49 
  50 // Memory state functions.
  51 
  52 
  53 CollectedHeap::CollectedHeap() : _n_par_threads(0)
  54 
  55 {
  56   const size_t max_len = size_t(arrayOopDesc::max_array_length(T_INT));
  57   const size_t elements_per_word = HeapWordSize / sizeof(jint);
  58   _filler_array_max_size = align_object_size(filler_array_hdr_size() +
  59                                              max_len * elements_per_word);
  60 
  61   _barrier_set = NULL;