src/share/vm/gc_implementation/concurrentMarkSweep/cmsPermGen.cpp

Wed, 23 Sep 2009 23:57:44 -0700

author
jrose
date
Wed, 23 Sep 2009 23:57:44 -0700
changeset 1429
753cf9794df9
parent 574
c0492d52d55b
child 1907
c18cbe5936b8
permissions
-rw-r--r--

6885169: merge of 4957990 and 6863023 causes conflict on do_nmethods
Summary: After mechanically merging changes, some by-hand adjustments are needed.
Reviewed-by: ysr

     1 /*
     2  * Copyright (c) 2007 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    20  * CA 95054 USA or visit www.sun.com if you need additional information or
    21  * have any questions.
    22  *
    23  */
    25 #include "incls/_precompiled.incl"
    26 #include "incls/_cmsPermGen.cpp.incl"
    28 CMSPermGen::CMSPermGen(ReservedSpace rs, size_t initial_byte_size,
    29              CardTableRS* ct,
    30              FreeBlockDictionary::DictionaryChoice dictionaryChoice) {
    31   CMSPermGenGen* g =
    32     new CMSPermGenGen(rs, initial_byte_size, -1, ct);
    33   if (g == NULL) {
    34     vm_exit_during_initialization("Could not allocate a CompactingPermGen");
    35   }
    37   g->initialize_performance_counters();
    39   _gen = g;
    40 }
    42 HeapWord* CMSPermGen::mem_allocate(size_t size) {
    43   Mutex* lock = _gen->freelistLock();
    44   bool lock_owned = lock->owned_by_self();
    45   if (lock_owned) {
    46     MutexUnlocker mul(lock);
    47     return mem_allocate_in_gen(size, _gen);
    48   } else {
    49     return mem_allocate_in_gen(size, _gen);
    50   }
    51 }
    53 void CMSPermGen::compute_new_size() {
    54   _gen->compute_new_size();
    55 }
    57 void CMSPermGenGen::initialize_performance_counters() {
    59   const char* gen_name = "perm";
    61   // Generation Counters - generation 2, 1 subspace
    62   _gen_counters = new GenerationCounters(gen_name, 2, 1, &_virtual_space);
    64   _gc_counters = NULL;
    66   _space_counters = new GSpaceCounters(gen_name, 0,
    67                                        _virtual_space.reserved_size(),
    68                                        this, _gen_counters);
    69 }

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