annotate src/share/vm/gc_implementation/parallelScavenge/asPSOldGen.hpp @ 1563:c18cbe5936b8

6941466: Oracle rebranding changes for Hotspot repositories Summary: Change all the Sun copyrights to Oracle copyright Reviewed-by: ohair
author trims
date Thu, 27 May 2010 19:08:38 -0700
parents a61af66fc99e
children f95d63e2154a
rev   line source
duke@0 1 /*
trims@1563 2 * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
duke@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@0 4 *
duke@0 5 * This code is free software; you can redistribute it and/or modify it
duke@0 6 * under the terms of the GNU General Public License version 2 only, as
duke@0 7 * published by the Free Software Foundation.
duke@0 8 *
duke@0 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@0 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@0 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@0 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@0 13 * accompanied this code).
duke@0 14 *
duke@0 15 * You should have received a copy of the GNU General Public License version
duke@0 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@0 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@0 18 *
trims@1563 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1563 20 * or visit www.oracle.com if you need additional information or have any
trims@1563 21 * questions.
duke@0 22 *
duke@0 23 */
duke@0 24
duke@0 25 class ASPSOldGen : public PSOldGen {
duke@0 26 friend class VMStructs;
duke@0 27 size_t _gen_size_limit; // Largest size the generation's reserved size
duke@0 28 // can grow.
duke@0 29 public:
duke@0 30 ASPSOldGen(size_t initial_byte_size,
duke@0 31 size_t minimum_byte_size,
duke@0 32 size_t byte_size_limit,
duke@0 33 const char* gen_name, int level);
duke@0 34 ASPSOldGen(PSVirtualSpace* vs,
duke@0 35 size_t initial_byte_size,
duke@0 36 size_t minimum_byte_size,
duke@0 37 size_t byte_size_limit,
duke@0 38 const char* gen_name, int level);
duke@0 39 size_t gen_size_limit() { return _gen_size_limit; }
duke@0 40 size_t max_gen_size() { return _reserved.byte_size(); }
duke@0 41 void set_gen_size_limit(size_t v) { _gen_size_limit = v; }
duke@0 42
duke@0 43 // After a shrink or expand reset the generation
duke@0 44 void reset_after_change();
duke@0 45
duke@0 46 // Return number of bytes that the virtual space in the generation is willing
duke@0 47 // to expand or contract. The results from these methods should feed into the
duke@0 48 // decisions about adjusting the virtual space.
duke@0 49 size_t available_for_expansion();
duke@0 50 size_t available_for_contraction();
duke@0 51
duke@0 52 // Accessors
duke@0 53 void set_reserved(MemRegion v) { _reserved = v; }
duke@0 54
duke@0 55 // Debugging support
duke@0 56 virtual const char* short_name() const { return "ASPSOldGen"; }
duke@0 57 };