hotspot/src/share/vm/gc_implementation/g1/g1AllocRegion.inline.hpp
author jwilhelm
Thu, 03 Oct 2013 21:36:29 +0200
changeset 20398 b206c580c45f
parent 8928 e5c53268bef5
child 22551 9bf46d16dcc6
permissions -rw-r--r--
8025852: Remove unnecessary setters in collector policy classes Summary: Use instance variables directly within the collector policy classes and remove unused setters. Reviewed-by: tschatzl, jcoomes
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/*
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 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1ALLOCREGION_INLINE_HPP
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#define SHARE_VM_GC_IMPLEMENTATION_G1_G1ALLOCREGION_INLINE_HPP
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#include "gc_implementation/g1/g1AllocRegion.hpp"
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inline HeapWord* G1AllocRegion::allocate(HeapRegion* alloc_region,
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                                         size_t word_size,
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                                         bool bot_updates) {
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  assert(alloc_region != NULL, err_msg("pre-condition"));
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  if (!bot_updates) {
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    return alloc_region->allocate_no_bot_updates(word_size);
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  } else {
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    return alloc_region->allocate(word_size);
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  }
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}
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inline HeapWord* G1AllocRegion::par_allocate(HeapRegion* alloc_region,
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                                             size_t word_size,
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                                             bool bot_updates) {
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  assert(alloc_region != NULL, err_msg("pre-condition"));
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  assert(!alloc_region->is_empty(), err_msg("pre-condition"));
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  if (!bot_updates) {
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    return alloc_region->par_allocate_no_bot_updates(word_size);
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  } else {
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    return alloc_region->par_allocate(word_size);
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  }
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}
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inline HeapWord* G1AllocRegion::attempt_allocation(size_t word_size,
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                                                   bool bot_updates) {
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  assert(bot_updates == _bot_updates, ar_ext_msg(this, "pre-condition"));
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  HeapRegion* alloc_region = _alloc_region;
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  assert(alloc_region != NULL, ar_ext_msg(this, "not initialized properly"));
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  HeapWord* result = par_allocate(alloc_region, word_size, bot_updates);
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  if (result != NULL) {
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    trace("alloc", word_size, result);
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    return result;
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  }
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  trace("alloc failed", word_size);
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  return NULL;
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}
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inline HeapWord* G1AllocRegion::attempt_allocation_locked(size_t word_size,
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                                                          bool bot_updates) {
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  // First we have to tedo the allocation, assuming we're holding the
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  // appropriate lock, in case another thread changed the region while
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  // we were waiting to get the lock.
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  HeapWord* result = attempt_allocation(word_size, bot_updates);
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  if (result != NULL) {
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    return result;
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  }
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  retire(true /* fill_up */);
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  result = new_alloc_region_and_allocate(word_size, false /* force */);
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  if (result != NULL) {
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    trace("alloc locked (second attempt)", word_size, result);
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    return result;
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  }
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  trace("alloc locked failed", word_size);
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  return NULL;
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}
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inline HeapWord* G1AllocRegion::attempt_allocation_force(size_t word_size,
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                                                         bool bot_updates) {
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  assert(bot_updates == _bot_updates, ar_ext_msg(this, "pre-condition"));
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  assert(_alloc_region != NULL, ar_ext_msg(this, "not initialized properly"));
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  trace("forcing alloc");
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  HeapWord* result = new_alloc_region_and_allocate(word_size, true /* force */);
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  if (result != NULL) {
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    trace("alloc forced", word_size, result);
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    return result;
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  }
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  trace("alloc forced failed", word_size);
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  return NULL;
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}
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#endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1ALLOCREGION_INLINE_HPP