author | brutisso |
Fri, 14 Mar 2014 10:15:46 +0100 | |
changeset 23450 | c7c6202fc7e2 |
parent 13336 | e582172ff6ff |
child 23471 | ec9427262f0a |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2011, 2012, 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_HEAPREGIONSET_INLINE_HPP |
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#define SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSET_INLINE_HPP |
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#include "gc_implementation/g1/heapRegionSet.hpp" |
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inline void HeapRegionSetBase::add(HeapRegion* hr) { |
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check_mt_safety(); |
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assert(hr->containing_set() == NULL, hrs_ext_msg(this, "should not already have a containing set %u")); |
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assert(hr->next() == NULL, hrs_ext_msg(this, "should not already be linked")); |
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_count.increment(1u, hr->capacity()); |
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hr->set_containing_set(this); |
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verify_region(hr); |
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} |
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inline void HeapRegionSetBase::remove(HeapRegion* hr) { |
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check_mt_safety(); |
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verify_region(hr); |
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assert(hr->next() == NULL, hrs_ext_msg(this, "should already be unlinked")); |
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hr->set_containing_set(NULL); |
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assert(_count.length() > 0, hrs_ext_msg(this, "pre-condition")); |
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_count.decrement(1u, hr->capacity()); |
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} |
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inline void FreeRegionList::add_as_head(HeapRegion* hr) { |
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assert((length() == 0 && _head == NULL && _tail == NULL) || |
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(length() > 0 && _head != NULL && _tail != NULL), |
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hrs_ext_msg(this, "invariant")); |
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// add() will verify the region and check mt safety. |
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add(hr); |
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// Now link the region. |
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if (_head != NULL) { |
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hr->set_next(_head); |
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} else { |
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_tail = hr; |
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} |
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_head = hr; |
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} |
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inline void FreeRegionList::add_as_tail(HeapRegion* hr) { |
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check_mt_safety(); |
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assert((length() == 0 && _head == NULL && _tail == NULL) || |
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(length() > 0 && _head != NULL && _tail != NULL), |
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hrs_ext_msg(this, "invariant")); |
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// add() will verify the region and check mt safety |
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add(hr); |
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// Now link the region. |
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if (_tail != NULL) { |
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_tail->set_next(hr); |
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} else { |
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_head = hr; |
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} |
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_tail = hr; |
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} |
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inline HeapRegion* FreeRegionList::remove_head() { |
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assert(!is_empty(), hrs_ext_msg(this, "the list should not be empty")); |
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assert(length() > 0 && _head != NULL && _tail != NULL, |
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hrs_ext_msg(this, "invariant")); |
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// We need to unlink it first. |
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HeapRegion* hr = _head; |
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_head = hr->next(); |
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if (_head == NULL) { |
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_tail = NULL; |
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} |
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hr->set_next(NULL); |
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// remove() will verify the region and check mt safety |
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remove(hr); |
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return hr; |
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} |
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inline HeapRegion* FreeRegionList::remove_head_or_null() { |
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check_mt_safety(); |
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if (!is_empty()) { |
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return remove_head(); |
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} else { |
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return NULL; |
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} |
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} |
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#endif // SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSET_INLINE_HPP |