Mercurial > hg > graal-compiler
view src/share/vm/gc_implementation/g1/heapRegionSet.inline.hpp @ 20591:28051f14c328
8043158: Crash in CodeSweeperSweepNoFlushTest in CompileQueue::free_all()
Summary: Acquire lock before calling notify()
Reviewed-by: twisti, thartmann
author | anoll |
---|---|
date | Fri, 20 Jun 2014 09:25:13 +0200 |
parents | a8ea2f110d87 |
children | 7848fc12602b |
line wrap: on
line source
/* * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSET_INLINE_HPP #define SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSET_INLINE_HPP #include "gc_implementation/g1/heapRegionSet.hpp" inline void HeapRegionSetBase::add(HeapRegion* hr) { check_mt_safety(); assert(hr->containing_set() == NULL, hrs_ext_msg(this, "should not already have a containing set %u")); assert(hr->next() == NULL, hrs_ext_msg(this, "should not already be linked")); assert(hr->prev() == NULL, hrs_ext_msg(this, "should not already be linked")); _count.increment(1u, hr->capacity()); hr->set_containing_set(this); verify_region(hr); } inline void HeapRegionSetBase::remove(HeapRegion* hr) { check_mt_safety(); verify_region(hr); assert(hr->next() == NULL, hrs_ext_msg(this, "should already be unlinked")); assert(hr->prev() == NULL, hrs_ext_msg(this, "should already be unlinked")); hr->set_containing_set(NULL); assert(_count.length() > 0, hrs_ext_msg(this, "pre-condition")); _count.decrement(1u, hr->capacity()); } inline void FreeRegionList::add_ordered(HeapRegion* hr) { assert((length() == 0 && _head == NULL && _tail == NULL && _last == NULL) || (length() > 0 && _head != NULL && _tail != NULL), hrs_ext_msg(this, "invariant")); // add() will verify the region and check mt safety. add(hr); // Now link the region if (_head != NULL) { HeapRegion* curr; if (_last != NULL && _last->hrm_index() < hr->hrm_index()) { curr = _last; } else { curr = _head; } // Find first entry with a Region Index larger than entry to insert. while (curr != NULL && curr->hrm_index() < hr->hrm_index()) { curr = curr->next(); } hr->set_next(curr); if (curr == NULL) { // Adding at the end hr->set_prev(_tail); _tail->set_next(hr); _tail = hr; } else if (curr->prev() == NULL) { // Adding at the beginning hr->set_prev(NULL); _head = hr; curr->set_prev(hr); } else { hr->set_prev(curr->prev()); hr->prev()->set_next(hr); curr->set_prev(hr); } } else { // The list was empty _tail = hr; _head = hr; } _last = hr; } inline HeapRegion* FreeRegionList::remove_from_head_impl() { HeapRegion* result = _head; _head = result->next(); if (_head == NULL) { _tail = NULL; } else { _head->set_prev(NULL); } result->set_next(NULL); return result; } inline HeapRegion* FreeRegionList::remove_from_tail_impl() { HeapRegion* result = _tail; _tail = result->prev(); if (_tail == NULL) { _head = NULL; } else { _tail->set_next(NULL); } result->set_prev(NULL); return result; } inline HeapRegion* FreeRegionList::remove_region(bool from_head) { check_mt_safety(); verify_optional(); if (is_empty()) { return NULL; } assert(length() > 0 && _head != NULL && _tail != NULL, hrs_ext_msg(this, "invariant")); HeapRegion* hr; if (from_head) { hr = remove_from_head_impl(); } else { hr = remove_from_tail_impl(); } if (_last == hr) { _last = NULL; } // remove() will verify the region and check mt safety. remove(hr); return hr; } #endif // SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSET_INLINE_HPP