--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/gc/g1/heapRegionSet.inline.hpp Wed May 13 15:16:06 2015 +0200
@@ -0,0 +1,152 @@
+/*
+ * Copyright (c) 2011, 2015, 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_G1_HEAPREGIONSET_INLINE_HPP
+#define SHARE_VM_GC_G1_HEAPREGIONSET_INLINE_HPP
+
+#include "gc/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_G1_HEAPREGIONSET_INLINE_HPP
+