Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/utilities/hashtable.cpp
src/share/vm/utilities/hashtable.cpp
- changeset 8766
- ce9a710b0f63
- parent 7208
- 7baf47cb97cb
- child 8856
- ac27a9c85bea
- child 9614
- bb44c0e88235
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| 8764:0bd600d6d77b | 8766:ce9a710b0f63 |
|---|---|
| 1 /* | 1 /* |
| 2 * Copyright (c) 2003, 2014, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 2003, 2017, Oracle and/or its affiliates. All rights reserved. |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | 4 * |
| 5 * This code is free software; you can redistribute it and/or modify it | 5 * This code is free software; you can redistribute it and/or modify it |
| 6 * under the terms of the GNU General Public License version 2 only, as | 6 * under the terms of the GNU General Public License version 2 only, as |
| 7 * published by the Free Software Foundation. | 7 * published by the Free Software Foundation. |
| 170 } | 170 } |
| 171 *bucket_addr(i) = new_list; | 171 *bucket_addr(i) = new_list; |
| 172 } | 172 } |
| 173 } | 173 } |
| 174 | 174 |
| 175 template <MEMFLAGS F> void BasicHashtable<F>::BucketUnlinkContext::free_entry(BasicHashtableEntry<F>* entry) { | |
| 176 entry->set_next(_removed_head); | |
| 177 _removed_head = entry; | |
| 178 if (_removed_tail == NULL) { | |
| 179 _removed_tail = entry; | |
| 180 } | |
| 181 _num_removed++; | |
| 182 } | |
| 183 | |
| 184 template <MEMFLAGS F> void BasicHashtable<F>::bulk_free_entries(BucketUnlinkContext* context) { | |
| 185 if (context->_num_removed == 0) { | |
| 186 assert(context->_removed_head == NULL && context->_removed_tail == NULL, | |
| 187 err_msg("Zero entries in the unlink context, but elements linked from " PTR_FORMAT " to " PTR_FORMAT, | |
| 188 p2i(context->_removed_head), p2i(context->_removed_tail))); | |
| 189 return; | |
| 190 } | |
| 191 | |
| 192 // MT-safe add of the list of BasicHashTableEntrys from the context to the free list. | |
| 193 BasicHashtableEntry<F>* current = _free_list; | |
| 194 while (true) { | |
| 195 context->_removed_tail->set_next(current); | |
| 196 BasicHashtableEntry<F>* old = (BasicHashtableEntry<F>*)Atomic::cmpxchg_ptr(context->_removed_head, &_free_list, current); | |
| 197 if (old == current) { | |
| 198 break; | |
| 199 } | |
| 200 current = old; | |
| 201 } | |
| 202 Atomic::add(-context->_num_removed, &_number_of_entries); | |
| 203 } | |
| 175 | 204 |
| 176 // Copy the table to the shared space. | 205 // Copy the table to the shared space. |
| 177 | 206 |
| 178 template <MEMFLAGS F> void BasicHashtable<F>::copy_table(char** top, char* end) { | 207 template <MEMFLAGS F> void BasicHashtable<F>::copy_table(char** top, char* end) { |
| 179 | 208 |
