| /* |
| * Copyright (c) 2015, 2016, 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 SRC_SHARE_VM_GC_SHARED_MEMSETWITHCONCURRENTREADERS_HPP |
| #define SRC_SHARE_VM_GC_SHARED_MEMSETWITHCONCURRENTREADERS_HPP |
| |
| #include "utilities/macros.hpp" |
| |
| #include <stddef.h> |
| #include <string.h> |
| |
| // Fill a block of memory with value, like memset, but with the |
| // understanding that there may be concurrent readers of that memory. |
| void memset_with_concurrent_readers(void* to, int value, size_t size); |
| |
| #ifdef SPARC |
| |
| // SPARC requires special handling. See SPARC-specific definition. |
| |
| #else |
| // All others just use memset. |
| |
| inline void memset_with_concurrent_readers(void* to, int value, size_t size) { |
| ::memset(to, value, size); |
| } |
| |
| #endif // End of target dispatch. |
| |
| #endif // SRC_SHARE_VM_GC_SHARED_MEMSETWITHCONCURRENTREADERS_HPP |
