--- /dev/null Sat Nov 18 16:56:57 2017 +++ new/src/hotspot/share/runtime/threadSMR.inline.hpp Sat Nov 18 16:56:56 2017 @@ -0,0 +1,62 @@ +/* + * Copyright (c) 2017, 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_RUNTIME_THREADSMR_INLINE_HPP +#define SHARE_VM_RUNTIME_THREADSMR_INLINE_HPP + +#include "runtime/atomic.hpp" +#include "runtime/prefetch.inline.hpp" +#include "runtime/thread.inline.hpp" +#include "runtime/threadSMR.hpp" + +// Devirtualize known thread closure types. +template +inline void ThreadsList::threads_do_dispatch(T *cl, JavaThread *const thread) const { + cl->T::do_thread(thread); +} + +template <> +inline void ThreadsList::threads_do_dispatch(ThreadClosure *cl, JavaThread *const thread) const { + cl->do_thread(thread); +} + +template +inline void ThreadsList::threads_do(T *cl) const { + const intx scan_interval = PrefetchScanIntervalInBytes; + JavaThread *const *const end = _threads + _length; + for (JavaThread *const *current_p = _threads; current_p != end; current_p++) { + Prefetch::read((void*)current_p, scan_interval); + JavaThread *const current = *current_p; + threads_do_dispatch(cl, current); + } +} + +inline ThreadsList* ThreadsListSetter::list() { + ThreadsList *ret = _target->get_threads_hazard_ptr(); + assert(ret != NULL, "hazard ptr should be set"); + assert(!Thread::is_hazard_ptr_tagged(ret), "hazard ptr should be validated"); + return ret; +} + +#endif // SHARE_VM_RUNTIME_THREADSMR_INLINE_HPP