1 /*

     2  * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     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

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 #include "precompiled.hpp"

    25 #include "gc/z/zRuntimeWorkers.hpp"

    26 

    27 ZRuntimeWorkers::ZRuntimeWorkers() :

    28     _workers("RuntimeWorker",

    29              nworkers(),

    30              false /* are_GC_task_threads */,

    31              false /* are_ConcurrentGC_threads */) {

    32 

    33   log_info(gc, init)("Runtime Workers: %u parallel", nworkers());

    34 

    35   // Initialize worker threads

    36   _workers.initialize_workers();

    37   _workers.update_active_workers(nworkers());

    38 }

    39 

    40 uint ZRuntimeWorkers::nworkers() const {

    41   return ParallelGCThreads;

    42 }

    43 

    44 WorkGang* ZRuntimeWorkers::workers() {

    45   return &_workers;

    46 }

    47 

    48 void ZRuntimeWorkers::threads_do(ThreadClosure* tc) const {

    49   _workers.threads_do(tc);

    50 }

    51 

    52 void ZRuntimeWorkers::print_threads_on(outputStream* st) const {

    53   _workers.print_worker_threads_on(st);

    54 }