/*
 * Copyright (c) 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
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 */

#ifndef SHARE_VM_GC_SHARED_ADAPTIVESIZEPOLICY_INLINE_HPP
#define SHARE_VM_GC_SHARED_ADAPTIVESIZEPOLICY_INLINE_HPP

#include "gc/shared/adaptiveSizePolicy.hpp"

template <class WorkerType>
bool AdaptiveSizePolicy::add_workers(WorkerType* holder,
                                        uint& active_workers,
                                        uint total_workers,
                                        uint& created_workers,
                                        os::ThreadType worker_type,
                                        bool initializing) {
  uint start = created_workers;
  uint end = MIN2(active_workers, total_workers);
  for (uint worker_id = start; worker_id < end; worker_id += 1) {
    WorkerThread* new_worker = holder->install_worker(worker_id);
    assert(new_worker != NULL, "Failed to allocate GangWorker");
    if (new_worker == NULL || !os::create_thread(new_worker, worker_type)) {
      if(initializing) {
        vm_exit_out_of_memory(0, OOM_MALLOC_ERROR,
                "Cannot create worker GC thread. Out of system resources.");
      }
      return false;
    }
    created_workers++;

    if (!DisableStartThread || !initializing) {
      os::start_thread(new_worker);
    }
  }

  active_workers = MIN2(active_workers, created_workers);
  active_workers = MAX2(1U, active_workers);

  log_trace(gc, task)("AdaptiveSizePolicy::add_workers() : "
     "active_workers: %u created_workers: %u",
     active_workers, created_workers);

  return true;
}
#endif // SHARE_VM_GC_SHARED_ADAPTIVESIZEPOLICY_INLINE_HPP