/*

 * Copyright (c) 2014, 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 SHARE_VM_GC_SHARED_PLAB_INLINE_HPP

#define SHARE_VM_GC_SHARED_PLAB_INLINE_HPP

#include "gc/shared/collectedHeap.inline.hpp"

#include "gc/shared/plab.hpp"

#include "memory/allocation.inline.hpp"

#include "runtime/atomic.hpp"

inline HeapWord* PLAB::allocate_aligned(size_t word_sz, unsigned short alignment_in_bytes) {

  HeapWord* res = CollectedHeap::align_allocation_or_fail(_top, _end, alignment_in_bytes);

  if (res == NULL) {

    return NULL;

  }

  // Set _top so that allocate(), which expects _top to be correctly set,

  // can be used below.

  _top = res;

  return allocate(word_sz);

}

void PLABStats::add_allocated(size_t v) {

  Atomic::add_ptr(v, &_allocated);

}

void PLABStats::add_unused(size_t v) {

  Atomic::add_ptr(v, &_unused);

}

void PLABStats::add_wasted(size_t v) {

  Atomic::add_ptr(v, &_wasted);

}

void PLABStats::add_undo_wasted(size_t v) {

  Atomic::add_ptr(v, &_undo_wasted);

}

#endif // SHARE_VM_GC_SHARED_PLAB_INLINE_HPP