/*

 * 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.

 *

 */

#include "precompiled.hpp"

#include "memory/allocation.inline.hpp"

#include "memory/resourceArea.inline.hpp"

#include "runtime/mutexLocker.hpp"

#include "runtime/thread.inline.hpp"

#include "services/memTracker.hpp"

void ResourceArea::bias_to(MEMFLAGS new_flags) {

  if (new_flags != _flags) {

    MemTracker::record_arena_free(_flags);

    MemTracker::record_new_arena(new_flags);

    _flags = new_flags;

  }

}

//------------------------------ResourceMark-----------------------------------

debug_only(int ResourceArea::_warned;)      // to suppress multiple warnings

// The following routines are declared in allocation.hpp and used everywhere:

// Allocation in thread-local resource area

extern char* resource_allocate_bytes(size_t size, AllocFailType alloc_failmode) {

  return Thread::current()->resource_area()->allocate_bytes(size, alloc_failmode);

}

extern char* resource_allocate_bytes(Thread* thread, size_t size, AllocFailType alloc_failmode) {

  return thread->resource_area()->allocate_bytes(size, alloc_failmode);

}

extern char* resource_reallocate_bytes( char *old, size_t old_size, size_t new_size, AllocFailType alloc_failmode){

  return (char*)Thread::current()->resource_area()->Arealloc(old, old_size, new_size, alloc_failmode);

}

extern void resource_free_bytes( char *old, size_t size ) {

  Thread::current()->resource_area()->Afree(old, size);

}

#ifdef ASSERT

ResourceMark::ResourceMark(Thread *thread) {

  assert(thread == Thread::current(), "not the current thread");

  initialize(thread);

}

DeoptResourceMark::DeoptResourceMark(Thread *thread) {

  assert(thread == Thread::current(), "not the current thread");

  initialize(thread);

}

#endif

//-------------------------------------------------------------------------------

// Non-product code

#ifndef PRODUCT

void ResourceMark::free_malloced_objects() {

  Arena::free_malloced_objects(_chunk, _hwm, _max, _area->_hwm);

}

void DeoptResourceMark::free_malloced_objects() {

  Arena::free_malloced_objects(_chunk, _hwm, _max, _area->_hwm);

}

#endif