/*

 * Copyright (c) 2007 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 *

 */

# include "incls/_precompiled.incl"

# include "incls/_vmPSOperations.cpp.incl"

// The following methods are used by the parallel scavenge collector

VM_ParallelGCFailedAllocation::VM_ParallelGCFailedAllocation(size_t size,

  bool is_tlab, unsigned int gc_count) :

  VM_GC_Operation(gc_count),

  _size(size),

  _is_tlab(is_tlab),

  _result(NULL)

{

}

void VM_ParallelGCFailedAllocation::doit() {

  JvmtiGCForAllocationMarker jgcm;

  notify_gc_begin(false);

  ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap();

  assert(heap->kind() == CollectedHeap::ParallelScavengeHeap, "must be a ParallelScavengeHeap");

  GCCauseSetter gccs(heap, _gc_cause);

  _result = heap->failed_mem_allocate(_size, _is_tlab);

  if (_result == NULL && GC_locker::is_active_and_needs_gc()) {

    set_gc_locked();

  }

  notify_gc_end();

}

VM_ParallelGCFailedPermanentAllocation::VM_ParallelGCFailedPermanentAllocation(size_t size,

  unsigned int gc_count, unsigned int full_gc_count) :

  VM_GC_Operation(gc_count, full_gc_count, true /* full */),

  _size(size),

  _result(NULL)

{

}

void VM_ParallelGCFailedPermanentAllocation::doit() {

  JvmtiGCFullMarker jgcm;

  notify_gc_begin(true);

  ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap();

  assert(heap->kind() == CollectedHeap::ParallelScavengeHeap, "must be a ParallelScavengeHeap");

  GCCauseSetter gccs(heap, _gc_cause);

  _result = heap->failed_permanent_mem_allocate(_size);

  if (_result == NULL && GC_locker::is_active_and_needs_gc()) {

    set_gc_locked();

  }

  notify_gc_end();

}

// Only used for System.gc() calls

VM_ParallelGCSystemGC::VM_ParallelGCSystemGC(unsigned int gc_count,

                                             unsigned int full_gc_count,

                                             GCCause::Cause gc_cause) :

  VM_GC_Operation(gc_count, full_gc_count, true /* full */)

{

  _gc_cause = gc_cause;

}

void VM_ParallelGCSystemGC::doit() {

  JvmtiGCFullMarker jgcm;

  notify_gc_begin(true);

  ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap();

  assert(heap->kind() == CollectedHeap::ParallelScavengeHeap,

    "must be a ParallelScavengeHeap");

  GCCauseSetter gccs(heap, _gc_cause);

  if (_gc_cause == GCCause::_gc_locker

      DEBUG_ONLY(|| _gc_cause == GCCause::_scavenge_alot)) {

    // If (and only if) the scavenge fails, this will invoke a full gc.

    heap->invoke_scavenge();

  } else {

    heap->invoke_full_gc(false);

  }

  notify_gc_end();

}