/*

 * Copyright 2001-2007 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/_vm_operations_g1.cpp.incl"

void VM_G1CollectForAllocation::doit() {

  JvmtiGCForAllocationMarker jgcm;

  G1CollectedHeap* g1h = G1CollectedHeap::heap();

  _res = g1h->satisfy_failed_allocation(_size);

  assert(g1h->is_in_or_null(_res), "result not in heap");

}

void VM_G1CollectFull::doit() {

  JvmtiGCFullMarker jgcm;

  G1CollectedHeap* g1h = G1CollectedHeap::heap();

  GCCauseSetter x(g1h, _gc_cause);

  g1h->do_full_collection(false /* clear_all_soft_refs */);

}

void VM_G1IncCollectionPause::doit() {

  JvmtiGCForAllocationMarker jgcm;

  G1CollectedHeap* g1h = G1CollectedHeap::heap();

  GCCauseSetter x(g1h, GCCause::_g1_inc_collection_pause);

  g1h->do_collection_pause_at_safepoint(NULL);

}

void VM_G1PopRegionCollectionPause::doit() {

  JvmtiGCForAllocationMarker jgcm;

  G1CollectedHeap* g1h = G1CollectedHeap::heap();

  g1h->do_collection_pause_at_safepoint(_pop_region);

}

void VM_CGC_Operation::doit() {

  gclog_or_tty->date_stamp(PrintGC && PrintGCDateStamps);

  TraceCPUTime tcpu(PrintGCDetails, true, gclog_or_tty);

  TraceTime t(_printGCMessage, PrintGC, true, gclog_or_tty);

  SharedHeap* sh = SharedHeap::heap();

  // This could go away if CollectedHeap gave access to _gc_is_active...

  if (sh != NULL) {

    IsGCActiveMark x;

    _cl->do_void();

  } else {

    _cl->do_void();

  }

}

bool VM_CGC_Operation::doit_prologue() {

  Heap_lock->lock();

  SharedHeap::heap()->_thread_holds_heap_lock_for_gc = true;

  return true;

}

void VM_CGC_Operation::doit_epilogue() {

  SharedHeap::heap()->_thread_holds_heap_lock_for_gc = false;

  Heap_lock->unlock();

}