view src/share/vm/gc_interface/gcCause.hpp @ 0:a61af66fc99e

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
children 37f87013dfd8
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 * Copyright 2002-2006 Sun Microsystems, Inc.  All Rights Reserved.
 * 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 if you need additional information or
 * have any questions.

// This class exposes implementation details of the various
// collector(s), and we need to be very careful with it. If
// use of this class grows, we should split it into public
// and implemenation-private "causes".

class GCCause : public AllStatic {
  enum Cause {
    /* public */

    /* implementation independent, but reserved for GC use */

    /* implementation specific */





  inline static bool is_user_requested_gc(GCCause::Cause cause) {
    return (cause == GCCause::_java_lang_system_gc ||
            cause == GCCause::_jvmti_force_gc);
  inline static bool is_serviceability_requested_gc(GCCause::Cause
                                                             cause) {
    return (cause == GCCause::_jvmti_force_gc ||
            cause == GCCause::_heap_inspection ||
            cause == GCCause::_heap_dump);
  // Return a string describing the GCCause.
  static const char* to_string(GCCause::Cause cause);
  // Return true if the GCCause is for a full collection.
  static bool is_for_full_collection(GCCause::Cause cause) PRODUCT_RETURN0;