1 /*

     2  * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  *

    23  */

    24 

    25 #ifndef SHARE_VM_RUNTIME_COMMANDLINEFLAGCONSTRAINTSGC_HPP

    26 #define SHARE_VM_RUNTIME_COMMANDLINEFLAGCONSTRAINTSGC_HPP

    27 

    28 #include "runtime/globals.hpp"

    29 #include "utilities/globalDefinitions.hpp"

    30 

    31 /*

    32  * Here we have GC arguments constraints functions, which are called automatically

    33  * whenever flag's value changes. If the constraint fails the function should return

    34  * an appropriate error value.

    35  */

    36 

    37 Flag::Error MinHeapFreeRatioConstraintFunc(bool verbose, uintx* value);

    38 Flag::Error MaxHeapFreeRatioConstraintFunc(bool verbose, uintx* value);

    39 

    40 Flag::Error MinMetaspaceFreeRatioConstraintFunc(bool verbose, uintx* value);

    41 Flag::Error MaxMetaspaceFreeRatioConstraintFunc(bool verbose, uintx* value);

    42 

    43 Flag::Error InitialTenuringThresholdConstraintFunc(bool verbose, uintx* value);

    44 Flag::Error MaxTenuringThresholdConstraintFunc(bool verbose, uintx* value);

    45 

    46 #if INCLUDE_ALL_GCS

    47 Flag::Error G1NewSizePercentConstraintFunc(bool verbose, uintx* value);

    48 Flag::Error G1MaxNewSizePercentConstraintFunc(bool verbose, uintx* value);

    49 #endif // INCLUDE_ALL_GCS

    50 

    51 Flag::Error CMSOldPLABMinConstraintFunc(bool verbose, size_t* value);

    52 

    53 Flag::Error CMSPrecleanDenominatorConstraintFunc(bool verbose, uintx* value);

    54 Flag::Error CMSPrecleanNumeratorConstraintFunc(bool verbose, uintx* value);

    55 

    56 Flag::Error SurvivorAlignmentInBytesConstraintFunc(bool verbose, intx* value);

    57 

    58 #endif /* SHARE_VM_RUNTIME_COMMANDLINEFLAGCONSTRAINTSGC_HPP */