1 /*

     2  * Copyright (c) 2015, 2017, 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_JVMFLAGCONSTRAINTSRUNTIME_HPP

    26 #define SHARE_VM_RUNTIME_JVMFLAGCONSTRAINTSRUNTIME_HPP

    27 

    28 #include "runtime/flags/jvmFlag.hpp"

    29 

    30 /*

    31  * Here we have runtime arguments constraints functions, which are called automatically

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

    33  * an appropriate error value.

    34  */

    35 

    36 JVMFlag::Error ObjectAlignmentInBytesConstraintFunc(intx value, bool verbose);

    37 

    38 JVMFlag::Error ContendedPaddingWidthConstraintFunc(intx value, bool verbose);

    39 

    40 JVMFlag::Error BiasedLockingBulkRebiasThresholdFunc(intx value, bool verbose);

    41 JVMFlag::Error BiasedLockingStartupDelayFunc(intx value, bool verbose);

    42 JVMFlag::Error BiasedLockingBulkRevokeThresholdFunc(intx value, bool verbose);

    43 JVMFlag::Error BiasedLockingDecayTimeFunc(intx value, bool verbose);

    44 

    45 JVMFlag::Error PerfDataSamplingIntervalFunc(intx value, bool verbose);

    46 

    47 JVMFlag::Error ThreadLocalHandshakesConstraintFunc(bool value, bool verbose);

    48 

    49 

    50 #endif /* SHARE_VM_RUNTIME_JVMFLAGCONSTRAINTSRUNTIME_HPP */