jdk8-mips64-public/hotspot: src/share/vm/prims/jvmtiRawMonitor.hpp@db9981fd3124

8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
Summary: Rename INCLUDE_ALTERNATE_GCS to INCLUDE_ALL_GCS and replace SERIALGC with INCLUDE_ALL_GCS.
Reviewed-by: coleenp, stefank

     1 /*

     2  * Copyright (c) 1999, 2010, 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  */

    25 #ifndef SHARE_VM_PRIMS_JVMTIRAWMONITOR_HPP

    26 #define SHARE_VM_PRIMS_JVMTIRAWMONITOR_HPP

    28 #ifndef JVMTI_KERNEL

    29 #include "runtime/objectMonitor.hpp"

    30 #include "utilities/growableArray.hpp"

    31 #endif

    33 //

    34 // class JvmtiRawMonitor

    35 //

    36 // Used by JVMTI methods: All RawMonitor methods (CreateRawMonitor, EnterRawMonitor, etc.)

    37 //

    38 // Wrapper for ObjectMonitor class that saves the Monitor's name

    39 //

    41 class JvmtiRawMonitor : public ObjectMonitor  {

    42 private:

    43   int           _magic;

    44   char *        _name;

    45   // JVMTI_RM_MAGIC is set in contructor and unset in destructor.

    46   enum { JVMTI_RM_MAGIC = (int)(('T' << 24) | ('I' << 16) | ('R' << 8) | 'M') };

    48   int       SimpleEnter (Thread * Self) ;

    49   int       SimpleExit  (Thread * Self) ;

    50   int       SimpleWait  (Thread * Self, jlong millis) ;

    51   int       SimpleNotify (Thread * Self, bool All) ;

    53 public:

    54   JvmtiRawMonitor(const char *name);

    55   ~JvmtiRawMonitor();

    56   int       raw_enter(TRAPS);

    57   int       raw_exit(TRAPS);

    58   int       raw_wait(jlong millis, bool interruptable, TRAPS);

    59   int       raw_notify(TRAPS);

    60   int       raw_notifyAll(TRAPS);

    61   int            magic()   { return _magic;  }

    62   const char *get_name()   { return _name; }

    63   bool        is_valid();

    64 };

    66 // Onload pending raw monitors

    67 // Class is used to cache onload or onstart monitor enter

    68 // which will transition into real monitor when

    69 // VM is fully initialized.

    70 class JvmtiPendingMonitors : public AllStatic {

    72 private:

    73   static GrowableArray<JvmtiRawMonitor*> *_monitors; // Cache raw monitor enter

    75   inline static GrowableArray<JvmtiRawMonitor*>* monitors() { return _monitors; }

    77   static void dispose() {

    78     delete monitors();

    79   }

    81 public:

    82   static void enter(JvmtiRawMonitor *monitor) {

    83     monitors()->append(monitor);

    84   }

    86   static int count() {

    87     return monitors()->length();

    88   }

    90   static void destroy(JvmtiRawMonitor *monitor) {

    91     while (monitors()->contains(monitor)) {

    92       monitors()->remove(monitor);

    93     }

    94   }

    96   // Return false if monitor is not found in the list.

    97   static bool exit(JvmtiRawMonitor *monitor) {

    98     if (monitors()->contains(monitor)) {

    99       monitors()->remove(monitor);

   100       return true;

   101     } else {

   102       return false;

   103     }

   104   }

   106   static void transition_raw_monitors();

   107 };

   109 #endif // SHARE_VM_PRIMS_JVMTIRAWMONITOR_HPP

Mercurial > jdk8-mips64-public > hotspot / file revision

src/share/vm/prims/jvmtiRawMonitor.hpp@db9981fd3124

src/share/vm/prims/jvmtiRawMonitor.hpp