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annotate src/share/vm/runtime/jniPeriodicChecker.cpp @ 1552:c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair
| author | trims |
|---|---|
| date | Thu, 27 May 2010 19:08:38 -0700 |
| parents | a61af66fc99e |
| children | f95d63e2154a |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 # include "incls/_precompiled.incl" | |
| 26 # include "incls/_jniPeriodicChecker.cpp.incl" | |
| 27 | |
| 28 | |
| 29 // -------------------------------------------------------- | |
| 30 // Class to aid in periodic checking under CheckJNICalls | |
| 31 class JniPeriodicCheckerTask : public PeriodicTask { | |
| 32 public: | |
| 33 JniPeriodicCheckerTask(int interval_time) : PeriodicTask(interval_time) {} | |
| 34 void task() { os::run_periodic_checks(); } | |
| 35 static void engage(); | |
| 36 static void disengage(); | |
| 37 }; | |
| 38 | |
| 39 | |
| 40 //---------------------------------------------------------- | |
| 41 // Implementation of JniPeriodicChecker | |
| 42 | |
| 43 JniPeriodicCheckerTask* JniPeriodicChecker::_task = NULL; | |
| 44 | |
| 45 /* | |
| 46 * The engage() method is called at initialization time via | |
| 47 * Thread::create_vm() to initialize the JniPeriodicChecker and | |
| 48 * register it with the WatcherThread as a periodic task. | |
| 49 */ | |
| 50 void JniPeriodicChecker::engage() { | |
| 51 if (CheckJNICalls && !is_active()) { | |
| 52 // start up the periodic task | |
| 53 _task = new JniPeriodicCheckerTask(10); | |
| 54 _task->enroll(); | |
| 55 } | |
| 56 } | |
| 57 | |
| 58 | |
| 59 /* | |
| 60 * the disengage() method is responsible for deactivating the periodic | |
| 61 * task. This method is called from before_exit() in java.cpp and is only called | |
| 62 * after the WatcherThread has been stopped. | |
| 63 */ | |
| 64 void JniPeriodicChecker::disengage() { | |
| 65 if (CheckJNICalls && is_active()) { | |
| 66 // remove JniPeriodicChecker | |
| 67 _task->disenroll(); | |
| 68 delete _task; | |
| 69 _task = NULL; | |
| 70 } | |
| 71 } | |
| 72 | |
| 73 void jniPeriodicChecker_exit() { | |
| 74 if (!CheckJNICalls) return; | |
| 75 } |