76 lines
2.4 KiB
C++
76 lines
2.4 KiB
C++
/*
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* Copyright 2007 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*
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*/
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# include "incls/_precompiled.incl"
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# include "incls/_jniPeriodicChecker.cpp.incl"
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// --------------------------------------------------------
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// Class to aid in periodic checking under CheckJNICalls
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class JniPeriodicCheckerTask : public PeriodicTask {
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public:
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JniPeriodicCheckerTask(int interval_time) : PeriodicTask(interval_time) {}
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void task() { os::run_periodic_checks(); }
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static void engage();
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static void disengage();
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};
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//----------------------------------------------------------
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// Implementation of JniPeriodicChecker
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JniPeriodicCheckerTask* JniPeriodicChecker::_task = NULL;
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/*
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* The engage() method is called at initialization time via
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* Thread::create_vm() to initialize the JniPeriodicChecker and
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* register it with the WatcherThread as a periodic task.
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*/
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void JniPeriodicChecker::engage() {
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if (CheckJNICalls && !is_active()) {
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// start up the periodic task
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_task = new JniPeriodicCheckerTask(10);
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_task->enroll();
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}
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}
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/*
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* the disengage() method is responsible for deactivating the periodic
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* task. This method is called from before_exit() in java.cpp and is only called
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* after the WatcherThread has been stopped.
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*/
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void JniPeriodicChecker::disengage() {
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if (CheckJNICalls && is_active()) {
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// remove JniPeriodicChecker
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_task->disenroll();
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delete _task;
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_task = NULL;
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}
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}
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void jniPeriodicChecker_exit() {
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if (!CheckJNICalls) return;
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}
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