0N/A/*
1879N/A * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
1472N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1472N/A * or visit www.oracle.com if you need additional information or have any
1472N/A * questions.
0N/A *
0N/A */
0N/A
1879N/A#ifndef SHARE_VM_RUNTIME_JNIPERIODICCHECKER_HPP
1879N/A#define SHARE_VM_RUNTIME_JNIPERIODICCHECKER_HPP
1879N/A
0N/Aclass JniPeriodicCheckerTask;
0N/A
0N/A/*
0N/A * This gets activated under Xcheck:jni (CheckJNICalls), and is typically
0N/A * to detect any errors caused by JNI applications, such as signal handler,
0N/A * hijacking, va 0x0 hijacking either by mmap or an OS error.
0N/A */
0N/A
0N/A
0N/Aclass JniPeriodicChecker : AllStatic {
0N/A
0N/A friend class JniPeriodicCheckerTask;
0N/A
0N/A private:
0N/A static JniPeriodicCheckerTask* _task;
0N/A
0N/A public:
0N/A // Start/stop task
0N/A static void engage();
0N/A static void disengage();
0N/A
0N/A static bool is_active() { return _task != NULL; }
0N/A
0N/A static void initialize();
0N/A static void destroy();
0N/A};
0N/A
0N/Avoid jniPeriodicChecker_exit();
1879N/A
1879N/A#endif // SHARE_VM_RUNTIME_JNIPERIODICCHECKER_HPP