Mercurial > hg > graal-jvmci-8
view src/share/vm/runtime/jniPeriodicChecker.hpp @ 1877:a4c7fe54bf3f
6991315: RedefineClasses fails with java.lang.VerifyError
Summary: Repair stackmap table attribute when relocating bytecode
Reviewed-by: acorn, never
author | kamg |
---|---|
date | Thu, 21 Oct 2010 10:10:23 -0400 |
parents | c18cbe5936b8 |
children | f95d63e2154a |
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/* * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ class JniPeriodicCheckerTask; /* * This gets activated under Xcheck:jni (CheckJNICalls), and is typically * to detect any errors caused by JNI applications, such as signal handler, * hijacking, va 0x0 hijacking either by mmap or an OS error. */ class JniPeriodicChecker : AllStatic { friend class JniPeriodicCheckerTask; private: static JniPeriodicCheckerTask* _task; public: // Start/stop task static void engage(); static void disengage(); static bool is_active() { return _task != NULL; } static void initialize(); static void destroy(); }; void jniPeriodicChecker_exit();