Wed, 17 Sep 2008 19:59:35 +0400
Merge
duke@435 | 1 | /* |
duke@435 | 2 | * Copyright 2007 Sun Microsystems, Inc. All Rights Reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
duke@435 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
duke@435 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
duke@435 | 21 | * have any questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
duke@435 | 25 | class JniPeriodicCheckerTask; |
duke@435 | 26 | |
duke@435 | 27 | /* |
duke@435 | 28 | * This gets activated under Xcheck:jni (CheckJNICalls), and is typically |
duke@435 | 29 | * to detect any errors caused by JNI applications, such as signal handler, |
duke@435 | 30 | * hijacking, va 0x0 hijacking either by mmap or an OS error. |
duke@435 | 31 | */ |
duke@435 | 32 | |
duke@435 | 33 | |
duke@435 | 34 | class JniPeriodicChecker : AllStatic { |
duke@435 | 35 | |
duke@435 | 36 | friend class JniPeriodicCheckerTask; |
duke@435 | 37 | |
duke@435 | 38 | private: |
duke@435 | 39 | static JniPeriodicCheckerTask* _task; |
duke@435 | 40 | |
duke@435 | 41 | public: |
duke@435 | 42 | // Start/stop task |
duke@435 | 43 | static void engage(); |
duke@435 | 44 | static void disengage(); |
duke@435 | 45 | |
duke@435 | 46 | static bool is_active() { return _task != NULL; } |
duke@435 | 47 | |
duke@435 | 48 | static void initialize(); |
duke@435 | 49 | static void destroy(); |
duke@435 | 50 | }; |
duke@435 | 51 | |
duke@435 | 52 | void jniPeriodicChecker_exit(); |