|
0
|
1 /*
|
|
|
2 * Copyright 2007 Sun Microsystems, Inc. All Rights Reserved.
|
|
|
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 *
|
|
|
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
|
|
|
20 * CA 95054 USA or visit www.sun.com if you need additional information or
|
|
|
21 * have any questions.
|
|
|
22 *
|
|
|
23 */
|
|
|
24
|
|
|
25 class JniPeriodicCheckerTask;
|
|
|
26
|
|
|
27 /*
|
|
|
28 * This gets activated under Xcheck:jni (CheckJNICalls), and is typically
|
|
|
29 * to detect any errors caused by JNI applications, such as signal handler,
|
|
|
30 * hijacking, va 0x0 hijacking either by mmap or an OS error.
|
|
|
31 */
|
|
|
32
|
|
|
33
|
|
|
34 class JniPeriodicChecker : AllStatic {
|
|
|
35
|
|
|
36 friend class JniPeriodicCheckerTask;
|
|
|
37
|
|
|
38 private:
|
|
|
39 static JniPeriodicCheckerTask* _task;
|
|
|
40
|
|
|
41 public:
|
|
|
42 // Start/stop task
|
|
|
43 static void engage();
|
|
|
44 static void disengage();
|
|
|
45
|
|
|
46 static bool is_active() { return _task != NULL; }
|
|
|
47
|
|
|
48 static void initialize();
|
|
|
49 static void destroy();
|
|
|
50 };
|
|
|
51
|
|
|
52 void jniPeriodicChecker_exit();
|
