src/share/vm/runtime/jniPeriodicChecker.hpp

Wed, 31 Jan 2018 19:24:57 -0500

author
dbuck
date
Wed, 31 Jan 2018 19:24:57 -0500
changeset 9289
427b2fb1944f
parent 2314
f95d63e2154a
child 6876
710a3c8b516e
permissions
-rw-r--r--

8189170: Add option to disable stack overflow checking in primordial thread for use with JNI_CreateJavaJVM
Reviewed-by: dcubed

duke@435 1 /*
stefank@2314 2 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. 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 *
trims@1907 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907 20 * or visit www.oracle.com if you need additional information or have any
trims@1907 21 * questions.
duke@435 22 *
duke@435 23 */
duke@435 24
stefank@2314 25 #ifndef SHARE_VM_RUNTIME_JNIPERIODICCHECKER_HPP
stefank@2314 26 #define SHARE_VM_RUNTIME_JNIPERIODICCHECKER_HPP
stefank@2314 27
duke@435 28 class JniPeriodicCheckerTask;
duke@435 29
duke@435 30 /*
duke@435 31 * This gets activated under Xcheck:jni (CheckJNICalls), and is typically
duke@435 32 * to detect any errors caused by JNI applications, such as signal handler,
duke@435 33 * hijacking, va 0x0 hijacking either by mmap or an OS error.
duke@435 34 */
duke@435 35
duke@435 36
duke@435 37 class JniPeriodicChecker : AllStatic {
duke@435 38
duke@435 39 friend class JniPeriodicCheckerTask;
duke@435 40
duke@435 41 private:
duke@435 42 static JniPeriodicCheckerTask* _task;
duke@435 43
duke@435 44 public:
duke@435 45 // Start/stop task
duke@435 46 static void engage();
duke@435 47 static void disengage();
duke@435 48
duke@435 49 static bool is_active() { return _task != NULL; }
duke@435 50
duke@435 51 static void initialize();
duke@435 52 static void destroy();
duke@435 53 };
duke@435 54
duke@435 55 void jniPeriodicChecker_exit();
stefank@2314 56
stefank@2314 57 #endif // SHARE_VM_RUNTIME_JNIPERIODICCHECKER_HPP

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