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src/hotspot/share/prims/whitebox.hpp

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   1 /*
   2  * Copyright (c) 2012, 2014, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_PRIMS_WHITEBOX_HPP
  26 #define SHARE_VM_PRIMS_WHITEBOX_HPP
  27 
  28 #include "prims/jni.h"
  29 
  30 #include "utilities/exceptions.hpp"
  31 #include "memory/allocation.hpp"
  32 #include "oops/oopsHierarchy.hpp"
  33 #include "oops/symbol.hpp"
  34 #include "runtime/interfaceSupport.hpp"
  35 
  36 // Unconditionally clear pedantic pending JNI checks
  37 class ClearPendingJniExcCheck : public StackObj {
  38 private:
  39   JavaThread* _thread;
  40 public:
  41   ClearPendingJniExcCheck(JNIEnv* env) : _thread(JavaThread::thread_from_jni_environment(env)) {}
  42   ~ClearPendingJniExcCheck() {
  43     _thread->clear_pending_jni_exception_check();
  44   }
  45 };
  46 
  47 // Entry macro to transition from JNI to VM state.
  48 


   1 /*
   2  * Copyright (c) 2012, 2017, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_PRIMS_WHITEBOX_HPP
  26 #define SHARE_VM_PRIMS_WHITEBOX_HPP
  27 
  28 #include "jni.h"
  29 
  30 #include "utilities/exceptions.hpp"
  31 #include "memory/allocation.hpp"
  32 #include "oops/oopsHierarchy.hpp"
  33 #include "oops/symbol.hpp"
  34 #include "runtime/interfaceSupport.hpp"
  35 
  36 // Unconditionally clear pedantic pending JNI checks
  37 class ClearPendingJniExcCheck : public StackObj {
  38 private:
  39   JavaThread* _thread;
  40 public:
  41   ClearPendingJniExcCheck(JNIEnv* env) : _thread(JavaThread::thread_from_jni_environment(env)) {}
  42   ~ClearPendingJniExcCheck() {
  43     _thread->clear_pending_jni_exception_check();
  44   }
  45 };
  46 
  47 // Entry macro to transition from JNI to VM state.
  48 


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