jdk8-mips64-public/hotspot: src/share/vm/utilities/preserveException.cpp@0fbdb4381b99

6814575: Update copyright year
Summary: Update copyright for files that have been modified in 2009, up to 03/09
Reviewed-by: katleman, tbell, ohair

     1 /*

     2  * Copyright 1998-2006 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  */

    25 #include "incls/_precompiled.incl"

    26 #include "incls/_preserveException.cpp.incl"

    28 // TODO: These three classes should be refactored

    30 PreserveExceptionMark::PreserveExceptionMark(Thread*& thread) {

    31   thread     = Thread::current();

    32   _thread    = thread;

    33   _preserved_exception_oop = Handle(thread, _thread->pending_exception());

    34   _thread->clear_pending_exception(); // Needed to avoid infinite recursion

    35   _preserved_exception_line = _thread->exception_line();

    36   _preserved_exception_file = _thread->exception_file();

    37 }

    40 PreserveExceptionMark::~PreserveExceptionMark() {

    41   if (_thread->has_pending_exception()) {

    42     oop exception = _thread->pending_exception();

    43     _thread->clear_pending_exception(); // Needed to avoid infinite recursion

    44     exception->print();

    45     fatal("PreserveExceptionMark destructor expects no pending exceptions");

    46   }

    47   if (_preserved_exception_oop() != NULL) {

    48     _thread->set_pending_exception(_preserved_exception_oop(), _preserved_exception_file, _preserved_exception_line);

    49   }

    50 }

    53 // This code is cloned from PreserveExceptionMark, except that:

    54 //   returned pending exceptions do not cause a crash.

    55 //   thread is passed in, not set (not a reference parameter)

    56 //   and bug 6431341 has been addressed.

    58 CautiouslyPreserveExceptionMark::CautiouslyPreserveExceptionMark(Thread* thread) {

    59   _thread    = thread;

    60   _preserved_exception_oop = Handle(thread, _thread->pending_exception());

    61   _preserved_exception_line = _thread->exception_line();

    62   _preserved_exception_file = _thread->exception_file();

    63   _thread->clear_pending_exception(); // Pending exceptions are checked in the destructor

    64 }

    67 CautiouslyPreserveExceptionMark::~CautiouslyPreserveExceptionMark() {

    68   assert(!_thread->has_pending_exception(), "unexpected exception generated");

    69   if (_thread->has_pending_exception()) {

    70     _thread->clear_pending_exception();

    71   }

    72   if (_preserved_exception_oop() != NULL) {

    73     _thread->set_pending_exception(_preserved_exception_oop(), _preserved_exception_file, _preserved_exception_line);

    74   }

    75 }

    78 void WeakPreserveExceptionMark::preserve() {

    79   _preserved_exception_oop = Handle(_thread, _thread->pending_exception());

    80   _preserved_exception_line = _thread->exception_line();

    81   _preserved_exception_file = _thread->exception_file();

    82   _thread->clear_pending_exception();

    83 }

    85 void WeakPreserveExceptionMark::restore() {

    86   if (!_thread->has_pending_exception()) {

    87     _thread->set_pending_exception(_preserved_exception_oop(), _preserved_exception_file, _preserved_exception_line);

    88   }

    89 }

Mercurial > jdk8-mips64-public > hotspot / file revision