1 /*
2 * Copyright (c) 1998, 2006, 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 // This file provides more support for exception handling; see also exceptions.hpp
26 class PreserveExceptionMark {
27 private:
28 Thread* _thread;
29 Handle _preserved_exception_oop;
30 int _preserved_exception_line;
31 const char* _preserved_exception_file;
32
33 public:
34 PreserveExceptionMark(Thread*& thread);
35 ~PreserveExceptionMark();
36 };
37
38
39 // This is a clone of PreserveExceptionMark which asserts instead
40 // of failing when what it wraps generates a pending exception.
41 // It also addresses bug 6431341.
42 class CautiouslyPreserveExceptionMark {
43 private:
44 Thread* _thread;
66 void restore();
67
68 public:
69 WeakPreserveExceptionMark(Thread* pThread) : _thread(pThread), _preserved_exception_oop() {
70 if (pThread->has_pending_exception()) {
71 preserve();
72 }
73 }
74 ~WeakPreserveExceptionMark() {
75 if (_preserved_exception_oop.not_null()) {
76 restore();
77 }
78 }
79 };
80
81
82
83 // use global exception mark when allowing pending exception to be set and
84 // saving and restoring them
85 #define PRESERVE_EXCEPTION_MARK Thread* THREAD; PreserveExceptionMark __em(THREAD);
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1 /*
2 * Copyright (c) 1998, 2010, 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_UTILITIES_PRESERVEEXCEPTION_HPP
26 #define SHARE_VM_UTILITIES_PRESERVEEXCEPTION_HPP
27
28 #include "runtime/handles.hpp"
29 #ifdef TARGET_OS_FAMILY_linux
30 # include "thread_linux.inline.hpp"
31 #endif
32 #ifdef TARGET_OS_FAMILY_solaris
33 # include "thread_solaris.inline.hpp"
34 #endif
35 #ifdef TARGET_OS_FAMILY_windows
36 # include "thread_windows.inline.hpp"
37 #endif
38
39 // This file provides more support for exception handling; see also exceptions.hpp
40 class PreserveExceptionMark {
41 private:
42 Thread* _thread;
43 Handle _preserved_exception_oop;
44 int _preserved_exception_line;
45 const char* _preserved_exception_file;
46
47 public:
48 PreserveExceptionMark(Thread*& thread);
49 ~PreserveExceptionMark();
50 };
51
52
53 // This is a clone of PreserveExceptionMark which asserts instead
54 // of failing when what it wraps generates a pending exception.
55 // It also addresses bug 6431341.
56 class CautiouslyPreserveExceptionMark {
57 private:
58 Thread* _thread;
80 void restore();
81
82 public:
83 WeakPreserveExceptionMark(Thread* pThread) : _thread(pThread), _preserved_exception_oop() {
84 if (pThread->has_pending_exception()) {
85 preserve();
86 }
87 }
88 ~WeakPreserveExceptionMark() {
89 if (_preserved_exception_oop.not_null()) {
90 restore();
91 }
92 }
93 };
94
95
96
97 // use global exception mark when allowing pending exception to be set and
98 // saving and restoring them
99 #define PRESERVE_EXCEPTION_MARK Thread* THREAD; PreserveExceptionMark __em(THREAD);
100
101 #endif // SHARE_VM_UTILITIES_PRESERVEEXCEPTION_HPP
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