1 /*
2 * Copyright (c) 2002, 2013, 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_GC_INTERFACE_GCCAUSE_HPP
26 #define SHARE_VM_GC_INTERFACE_GCCAUSE_HPP
27
28 #include "memory/allocation.hpp"
29
30 //
31 // This class exposes implementation details of the various
32 // collector(s), and we need to be very careful with it. If
33 // use of this class grows, we should split it into public
34 // and implementation-private "causes".
35 //
36
37 class GCCause : public AllStatic {
38 public:
39 enum Cause {
40 /* public */
41 _java_lang_system_gc,
42 _full_gc_alot,
43 _scavenge_alot,
44 _allocation_profiler,
45 _jvmti_force_gc,
46 _gc_locker,
108 } else {
109 _position = jio_snprintf(_buffer, _length, "%s ", prefix);
110 }
111 assert(_position >= 0 && _position <= _length,
112 err_msg("Need to increase the buffer size in GCCauseString? %d", _position));
113 }
114
115 GCCauseString& append(const char* str) {
116 int res = jio_snprintf(_buffer + _position, _length - _position, "%s", str);
117 _position += res;
118 assert(res >= 0 && _position <= _length,
119 err_msg("Need to increase the buffer size in GCCauseString? %d", res));
120 return *this;
121 }
122
123 operator const char*() {
124 return _buffer;
125 }
126 };
127
128 #endif // SHARE_VM_GC_INTERFACE_GCCAUSE_HPP
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1 /*
2 * Copyright (c) 2002, 2015, 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_GC_SHARED_GCCAUSE_HPP
26 #define SHARE_VM_GC_SHARED_GCCAUSE_HPP
27
28 #include "memory/allocation.hpp"
29
30 //
31 // This class exposes implementation details of the various
32 // collector(s), and we need to be very careful with it. If
33 // use of this class grows, we should split it into public
34 // and implementation-private "causes".
35 //
36
37 class GCCause : public AllStatic {
38 public:
39 enum Cause {
40 /* public */
41 _java_lang_system_gc,
42 _full_gc_alot,
43 _scavenge_alot,
44 _allocation_profiler,
45 _jvmti_force_gc,
46 _gc_locker,
108 } else {
109 _position = jio_snprintf(_buffer, _length, "%s ", prefix);
110 }
111 assert(_position >= 0 && _position <= _length,
112 err_msg("Need to increase the buffer size in GCCauseString? %d", _position));
113 }
114
115 GCCauseString& append(const char* str) {
116 int res = jio_snprintf(_buffer + _position, _length - _position, "%s", str);
117 _position += res;
118 assert(res >= 0 && _position <= _length,
119 err_msg("Need to increase the buffer size in GCCauseString? %d", res));
120 return *this;
121 }
122
123 operator const char*() {
124 return _buffer;
125 }
126 };
127
128 #endif // SHARE_VM_GC_SHARED_GCCAUSE_HPP
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