1 /*
2 * Copyright (c) 2011, 2019, 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 *
139 DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_vm(jt));
140 ResourceMark rm(jt);
141 const char* const canonical_chunk_path = JfrJavaSupport::c_str(path, jt);
142 if (NULL == canonical_chunk_path && !_chunkwriter->is_valid()) {
143 // new output is NULL and current output is NULL
144 return;
145 }
146 instance().set_chunk_path(canonical_chunk_path);
147 notify_on_new_chunk_path();
148 }
149
150 void JfrRepository::set_path(jstring location, JavaThread* jt) {
151 DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_vm(jt));
152 ResourceMark rm(jt);
153 const char* const path = JfrJavaSupport::c_str(location, jt);
154 if (path != NULL) {
155 instance().set_path(path);
156 }
157 }
158
159 bool JfrRepository::open_chunk(bool vm_error /* false */) {
160 if (vm_error) {
161 ResourceMark rm;
162 _chunkwriter->set_path(JfrEmergencyDump::build_dump_path(_path));
163 }
164 return _chunkwriter->open();
165 }
166
167 size_t JfrRepository::close_chunk() {
168 return _chunkwriter->close();
169 }
170
171 void JfrRepository::flush(JavaThread* jt) {
172 DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_vm(jt));
173 if (!Jfr::is_recording()) {
174 return;
175 }
176 if (!_chunkwriter->is_valid()) {
177 return;
178 }
179 instance()._post_box.post(MSG_FLUSHPOINT);
180 }
181
182 size_t JfrRepository::flush_chunk() {
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1 /*
2 * Copyright (c) 2011, 2020, 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 *
139 DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_vm(jt));
140 ResourceMark rm(jt);
141 const char* const canonical_chunk_path = JfrJavaSupport::c_str(path, jt);
142 if (NULL == canonical_chunk_path && !_chunkwriter->is_valid()) {
143 // new output is NULL and current output is NULL
144 return;
145 }
146 instance().set_chunk_path(canonical_chunk_path);
147 notify_on_new_chunk_path();
148 }
149
150 void JfrRepository::set_path(jstring location, JavaThread* jt) {
151 DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_vm(jt));
152 ResourceMark rm(jt);
153 const char* const path = JfrJavaSupport::c_str(location, jt);
154 if (path != NULL) {
155 instance().set_path(path);
156 }
157 }
158
159 const char* JfrRepository::path() {
160 return instance()._path;
161 }
162
163 bool JfrRepository::open_chunk(bool vm_error /* false */) {
164 if (vm_error) {
165 char chunk_path[JVM_MAXPATHLEN];
166 JfrEmergencyDump::build_dump_path(_path, chunk_path, JVM_MAXPATHLEN);
167 _chunkwriter->set_path(chunk_path);
168 }
169 return _chunkwriter->open();
170 }
171
172 size_t JfrRepository::close_chunk() {
173 return _chunkwriter->close();
174 }
175
176 void JfrRepository::flush(JavaThread* jt) {
177 DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_vm(jt));
178 if (!Jfr::is_recording()) {
179 return;
180 }
181 if (!_chunkwriter->is_valid()) {
182 return;
183 }
184 instance()._post_box.post(MSG_FLUSHPOINT);
185 }
186
187 size_t JfrRepository::flush_chunk() {
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