1 /*
2 * Copyright (c) 2018, 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 *
116 volatile int continue_running = 1;
117
118 JavaTestThread* readers[nreaders] = {};
119 for (uint i = 0; i < nreaders; ++i) {
120 readers[i] = new SingleWriterSynchronizerTestReader(&post,
121 &synchronizer,
122 &synchronized_value,
123 &continue_running);
124 readers[i]->doit();
125 }
126
127 JavaTestThread* writer =
128 new SingleWriterSynchronizerTestWriter(&post,
129 &synchronizer,
130 &synchronized_value,
131 &continue_running);
132
133 writer->doit();
134
135 tty->print_cr("Stressing synchronizer for %u ms", milliseconds_to_run);
136 {
137 ThreadInVMfromNative invm(JavaThread::current());
138 os::sleep(Thread::current(), milliseconds_to_run, true);
139 }
140 continue_running = 0;
141 for (uint i = 0; i < nreaders + 1; ++i) {
142 post.wait();
143 }
144 }
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1 /*
2 * Copyright (c) 2018, 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 *
116 volatile int continue_running = 1;
117
118 JavaTestThread* readers[nreaders] = {};
119 for (uint i = 0; i < nreaders; ++i) {
120 readers[i] = new SingleWriterSynchronizerTestReader(&post,
121 &synchronizer,
122 &synchronized_value,
123 &continue_running);
124 readers[i]->doit();
125 }
126
127 JavaTestThread* writer =
128 new SingleWriterSynchronizerTestWriter(&post,
129 &synchronizer,
130 &synchronized_value,
131 &continue_running);
132
133 writer->doit();
134
135 tty->print_cr("Stressing synchronizer for %u ms", milliseconds_to_run);
136 JavaThread* cur = JavaThread::current();
137 {
138 ThreadInVMfromNative invm(cur);
139 os::sleep(cur, milliseconds_to_run);
140 }
141 continue_running = 0;
142 for (uint i = 0; i < nreaders + 1; ++i) {
143 post.wait();
144 }
145 }
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