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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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package jdk.jfr.event.profiling;

import java.time.Duration;

import jdk.jfr.Recording;
import jdk.jfr.consumer.RecordingStream;
import jdk.jfr.internal.JVM;
import jdk.test.lib.jfr.EventNames;

/*
 * Tests that creating multiple recordings after another is possible.
 * @test
 * @requires vm.hasJFR & os.family == "linux"
 * @library /test/lib
 * @modules jdk.jfr/jdk.jfr.internal
 * @run main/timeout=480 jdk.jfr.event.profiling.TestCPUTimeSampleMultipleRecordings
 */
public class TestCPUTimeSampleMultipleRecordings {
    static volatile boolean alive = true;

    public static void main(String[] args) throws Exception {
        Thread t = new Thread(TestCPUTimeSampleMultipleRecordings::nativeMethod);
        t.start();
        for (int i = 0; i < 2; i++) {
            try (RecordingStream rs = new RecordingStream()) {
                rs.enable(EventNames.CPUTimeSample).with("throttle", "1ms");
                rs.onEvent(EventNames.CPUTimeSample, e -> {
                    rs.close();
                });

                rs.start();
            }
        }
        alive = false;
        t.join();
    }

    public static void nativeMethod() {
        while (alive) {
            JVM.getPid();
        }
    }
}
