dyorgio.runtime.cpu.watcher.PosixProcessWatcher Maven / Gradle / Ivy

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A Java Library/App to limit another process CPU usage.

There is a newer version: 1.3.1

/** *****************************************************************************
 * Copyright 2020 See AUTHORS file.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ***************************************************************************** */
package dyorgio.runtime.cpu.watcher;

import org.hyperic.sigar.SigarException;

/**
 *
 * @author dyorgio
 */
public class PosixProcessWatcher extends AbstractProcessWatcher {

    public PosixProcessWatcher(long pid) {
        super(pid);
    }

    @Override
    protected void suspendImpl() {
        try {
            SigarUtil.getSigar().kill(pid, "SIGSTOP");
        } catch (SigarException ex) {
            throw new RuntimeException(ex);
        }
    }

    @Override
    protected void resumeImpl() {
        try {
            SigarUtil.getSigar().kill(pid, "SIGCONT");
        } catch (SigarException ex) {
            throw new RuntimeException(ex);
        }
    }
}