com.epam.deltix.util.io.waitstrat.InterprocessLock Maven / Gradle / Ivy
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/*
* Copyright 2023 EPAM Systems, Inc
*
* See the NOTICE file distributed with this work for additional information
* regarding copyright ownership. 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 com.epam.deltix.util.io.waitstrat;
import com.epam.deltix.util.lang.Disposable;
/**
*
*/
public class InterprocessLock implements Disposable {
// static {
// System.load(Home.getFile("bin").getAbsolutePath() +
// "/interproc" +
// System.getProperty("os.arch") + ".dll");
// }
private long handle;
/**
* Named system event.
* Create or open system event.
* @param name - name of event.
*/
public InterprocessLock(String name) {
handle = init0(name, true);
}
/**
* Wait for 'set' state.
* Than event auto-resets.
*/
public void waitFor() {
wait0(handle);
}
public void signal() {
set0(handle);
}
public void close() {
close0(handle);
}
private native long init0(String name, boolean autoreset);
private native boolean wait0(long handle);
private native boolean set0(long handle);
private native boolean reset0(long handle);
private native void close0(long handle);
}