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Computing with Data

elgeish
118.3K views

File Locks

In Java, we will use the java.nio.channels.FileLock class to demonstrate how to use it as a mutex that protects a critical section; this time around, only a single process can be inside said critical section:

import java.lang.management.ManagementFactory;
import java.nio.channels.FileChannel;
import java.nio.channels.FileLock;
import java.nio.file.FileSystems;
import java.nio.file.Path;
import static java.nio.file.StandardOpenOption.*;
public class Main {
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
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