java设置进程名称

import java.io.IOException;

public class SetProcessName {
    public static void main(String[] args) {
        try {
            // 创建一个新的ProcessBuilder实例
            ProcessBuilder pb = new ProcessBuilder("java", "-jar", "myapp.jar");

            // 设置进程名称（仅适用于某些操作系统）
            if (System.getProperty("os.name").toLowerCase().contains("linux")) {
                pb.command().add(0, "myapp"); // 在Linux上设置进程名称
            }

            // 启动进程
            Process process = pb.start();

            // 输出进程ID和名称（仅用于验证）
            System.out.println("Process ID: " + process.pid());
            System.out.println("Process Name: " + getProcessName(process.pid()));
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    // 获取进程名称（仅适用于Linux）
    private static String getProcessName(long pid) {
        try {
            Process process = Runtime.getRuntime().exec("ps -p " + pid + " -o comm=");
            process.waitFor();
            return new String(process.getInputStream().readAllBytes()).trim();
        } catch (IOException | InterruptedException e) {
            e.printStackTrace();
            return "Unknown";
        }
    }
}

import java.io.IOException;

public class SetProcessName {
    public static void main(String[] args) {
        try {
            ProcessBuilder pb = new ProcessBuilder("java", "-jar", "myapp.jar");

            if (System.getProperty("os.name").toLowerCase().contains("linux")) {
                pb.command().add(0, "myapp");
                Process process = pb.start();
                setProcessName(process.pid(), "myapp");
            } else {
                Process process = pb.start();
            }

            System.out.println("Process ID: " + process.pid());
            System.out.println("Process Name: " + getProcessName(process.pid()));
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    private static void setProcessName(long pid, String name) {
        try {
            Process process = Runtime.getRuntime().exec("prctl --set-name " + name);
            process.waitFor();
        } catch (IOException | InterruptedException e) {
            e.printStackTrace();
        }
    }

    private static String getProcessName(long pid) {
        try {
            Process process = Runtime.getRuntime().exec("ps -p " + pid + " -o comm=");
            process.waitFor();
            return new String(process.getInputStream().readAllBytes()).trim();
        } catch (IOException | InterruptedException e) {
            e.printStackTrace();
            return "Unknown";
        }
    }
}