【解決方法】同じアプリケーションの別のインスタンスが実行されているかどうかを識別するために、グローバル ミューテックスを作成します。これは、プロセス間通信として必要です。

Create a global mutex, this will help us to identify if another instance of the same application is running, this is needed as its inter process communication. 3. Start a thread which runs continuously with a sleep of 1 sec and write "Worker thread running" onto the console. The while will be running on flag. 4. After starting the thread wait on a global event. 5. If global event is acquired, which means another instance as set this event. Set the flag at Step 3 so that the worker thread exists. 6. When passed command line is "stop" then open the event in Step 4 and set the event.

Requirement 1:

Create a C++ console application which takes the below command line argument,

    \action: "start"

Once the start command line is passed, just run the while loop with a delay of 1 sec and write some console on each interval

Example:

    while() {
    
        sleep(1000);        

    }
Requirement 2:

The same application while running should be capable to receive command line arguments like the below,

    \action: "stop"
    
When this command line,  should break the above while loop, write the console log and exit.is sent

私が試したこと：

I'm not well trained in C++ programming, but as a part of a company's recruitment process, I was asked to complete this task in C++, I understand how to use a mutex to prevent additional instances loading, but that doesn't quite solve my problem. I tried finding solutions but I was too much of a beginner to understand these mutex concepts, I'm having a deadline fast approaching, if anyone can solve it out, It will be very useful for me!