How Can I Forcefully Terminate Threads in C 11?

Terminating Threads Forcefully in C 11

While the standard C 11 library does not provide a direct way to terminate a thread forcefully, there are certain techniques that can be employed to achieve this.

One approach is to call std::terminate() from any thread, which will abruptly end all threads in the program. This method ensures forceful termination but can lead to unexpected behavior and data loss.

Another option is to call ~thread() on the target thread's object without joining or detaching it. This is functionally equivalent to calling std::terminate(), terminating all threads.

Finally, a custom exception with a destructor that throws an exception can be used. The target thread can be designed to throw this exception when forceful termination is required. However, this solution is partially cooperative as it relies on the target thread's willingness to throw the exception.

It's important to note that forcibly terminating threads can result in resource leaks and other undesirable outcomes. Additionally, there is no portable method in C 11 to non-cooperatively terminate a single thread in a multithreaded program.

Some platforms, such as Apple's OS, may provide OS-dependent functions that can be used to forcibly terminate threads. However, this approach can also lead to resource leaks and is not recommended as a general solution.

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