cancellationToken doesn't work with createNoWindow! about simple-exec HOT 3 CLOSED

@gokanil I added a test for this and it succeeds — https://github.com/adamralph/simple-exec/pull/581/files

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@gokanil I've merged the test and, on that basis, I'm closing this.

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@gokanil to double check, I ran a test on a Windows machine, and I figured out the problem. It is unrelated to createNoWindow. The problem is that when you run CMD and then provide the name of some other executable, a process is created for CMD, and then a child process is creating for the executable. When you cancel the token, the parent process for CMD is killed, but the child process for the executable is left running. This is expected behaviour, because in .NET 7 and earlier there was no way to kill a child process using System.Diagnostics. In .NET 8 however, it is possible, and an issue has already been raised to take advantage of that in SimpleExec.

If you want to know when a version of SimpleExec will available that exhibits the behaviour you require, then I suggest you watch #541.

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