Terminating a thread (which is blocking)

[Eugene Wissner via Digitalmars-d-learn]

On Thursday, 24 August 2017 at 07:23:15 UTC, Timothy Foster wrote:
> I've started a thread at the beginning of my program that waits 
> for user input:
>
> `thread = new Thread(&checkInput).start;`
>
> `static void checkInput(){
>     foreach (line; stdin.byLineCopy) { ... }
> }`
>
> I need to stop checking for user input at some point in my 
> program but I'm not sure how to kill this thread. 
> `thread.yield();` called from my main thread doesn't kill it 
> and I'm not sure how to send a message to the input checking 
> thread to get it to terminate itself when `stdin.byLineCopy` 
> just sits there and blocks until user input is received.

If you're on Linux, you can try pthread_kill.
Otherwise don't block. Define a shared boolean variable that says 
if the thread should stop. Wait for the input for some time and 
break, check the condition variable, try to read again or break 
and so on.