I have considered moving threads->detach() on a separate line before I made my original post though, but moving detach on to another line is not doing what you think it's doing. The following codes are not equivalent:
threads->create(\&create_threads, "param")->detach();
and
threads->create(\&create_threads, "param");
threads->detach();
In the first example,
detach() is performed on the object returned by
threads->create(), which detaches the thread created. Moving
detach() on a separate line does not detach the thread at all, calling
threads->detach() separately has no effect on the thread you just created.
The proof? Well, there is a
threads->list() function that lists all non-joined, non-detached threads. Add
threads->list() after
threads->detach() showed that the created thread did not get detached at all.
I agree there is definitely a bug with
detach() on out of scope object, but moving
detach() on a separate line is not a fix. You must call
$thread_created->detach() to truly detach the thread.
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