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0b2ee09378
I noticed a comment saying that the intent of a code's author was unclear. What happened is that the author forgot to put the check for whether the thread is the calling thread (`self.getHandle() == std.c.pthread_self()`) in the `if (use_pthreads)`. If the thread is the calling thread, we use `prctl` to set or get the thread's name and it does not take a thread id because it knows the id of the thread we're calling `getName` or `setName` from. I have found a source saying that using `pthread_setname_np` on either the calling thread or any other thread by thread id would work too (so we don't need to call `prctl`) but I was not sure if that is the case on all systems so we keep using `pthread_setname_np` if we have a specific thread that is not the thread we're calling from, and `prctl` otherwise.