> No, the behavior is not correct, because changing /etc/localtime is an asynchronous operation Well, technically you can do both from the same process (i.e. l

> No, the behavior is not correct, because changing /etc/localtime is an asynchronous operation Well, technically you can do both from the same process (i.e. localtime(), unlink() + symlink() to change /etc/localtime, another localtime()), in that case it would be synchronous. But in general i agree, if the timeout was small enough (say < 100 ms) i guess nobody would object.