On Mon, Aug 20, 2018 at 12:26 AM, Clint Hepner <clint.hep...@gmail.com> wrote: > >> On Aug 19, 2018, at 10:25 AM, konsolebox <konsole...@gmail.com> wrote: >> >> Hi Chet, >> >> The sleep command is often used in loops and using the external sleep >> is expensive. > > Expensive is relative, as the time spent actually sleeping probably dwarfs > the startup time.
Forking is expensive, and collectively is hugely expensive. The external sleep is also yet another child process to manage. > If not, you probably want to find an alternative to polling anyway. Sure, that would be for another solution. Meanwhile I have a patch which adds about 10 lines of significant runtime code to offer. -- konsolebox
