On Thu, Aug 24, 2023 at 06:53:27AM -0600, Todd C. Miller wrote: > On Wed, 23 Aug 2023 18:23:40 -0700, Andrew Hewus Fresh wrote: > > > I would have to see an example of doing that between ksh and perl. > > Standard output should already be a pipe in the perl process by > virtue of running as a co-process. In theory you should be able > to poll on it checking for POLLHUP. Since our pipes are actually > bidiretional we can cheat and use select. Something like this:
I hadn't considered waiting for STDOUT to be readable, that makes total sense. Thanks. I'll probably wait to commit these fw_update fixes until I'm back on Wednesday for a long weekend away from computers.
