> On 16 Mar 2015, at 16:10, Daryle Walker <[email protected]> wrote:
>
> How should something like a NSURLSession be used in a command-line tool? Its
> actions take time, so a straight CLI program will end when the task is being
> started. I guess something like a run loop needs to be maintained. I need the
> results of the task to determine the return code, so I can’t just fire and
> forget.
>
Yep - run a runloop. That’s what I do in one of my command-line tools which
uses USB and has to wait around for discovery and background threads and
NSTasks and all sorts of amusing things.
main() has, very near the end,
CFRunLoopRun();
and when I’ve done all the processing I need to do, or have an error, I call
CFRunLoopStop( [ [ NSRunLoop mainRunLoop ] getCFRunLoop ];
and the main runloop then eventually exits and I clean up.
I believe I used the CFRunLoop* functions because I don’t recall the NSRunLoop
ones giving you a nice simple stop method.
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