Re: NSTask arguments
Re: NSTask arguments
- Subject: Re: NSTask arguments
- From: Kyle Sluder <email@hidden>
- Date: Wed, 20 Feb 2013 20:31:54 -0800
On Feb 20, 2013, at 8:30 PM, Jens Alfke <email@hidden> wrote:
>
> On Feb 20, 2013, at 8:22 PM, Kyle Sluder <email@hidden> wrote:
>
>> You can accomplish this without writing to the file system, but it
>> involves foregoing NSTask. Fork, close stdin in the child process, open
>> a pipe (so that the child gets the read end in fd 0), then exec the tool
>> with "/dev/stdin" as the filename argument.
>
> D’ohh! I’d forgotten about /dev/stdin. But why does this require abandoning NSTask? Its API supports redirecting input/output. Just call -[NSTask setStandardInput:].
Because you can't use CF (and by extension, Foundation) after calling fork.
--Kyle Sluder
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