Re: Ending NSTask doesn't release file handle opened by the task it wraps.
Re: Ending NSTask doesn't release file handle opened by the task it wraps.
- Subject: Re: Ending NSTask doesn't release file handle opened by the task it wraps.
- From: Uli Kusterer <email@hidden>
- Date: Fri, 22 Jul 2016 01:22:01 +0200
On 21 Jul 2016, at 17:20, Graham Cox <email@hidden> wrote:
> One of my apps uses NSTask to wrap a command line utility that is embedded in the same app’s resources. This utility writes files to disk - I have no knowledge of which APIs it uses to do this. If the task has ended (and I can see that the actual instance of the running command line tool has disappeared from my process tasks in Activity Monitor), and I send the file to the trash, I can’t delete it (empty trash) until the app as a whole is quit - I get the message that the file is still in use.
>
> I’ve checked that I’m closing down the NSTask properly, as far as I can see.
>
> Is this the expected behaviour?
Are you reading all the data from the task (i.e. its standardOutput, not the file) before you close it? AFAIR that's a prerequisite for it to properly close.
Cheers,
-- Uli Kusterer
"The Witnesses of TeachText are everywhere..."
http://stacksmith.org
_______________________________________________
Cocoa-dev mailing list (email@hidden)
Please do not post admin requests or moderator comments to the list.
Contact the moderators at cocoa-dev-admins(at)lists.apple.com
Help/Unsubscribe/Update your Subscription:
This email sent to email@hidden