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Re: Re: Can't exec from a Cocoa app?
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Re: Re: Can't exec from a Cocoa app?


  • Subject: Re: Re: Can't exec from a Cocoa app?
  • From: "Tom Harrington" <email@hidden>
  • Date: Wed, 23 Aug 2006 17:47:38 -0600

On 8/23/06, Andrew Farmer <email@hidden> wrote:
On 23 Aug 06, at 15:46, Tom Harrington wrote:
> I have an app which at some point wants to call execle().  However the
> call fails, returning -1 with errno set to ENOTSUP, "Operation not
> supported"...if I copy and paste the execle() call into
> a plain old C command-line app (a basic sanity check done since "man
> execle" doesn't even allow that ENOTSUP can happen), it works exactly
> as I'd expect.

That shouldn't happen. What does the call look like?

execle("/Users/Shared/builds/Debug/Foo.app/Contents/MacOS/Foo", "/Users/Shared/builds/Debug/Foo.app/Contents/MacOS/Foo", NULL, NULL);

Obviously I wouldn't hard-code the paths for release, but I'm at
sanity-check-level testing at this point so I wanted to keep it nice
and simple.

> So... something about running as a Cocoa app makes
> this not work?  Is there something extra I need to do to make it work
> from my Cocoa app?

There shouldn't be. The one thing worth considering is that a Cocoa
program's working directory and $PATH may not be what you expect them
to be - cwd is usually / and $PATH is something really minimal.

Yeah, however I'm not relying on PATH, so that shouldn't matter.

--
Tom Harrington
email@hidden
AIM: atomicbird1
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References: 
 >Can't exec from a Cocoa app? (From: "Tom Harrington" <email@hidden>)
 >Re: Can't exec from a Cocoa app? (From: Andrew Farmer <email@hidden>)

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