Do something like:
CFMessagePortRef identityPort = CFMessagePortCreateLocal(NULL, CFSTR("
com.mycompany.myapplication.unique"), NULL, NULL, NULL);
if(identityPort == NULL) {
printf(stderr, "Application is already launched\n");
exit(1);
} // else keep this port around, it will be destroyed once the application
exits
--
Julien
On Tue, Mar 4, 2008 at 9:27 AM, ADIL SALEEM <[EMAIL PROTECTED]> wrote:
> Hi,
>
> I have made an application in Cocoa. From GUI it's multiple instances can
> not be launched. However, from command shell, multiple instances of the
> application can be launched.
>
> I want to run only one instance of my application at a time. It should
> not be able to create multiple instances even from the command prompt.
>
> Please guide me how can i achieve that ? Thanx in advance.
>
> ADIL
>
>
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