On 16 Sep 2013, at 00:26, Jeff Johnson <publicpost...@lapcatsoftware.com> wrote:

> You need to use the option NSNotificationPostToAllSessions.

Jeff, you are absolutely right. Now everything works as it should.
Thank you very much!

Kind regards,

Gerriet.

> 
> 
> On Sep 15, 2013, at 12:15 PM, Gerriet M. Denkmann <gerr...@mdenkmann.de> 
> wrote:
> 
>> I have a Helper Tool, running as root, started via SMJobBless and 
>> communicating vie Xpc.
>> 
>> Sometimes it does:
>> 
>> [[NSOperationQueue mainQueue] addOperationWithBlock:^
>>      {
>>              NSDistributedNotificationCenter *d = [ 
>> NSDistributedNotificationCenter defaultCenter ];
>>              NSLog(@"%s will postNotificationName on %@",__FUNCTION__,d);    
>>              //      prints: <CFNotificationCenter 0x7f9f....
>>              NSDictionary *notificationInfo = ....
>>              [ d             postNotificationName:   @"some notification" 
>>                              object:                                         
>> @"some name" 
>>                              userInfo:                               
>> notificationInfo 
>>              ];
>>      }
>> ];
>> 
>> But now one ever receives this.
>> 
>> This used to work before I switched to SMJobBless and Xpc.
>> 
>> Why is this not working anymore?
>> 
>> Gerriet.
>> 
>> P.S. I did not see anything in the documentation indicating that the 
>> NSDistributedNotificationCenter does only work on the main thread.
>> This is just some blind groping in the dark.
> 


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