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Re: NSWorkspace in a daemon
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Re: NSWorkspace in a daemon


  • Subject: Re: NSWorkspace in a daemon
  • From: Bill Garrison <email@hidden>
  • Date: Mon, 30 Nov 2009 10:25:56 -0500


On Nov 30, 2009, at 9:17 AM, Nyxouf da ouf wrote:

Hi,

I have an Obj-c program who run as a daemon, using launchd, and that look
for NSWorkspaceDidMountNotification.


*[[[NSWorkspace sharedWorkspace] notificationCenter] addObserver:self
selector:@selector(diskDidMount:) name:NSWorkspaceDidMountNotification
object:nil];*
-(void)diskDidMount:(NSNotification*)notif
{
NSLog(@"disk did mount");
}

My problem is that when the daemon is launched as root the notification
isn't catched, how can I solve this ?

This probably has something to do with Mach namespaces.

<http://developer.apple.com/mac/library/technotes/tn2005/tn2083.html#SECMACHBOOTSTRAPBASICS >

The daemon launched as root gets its own Mach namespace, separate from other user-level processes on the box. The NSWorkspaceDidMountNotification probably won't cross the Mach namespace boundary between the root-based daemon and other user-level apps that might be listening for it.

Bill
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  • Follow-Ups:
    • Re: NSWorkspace in a daemon
      • From: Jean-Daniel Dupas <email@hidden>
    • Re: NSWorkspace in a daemon
      • From: Nyxem <email@hidden>
References: 
 >NSWorkspace in a daemon (From: Nyxouf da ouf <email@hidden>)

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