The documentation for the interruptionHandler block of NSXPCConnection states: An interruption handler that is called if the remote process exits or crashes. However, the Daemons and Services ...

I'm using XPC in one of my apps on 10.8. It's got the standard setup with protocols defined for exported interface and the remote interface. The problem I run into is with one of my methods on the ...

How would you use a LaunchAgent inside the sandbox? I want to distribute a UI-less LaunchAgent app bundle inside my main application that I can launch on demand. The reason I want this instead of a...

I cannot find any hint in the docs regarding object lifecycle management. In the XPC service, do I have to keep a strong reference to the NSXPCListener, or does the resume call take care of this ...

I'm trying to create an XPC service, but the service doesn't seem to being created. In my service's main method, the first thing I do is make some calls to syslog so that I can see if the service e...

I'm trying to get the PID of the responsible process for an XPC process. For example, Safari has a PID of 500, and is communicating with 3 instances of com.apple.WebKit.WebContent.xpc, with PIDs o...

When an application process launches an XPC helper process, it doesn't actually do the fork()/exec() itself in the classic UNIX style. Instead, it sends a message to launchd, which does the dirty w...

I am trying to port Wine 1.7.13 to modern Cocoa. I am considering running Windows binaries in an XPC service’s process, for security isolation and crash-proofing. However, there is one problem: To ...

I was successful in creating XPC service and communicating with XPC service by sending messages from main application. But what I want to know is, whether its possible to initiate a communication f...

The Daemons and Services Programming Guides tells that it is possible to return a proxy object through an open XPC connection, even as a reply block parameter. Passing an Object By Proxy Most ...

I have a simple Cocoa image preview app. The user selects a file using an NSOpenPanel and the app generates a preview image using the Quick Look API. I'd like to move the preview generation into a...

I'm trying to figure out how to set up IPC between my custom app and a pre-made program. I'm using MacOSX Lion 10.7.2 and Xcode 4.2.1. It doesn't matter actually what program exactly, since I bel...

I'm trying to use an XPC Service for inter-process communication. I've added an XPC service target to my project, and then when I try doing a xpc_connection_send_message I get EXC_BAD_INSTRUCTION. ...