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In this chapter, we will discuss how to share entire XPC services with each other over a direct connection. You can find samples at Daemonology/7-NSXPCListenerEndpoint.
You’re already implemented a solution consisting of multiple daemons, services, and apps. At some point, you will want to use the functionality of one service in another. Let’s look at an example: assume that communication is required between the service of a daemon and the service of an app. See Figure 14-1.
Figure 14-1
Required
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