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MachXPC

launchd_get_out_of_my_way=0x1

This is a framework to help establish an NSXPCConnection between two (or more) processes WITHOUT the need for a 3rd process to "broker" the NSXPCEndpoints. An example of the issue is demonstrated in OpenEmuXPCCommunicator where another process is invoked and then registered with launchd via launchctl with a plist. With the MachXPC framework, you can greatly simplify and streamline the connection and distribution process.

MachXPC uses the host/service paradigm the same way NSXPCConnection does. General process is

  • Register a host
  • Background/secondary processes connect to the host

Register a Host:

MachXPCHost *host = [[MachXPCHost alloc] initWithName:@"my.host.identifier" connectionHandler:^(NSString *serviceIdentifier, NSXPCListenerEndpoint *listener) {
 
  // Handle incoming connections here
 
}];
    
[host resume];

Register a Service:

[MachXPCService registerObject:service
                withIdentifier:@"my.service.identifier"
                       forHost:@"my.host.identifier"
             completionHandler:^(BOOL success) { NSLog(@"Success? %d", success); }];

Example

A full example/demo project is included in the project