线程间的通讯

NSMachPort

- (void)handlePortMessage:(NSPortMessage *)message{
    NSLog(@"11");
}

-------

    
    Preson * p = [Preson new];
    _p = p;
    _port = [NSMachPort port];
    
    _port.delegate = self;
    [[NSRunLoop currentRunLoop] addPort:self.port forMode:( NSRunLoopCommonModes)];
    [NSThread  detachNewThreadSelector:@selector(tts:) toTarget:p withObject:_port];

- (void)tts:(NSPort *)port{
    _vcPort = port;
    _myPort = [NSMachPort new];
//           [[NSRunLoop currentRunLoop] addPort:_myPort forMode:( NSDefaultRunLoopMode)];
    [[NSRunLoop currentRunLoop] run];
    _myPort.delegate = self;
    [self sendPortMessage];
}
- (void)sendPortMessage{
    NSDate *data1 = [@"111" dataUsingEncoding:NSUTF8StringEncoding];
    NSDate *data2 = [@"1112222" dataUsingEncoding:NSUTF8StringEncoding];
 
    NSMutableDictionary *array = [NSMutableArray arrayWithObjects:data2,self.myPort, nil];
   BOOL isRes =  [self.vcPort sendBeforeDate:[NSDate date]
                          msgid:1111102
                     components:array
                           from:self.myPort
                       reserved:0];
    NSLog(@"%d",isRes);
}
- (void)handlePortMessage:(NSPortMessage *)message{
    NSLog(@"11");
}