DarwinNotifyCenter

DarwinNotifyCenter

- (void)addObserver {
    CFNotificationCenterAddObserver(CFNotificationCenterGetDarwinNotifyCenter(),
                                    NULL,
                                    MyCallBack,
                                    CFSTR("MyNotificationName"),
                                    NULL,
                                    CFNotificationSuspensionBehaviorDeliverImmediately);
}

static void MyCallBack(CFNotificationCenterRef center, void *observer, CFStringRef name,const void *object, CFDictionaryRef userInfo) {
    NSLog(@"observer: %@", observer);
    NSLog(@"name: %@", name);
    NSLog(@"userinfo: %@", userInfo);
    NSLog(@"object: %@", object);
}

Post

- (void)postNotification {
    CFNotificationCenterRef notification = CFNotificationCenterGetDarwinNotifyCenter();
    CFNotificationCenterPostNotification(notification, CFSTR("MyNotificationName"), NULL, NULL, YES);
}