Runloop不死线程

@interface ViewController ()

@property(nonatomic,strong)NSThread *thread;

@end

@implementation ViewController

- (void)viewDidLoad {

  

    [super viewDidLoad];

    self.thread = [[NSThread alloc] initWithTarget:self selector:@selector(threadBegin1) object:nil];

    self.thread.name =@"不死线程";

    [self.thread start];

}

// 方式一

- (void)threadBegin1 {

    @autoreleasepool{ //必须的,下面两个方法也应该加上,处理一些autorelease对象

        [[NSRunLoop currentRunLoop] addPort:[NSPort port] forMode:NSDefaultRunLoopMode];

        [[NSRunLoop currentRunLoop] run];

        NSLog(@"threadBegin");//主句代码不会执行了,因为[[NSRunLoopcurrentRunLoop] run]一直在跑圈,在RunLoop内部会不断去查看该线程有没有任务要处理,若有,就让它处理一下

    }

}

// 方式二

- (void)threadBegin2{

    while (1) {

        [[NSRunLoop currentRunLoop] run];

        NSLog(@"threadBegin");//执行

    }

}

// 方式三

- (void)threadBegin3{

    [NSTimer scheduledTimerWithTimeInterval:2.0 target:self selector:@selector(test)userInfo:nil repeats:YES];

    [[NSRunLoop currentRunLoop] run];

}

// 自定义的一些任务给该线程执行

- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{

    [self performSelector:@selector(test)onThread:self.thread withObject:nil waitUntilDone:NO];

}

- (void)test

{

    NSLog(@"***********test2*******%@", [NSThread currentThread]);

    // NSLog(@"%@", [NSRunLoop currentRunLoop]);

}

@end