IOS 多线程-pthread

#import <pthread.h>

@interface HMViewController ()
- (IBAction)btnClick;

@end

@implementation HMViewController

- (void)viewDidLoad
{
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
}

- (void)didReceiveMemoryWarning
{
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

void *run(void *data) {

    NSThread *current = [NSThread currentThread];

    for (int i = ; i<; i++) {
        NSLog(@"run---%@", current);
    }

    return NULL;
}

- (IBAction)btnClick {
    // 1.获得当前的线程
    NSThread *current = [NSThread currentThread];
    NSLog(@"btnClick---%@", current);

    // 2.执行一些耗时操作 : 创建一条子线程
    pthread_t threadId;
    pthread_create(&threadId, NULL, run, NULL);
}
@end