iOS多线程开发小demo

//  DYFViewController.m
//  623-01-阻塞多线程
//
//  Created by dyf on 14-6-23.
//  Copyright (c) 2014年 ___FULLUSERNAME___. All rights reserved.
//

#import "DYFViewController.h"

@interface DYFViewController ()

@end

@implementation DYFViewController
- (IBAction)btnOnClick {
    // 1.获取当前的线程
    NSThread *thread = [NSThread currentThread];
    
    // 2.打印线程
    NSLog(@"%@", thread);
    
    // 3.执行一线耗时的操作
    for (int i = 0; i < 9999; i++) {
        NSLog(@"%@", thread);
        // 此时点击按钮，在执行完耗时操作之前，按钮一直是高亮状态，期间用户点击其他的UI控件也不好响应
    }
}

- (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.
}

@end

//  DYFViewController.m
//  623-02-pthread
//
//  Created by dyf on 14-6-23.
//  Copyright (c) 2014年 ___FULLUSERNAME___. All rights reserved.
//

#import "DYFViewController.h"
#import <pthread.h>

@interface DYFViewController ()

@end

@implementation DYFViewController

// c语言函数
void *run(void *data)
{
    // 1.获取当前的线程
    NSThread *cThread = [NSThread currentThread];
    
    // 2.打印线程
    NSLog(@"%@", cThread);
    
    // 3.h耗时操作
    for (int i = 0; i < 9999; i++) {
        NSLog(@"%@", cThread);
    }

    return NULL;
}

- (IBAction)btnOnClick {
    // 1.获取当前的线程
    NSThread *thread = [NSThread currentThread];
    
    // 2.打印线程
    NSLog(@"%@", thread);
    
    // 3.执行一线耗时的操作 ： 创建一套子线程
    
    pthread_t threadId;
    pthread_create(&threadId, NULL, *run, NULL);
   
}


@end