多线程 线程的状态

//  Created by dyf on 14-6-23. //  Copyright (c) 2014年 ___FULLUSERNAME___. All rights reserved. //   #import "DYFViewController.h"   @interface DYFViewController () @property ( nonatomic , strong) NSThread * thread ; @end   @implementation DYFViewController   - ( void )viewDidLoad {      [ super viewDidLoad];      // Do any additional setup after loading the view, typically from a nib.            self . thread = [[ NSThread alloc] initWithTarget: self selector: @selector (test) object:@ "111" ];      self . thread .name = @ "1111111111" ; }   - ( void )test {      //      NSLog (@ "startedtest------%@" , [[ NSThread currentThread] name]);       //    // 阻塞状态2 //    NSDate *date = [NSDate dateWithTimeIntervalSinceNow:5.0]; //    [NSThread sleepUntilDate:date];       //    // 阻塞状态1 //    [NSThread sleepForTimeInterval:5.0];            for ( int i = 0; i < 999; i++) {          NSLog (@ "test-----%d------%@" , i, [[ NSThread currentThread] name]);                    if (i == 50) {              [ NSThread exit];          }      }            NSLog (@ "endedtest------%@" , [[ NSThread currentThread] name]);   }   #warning 点击2次屏幕会出现 'NSInvalidArgumentException', reason: '*** -[NSThread start]: attempt to start the thread again'，调用已经死的线程会报错 - ( void )touchesBegan:( NSSet *)touches withEvent:(UIEvent *)event {      // 开启线程      [ self . thread start]; }     @end

 小结：线程的状态大概有5种

   

转载于:https://www.cnblogs.com/Cheetah-yang/p/4664142.html

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