IOSGCD multi-thread creation multithreading

Oh, try to break it down into a section of the writing. It's hard for everyone to see clearly. I have three ways to create threads here. The code is as follows

#import "ViewController.h"

@interface viewcontroller ()

@end

@implementation Viewcontroller

-(void) viewdidload {

[superviewdidload];

}

When the user taps the screen, the thread executes

-(void) Touchesbegan: ( Nsset *) touches withevent: (uievent *) Event

{

[self testthread];

}

-(void) testthread

{

// fetch to the current thread , Here is the main path

nsthread *curthread = [nsthreadcurrentthread ];

NSLog(@ "curthread =%@", curthread);

//    // method to fetch the main thread

Nsthread *mainthread = [Nsthread mainthread];

NSLog (@ "mainthread =%@", mainthread);

//

[selfcreateThread1];

}

-(void) createThread1

{

// a nsthread object is a thread

// parameter 1,2: specified in thread by parameter 1 method of calling parameter 2

// parameter 3: pass an argument to the method specified by parameter 2

nsthread *thread = [[nsthreadalloc] Initwithtarget:selfselector:@selector( ThreadMain:)object:@ " thread creation mode 1"];

[Thread setName:@ " My name is two eggs "];

[Thread start];

}

-(void) createThread2

{

[nsthreaddetachnewthreadselector:@selector (threadmain:)totarget:selfwithobject: @ " thread creation mode 2"];

}

-(void) createThread3

{

[selfperformselectorinbackground:@selector (threadmain:)withobject:@ " thread creation mode 3"];

}

-(void) ThreadMain: ( ID ) obj

{

for (int i =0; i<; i+ +) {

NSLog(@ "i =%d,obj =%@,thread =%@", i,obj,[nsthread currentthread]);

}

}

Of course, we still need to use more, like eating, eat more can be picky, continue the next article, this evening 3 more. Ha ha

IOSGCD multi-thread creation multithreading