Lock key resources in IOS threads

Source: Internet
Author: User

Create a view-based application,

Viewcontroller. hCodeAs follows:

# Import <uikit/uikit. h>

@ Interface tconditionviewcontroller: uiviewcontroller {
Int tickets;
Nsthread * T1;
Nsthread * t2;
Nscondition * TC;
}
-(Void) dosomething :( ID) tname;
@ End

 

The viewcontroller. m code is as follows:

# Import "tconditionviewcontroller. H"

@ Implementation tconditionviewcontroller
-(Void) dosomething :( ID) tname
{
Nsstring * name = (nsstring *) tname;
While (true ){
Nslog (@ "in thread % @", name );
[Nsthread sleepfortimeinterval: 1];
[TC lock];
Nslog (@ "KKKK ");
[TC unlock];
}
}
-(Void) dealloc
{
[Super dealloc];
}

-(Void) didreceivememorywarning
{
// Releases the view if it doesn't have a superview.
[Super didreceivememorywarning];

// Release any cached data, images, etc that aren't in use.
}

# Pragma mark-view Lifecycle

// Implement viewdidload to do additional setup after loading the view, typically from a nib.
-(Void) viewdidload
{
TC = [[nscondition alloc] init];
T1 = [[nsthread alloc] initwithtarget: Self selector: @ selector (dosomething :) object: @ "1"];
[T1 start];
T2 = [[nsthread alloc] initwithtarget: Self selector: @ selector (dosomething :) object: @ "2"];
[T2 start];
[Super viewdidload];
}

-(Void) viewdidunload
{
[Super viewdidunload];
// Release any retained subviews of the main view.
// E.g. Self. myoutlet = nil;
}

-(Bool) shouldautorotatetointerfaceorientation :( uiinterfaceorientation) interfaceorientation
{
// Return YES For supported orientations
Return (interfaceorientation = uiinterfaceorientationportrait );
}

@ End

 

Related Article

E-Commerce Solutions

Leverage the same tools powering the Alibaba Ecosystem

Learn more >

Apsara Conference 2019

The Rise of Data Intelligence, September 25th - 27th, Hangzhou, China

Learn more >

Alibaba Cloud Free Trial

Learn and experience the power of Alibaba Cloud with a free trial worth $300-1200 USD

Learn more >

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.