My app uses a tableView with a data source that can be updated asynchronously by multiple threads. When the data source is changed, the tableView is u ...
My app uses a tableView with a data source that can be updated asynchronously by multiple threads. When the data source is changed, the tableView is u ...
I’ve not had much experience with semaphores, nor with blocks. I’ve seen various suggestions for how to turn an asynchronous call into a synchronous o ...
They both use a counter and use a lock to protect the increment and decrement of the counter, and when the counter is less than zero, the thread waits ...
method1: method2: If Thread 1 is in method1, by executing [_condition waitUtilDate ...]; it unlocks its lock. Thread 2 entered this area and al ...
I am using Objective-C and was trying to work with threads which need to talk to each other. The code is as follows: I run func1 and func2 on two ...
From this Apple's document about NSCondition, the usage of NSCondition should be: Thead 1: Thread 2: And in the document of method signal in NS ...
I am doing a little heavy core data insertion work (say A) just after login on a private context (to avoid main thread blockade). Before this gets com ...
Here's pseudo code of what I have in a method: The issue is that I get an "unlocked when not locked" warning from iOS (see above) when first event ...
I have a unit test in which I need to wait for an async task to finish. I am trying to use NSConditionLock as it seems to be a pretty clean solution b ...
In my main starting thread I need to pause the code and start a new thread and wait until I get user input. Then Id like to discard the new thread mad ...
I am downloading four plist files asynchronously over the internet. I need to wait until all four files are downloaded, until I either on the first ru ...
Sorry to bother with yet another NSURLConnection question, adding to the over one thousand already here. The scenario is as follows. In an iPhone app ...
There is a MFI device that is connected to iPhone 4S (6.0 GM) or to iPad (6.0 GM) via Bluetooth (2.1 + EDR). The project was built on Xcode 4.5 GM. Wh ...
i know that the following is how you are supposed to use NSCondition: method 1: method 2: all i want is to use a simple lock that can be locked ...
I'm writing an ssh wrapper in objective-c, I'm trying to implement a maxTime a command should take to execute. The way I implement it is: Main Thread ...
I have an nsthread, a while loop within this one. It's getting objects from a "thread-safe" queue in the main method. When I leave the UIViewControlle ...
I am working on creating a blocking queue, accessed by about 10 worker threads simultaneously. The basic implementation of the queue is like this: ...