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    <p>iPhone Development:</p> <p>I want to have an infinite loop constantly checking an NSMutableArray and if [size > 0] pull the first object, do something with it, remove it, wait .25 seconds, then continue checking.</p> <p>I want my GUI buttons to add this list. Is there a way to do this? Is there a way to do this by having the loop in the main thread?</p> <p><strong>UPDATE</strong> I guess i didn't ask the question properly. I'm using the AsyncSocket class to send telnet commands. I need to send them fast because their used to control a RC car, however the RC receiver is a tad slow. So i want to slow downs the rate in which my iPhone sends out the commands. Right now i have button events sending out the commands but i want to instead have the events add the command to a list/queue/array. In parralel to the button clicks I want a process to check the queue every .25 seconds and send out the commands in the queue.</p> <p><strong>MY PROBLEM:</strong></p> <p>the AsyncSocket isn't thread safe so I cannot have another thread sending commands. The documentation reads </p> <blockquote> <p>If you find yourself on a thread which is different from the thread on which AsyncSocket is running, and you need to invoke a method on AsyncSocket, then you must use a method like performSelector:onThread: to ensure the method is invoked on AsyncSocket's thread (and thereby maintaining thread-safety)."</p> </blockquote> <p>I dont know what this means...</p> <ol> <li>What does this quote above mean?</li> <li>Is multithreading required for what i want to do?</li> </ol>
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