On May 15, 2010, at 9:39 AM, Paul Sanders wrote:

>> On May 15, 2010, at 9:24 AM, The Geezer wrote:
>> 
>> I wrote a cocoa application that periodically gets a posix error 24.
>> I know this means my app's number of open files has exceeded 
>> kern.maxfilesperproc, however, I can't figure out when and where I'm leaving 
>> files open. This appears to be happening after accessing several hundred web 
>> pages.
>> 
>> I would like to be able to keep track of what the system considers to be the 
>> number of files open at any given time to help debug my program. I assume it 
>> is the fields kern.openfiles and kern.maxfilesperproc that I need to access.
> 

> Use lsof from the command line.

Probably easier and more productive to use Instruments and the File Activity 
instrument.

Regards,
Ken

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