On Dec 22, 2010, at 3:25 PM, Jeremy Torres wrote: > I have a working implementation using Grand Central dispatch queues that open > a file and compute an OpenSSL DSA hash, writing out the hash to a new "side > car" file for later verification. > > I would like to open multiple files at the same time, but based on some logic > that doesn't "choke" the OS by having 100s of files open and exceeding the > hard drive's sustainable output. Photo browsing applications such as iPhoto > or Aperture seem to open multiple files and display them, so I'm assuming > this can be done. > > Any suggestions?
NSOperationQueue has a -setMaxConcurrentOperationCount: method, so if you use it instead of GCD directly (NSOperationQueue still uses GCD under the hood), you can easily limit the number of operations that will run at once. Charles_______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
