On Jan 17, 2013, at 1:56 , Charles Srstka <cocoa...@charlessoft.com> wrote:
> On Jan 17, 2013, at 3:40 AM, Rick Mann <rm...@latencyzero.com> wrote: > >> I've got a situation where I have a complicated process that periodically >> pulls some bytes out of an NSMutableData. Eventually, it gets to the end of >> the NSMutableData. At that point, I need the process to block while it waits >> for a separate process (thread) to give it more data. What I need is a >> semaphored queue for a producer-consumer type of relationship. >> >> I don't think there's any way to pull this off using GCD, is there? I can't >> change the complex process to work in discrete chunks. It needs to chug >> through the data until it reaches a stopping point, and that might require >> several waits on more data. > > Could NSInputStream and NSOutputStream possibly provide what you need? Hmm, good idea, but it looks like they don't provide blocking reads, which is basically what I need. They're callback-based. -- Rick _______________________________________________ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
