Re: [Discuss-gnustep] Question ...

[richard]

On Thu, 14 Sep 2000 15:39:13 -0400, stefanos@e-scape.net wrote:
> Hello ,
>
> I testing out GNUstep and I have a question concerning
> events generated from another process.
>
> Say I create a pipe and I want to read data from the
> pipe when it is available. How do I set this up so that once
> I invoke the appliaction with [theApp run] the application
> will call a function or method to poll the file descriptor to
> see if there is any data?

You don't need to poll - set up an observer for
NSFileHandleReadCompletionNotification on the handle you are reading from, and
issue a -readInBackgroundAndNotify to the handle.  When data arrives, your
notification handler will be called.