Re: [Help-smalltalk] Exception in the socket code

[Paolo Bonzini]

On 03/25/2011 01:00 PM, Holger Hans Peter Freyther wrote:
> Hi Paolo,
>
> from time to time I get the below exception. I fail to properly reproduce it
> with a standalone test case though.
>
> FileDescriptor)>>nextAvailable:into:startingAt:
> ...
>          self isOpen ifFalse: [^available].
>
> ^^^ just checks if the fd is>= 0
>
>          count := self
>                      fileOp: 3
>                      with: aCollection
>                      with: position + available
>                      with: (position + n - 1 min: aCollection size).
>
> ^^^ okay an error happened here that will not throw an exception and the
> default fileOp:with:with:with will return nil. So maybe we should add an
> ifFail: [0] to it?

The correct #ifFail: would probably be to check errno.

We should also look for cases where raising an exception is appropriate 
instead of calling the failure block.

Paolo