Wireshark · Ethereal-users: Re: [Ethereal-users] Tethereal can, Ethereal cannot

[Guy Harris <gharris@xxxxxxxxx>]

Jeetendra Singh wrote:

> but ethereal is not able to display the captured packets. Am using 
> following command:
>     "ethereal -i /tmp/myfifo -kl"
> Ethereal just says that theres nothing to display as no data has been 
> captured.

Ethereal's opening the pipe in non-blocking mode, but it's not turning 
non-blocking mode off on the pipe once that completes, so if it tries 
reading from the pipe before something opens the pipe for writing, it'll 
get an EOF and assume that there's nothing more to read.