Re: Data feeding two programs?

["Thomas Brun" <TDBRUNkkkkkkkkkkkkkkkkk>]

Jim,

Do you know if DTN's feed use two-way communication or does it throw its
data at the computer similar to BMI's feed?

Thanks.

-----Original Message-----
From: Jim Osborn <jimo@xxxxxxxxxx>
To: Omega-list@xxxxxxxxxx <Omega-list@xxxxxxxxxx>
Date: Wednesday, April 14, 1999 2:13 PM
Subject: Re: Data feeding two programs?


>Pete <Peter2150@xxxxxxx> asks:
>>I know that BMI can be split between two computers easily with a split
cable,
>>but does anyone know the following:(Mark Brown are you there?)
>>
>>Question: Can TS4 and Metastock Pro on the same computer get BMI data from
>>the same serial port. Or do I need a serial cable splitter to have the
data
>>hit 2 serial ports?
>
>Theoretically, it should be possible, because the BMI feed doesn't
>use two-way communication, it's simply throwing its data at your
>computer.  But usually applications "lock" a resource they're using,
>like that serial port, so the os won't let another app use the port
>once the first app grabs it.
>
>Of course, you could write your own serial-port driver (or you could
>if you were running Linux), but that driver would have to keep track
>of what data it had given to which app, and other potentially messy
>housekeeping chores like that.
>
>Much easier to use that cable splitter... :)
>
>Jim
>
>