JRC> Isn't DosRead supposed to block if no bytes are available to be read?

 JRC> I'm playing with serial I/O threads and if DosRead doesn't ever block

 JRC> on a read from the comm port, there's no reason for the overhead of a

 JRC> thread, mutex semaphore and all that other garbage.  Thanks!



 PC> Yes, DosRead will block, but you have to tell the com port which mode

 PC> to use.



Ach.  You can do that on ports that are already open?  i.e. a little shim

that sits between a BBS and it's mailer?



={) James (}=



--- Blue Wave/DOS v2.30