[Info-vax] About $ run /mailbox DCL command

[hb]

On Jan 4, 4:53 pm, IanMiller <g... at uk2.net> wrote:
> I don't think the mailbox driver supports a timeout directly.
> In a program you can set a timer and abort the I/O.

The mailbox driver supports IO$M_NOW. That's not a timeout, or only a
very short one :-) It looks like the DCL read doesn't set this I/O
modifier for mailboxes; neither by default nor on request. Coding an
own read utility with this looks like a SMOP.