From: Robert Dewar <robert_dewar@my-deja.com>
Subject: Re: Self-referential types
Date: 1999/10/18
Date: 1999-10-18T00:00:00+00:00 [thread overview]
Message-ID: <7udsva$m0t$1@nnrp1.deja.com> (raw)
In-Reply-To: 38079D6F.4F7C00FA@mitre.org
In article <38079D6F.4F7C00FA@mitre.org>,
"Robert I. Eachus" <eachus@mitre.org> wrote:
> But this is the wrong way to do that in Ada. There are two
similar
> cases and several structurally different ways to organize
them. First
> if there is no shared local data common to all of the
subprograms, or if
> tasking is not an issue, you can put the local data in a
^^^^^^^^^^^^^^^^^^^^^^^
Ah ha! There it is. The trouble is that the creator may not
think tasking is an issue, but later on a consumer is interested
in task safety. PLEASE PLEASE default your thinking to assume
that tasking *is* an issue, and make thinks task safe by
default. Only introduce (well documented!) thread non-safety
deliberately if there is a VERY good reason for it.
package body.
> The package exports the subprograms, and the driver just
contains a few
> calls and perhaps some logic:
Sent via Deja.com http://www.deja.com/
Before you buy.
next prev parent reply other threads:[~1999-10-18 0:00 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <7ttb4a$8mq$1@nnrp1.deja.com>
[not found] ` <3802597B.9205AEE8@averstar.com>
1999-10-12 0:00 ` Self-referential types Ted Dennison
1999-10-12 0:00 ` Matthew Heaney
1999-10-13 0:00 ` Ted Dennison
1999-10-12 0:00 ` Robert A Duff
1999-10-12 0:00 ` Vladimir Olensky
1999-10-12 0:00 ` Matthew Heaney
1999-10-12 0:00 ` news.oxy.com
1999-10-12 0:00 ` Ted Dennison
1999-10-12 0:00 ` Stanley R. Allen
1999-10-13 0:00 ` Ted Dennison
1999-10-13 0:00 ` Vladimir Olensky
1999-10-14 0:00 ` Multiple Inheritance in Ada 95 [was Re: Self-referential types] Tucker Taft
1999-10-12 0:00 ` Self-referential types Matthew Heaney
1999-10-12 0:00 ` Richard D Riehle
1999-10-12 0:00 ` Ted Dennison
1999-10-12 0:00 ` Matthew Heaney
1999-10-12 0:00 ` Robert I. Eachus
1999-10-12 0:00 ` Matthew Heaney
1999-10-13 0:00 ` Robert I. Eachus
1999-10-13 0:00 ` Brian Rogoff
1999-10-15 0:00 ` Robert I. Eachus
1999-10-15 0:00 ` Marin David Condic
1999-10-15 0:00 ` Robert I. Eachus
1999-10-18 0:00 ` Robert Dewar [this message]
1999-10-19 0:00 ` Robert I. Eachus
1999-10-18 0:00 ` Robert Dewar
1999-10-18 0:00 ` Ed Falis
1999-10-19 0:00 ` Robert Dewar
1999-10-18 0:00 ` Brian Rogoff
[not found] ` <7u86su$o5v$1@nntp8.atl.mindspring.net>
1999-10-18 0:00 ` Robert I. Eachus
1999-10-22 0:00 ` Richard D Riehle
1999-10-22 0:00 ` Robert I. Eachus
[not found] ` <slrn80fl9f.68j.aidan@skinner.demon.co.uk>
1999-10-19 0:00 ` Wes Groleau
1999-10-21 0:00 ` Robert Dewar
1999-10-21 0:00 ` Jean-Pierre Rosen
1999-10-21 0:00 ` Robert Dewar
1999-10-21 0:00 ` Comments (was: Self-referential types) Wes Groleau
1999-10-21 0:00 ` Ehud Lamm
1999-10-22 0:00 ` Ted Dennison
1999-10-23 0:00 ` Ehud Lamm
1999-10-23 0:00 ` Robert Dewar
1999-10-23 0:00 ` Ehud Lamm
1999-10-23 0:00 ` Comments Georg Bauhaus
1999-10-24 0:00 ` Comments Ehud Lamm
1999-10-26 0:00 ` Comments Robert I. Eachus
1999-10-28 0:00 ` Comments Jerry van Dijk
1999-10-28 0:00 ` Comments Ted Dennison
1999-10-25 0:00 ` Comments (was: Self-referential types) Wes Groleau
1999-10-23 0:00 ` M.
[not found] ` <Pine.A41.3.96-heb-2.07.991021191504.30582K-100000@pluto.mscc.huji. <381477c9.e1388ff3@ftw.rsc.raytheon.com>
1999-10-25 0:00 ` Larry Kilgallen
1999-10-21 0:00 ` Self-referential types Larry Kilgallen
1999-10-22 0:00 ` Richard D Riehle
1999-10-23 0:00 ` Robert A Duff
1999-10-23 0:00 ` Richard D Riehle
1999-10-24 0:00 ` Michel DELARCHE
1999-10-13 0:00 ` Vladimir Olensky
1999-10-13 0:00 ` Vladimir Olensky
1999-10-18 0:00 ` Robert Dewar
1999-10-18 0:00 ` Laurent Guerby
1999-10-18 0:00 ` Vladimir Olensky
1999-10-13 0:00 ` Ted Dennison
1999-10-13 0:00 ` Matthew Heaney
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