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From: jmbw@nather.com (Markus Weber)
Subject: [TUHS] Re: 4.3 BSD version in the Unix Archive
Date: Wed, 1 Oct 2003 16:07:34 -0500	[thread overview]
Message-ID: <PMEAIMBALAHKECEIMJFGEEOMMCAA.jmbw@nather.com> (raw)
In-Reply-To: <20031001165600.32320.qmail@web10010.mail.yahoo.com>

>From: Kenneth Stailey [mailto:kstailey at yahoo.com]

>My first guess would be that there should be more "volatile" keywords used.
I
>think the printf()s cause the compiler to not discard some varibles.  Does
it
>work without the printf()s if you don't use "-O" (or "-O2", etc)
optimization?
>I think gcc does not elminitate varibles ever when the code is not
optimized.

Doesn't seem to make a difference, but I'll double-check.

I could be wrong, but I believe the printf will return as soon as the
physical output of the message has started - if so, it can very conceivably
affect the "real-time" behaviour of the code interfacing with the RQDX3.
Just a guess.
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  reply	other threads:[~2003-10-01 21:07 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-09-26 20:47 Michael Sokolov
2003-10-01 15:33 ` Markus Weber
2003-10-01 16:56   ` Kenneth Stailey
2003-10-01 21:07     ` Markus Weber [this message]
  -- strict thread matches above, loose matches on Subject: below --
2003-10-01 14:39 Michael Sokolov
2003-10-02 15:48 ` Robert Brockway
     [not found] <PMEAIMBALAHKECEIMJFGAENNMCAA.jmbw@nather.com>
2003-10-01  1:00 ` Gregg C Levine
2003-10-01  2:46   ` Markus Weber
2003-10-01  3:13     ` Robert Brockway
2003-10-01  7:10     ` Jochen Kunz
2003-09-29 18:50 Joseph F. Young
2003-09-30 13:04 ` Markus Weber
2003-09-30 19:02   ` Gregg C Levine
2003-09-26 18:35 Michael Sokolov
2003-09-26 20:24 ` Markus Weber
2003-09-26 11:47 Michael Sokolov
2003-09-26 17:48 ` Markus Weber
2003-09-24  2:40 [TUHS] ctcompare 1.2 is up Warren Toomey
     [not found] ` <PMEAIMBALAHKECEIMJFGMELBMCAA.jmbw@nather.com>
2003-09-26  3:03   ` [TUHS] Re: 4.3 BSD version in the Unix Archive Warren Toomey

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