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Re: Manipulating C code at the AST level, in C

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  Re: Manipulating C code at the AST level, in C Nuno Silva <nunojsilva@invalid.invalid> - 2026-08-14 12:26 +0100
    Re: Manipulating C code at the AST level, in C Geoff Clare <geoff@clare.See-My-Signature.invalid> - 2026-08-14 13:53 +0100
      Re: Manipulating C code at the AST level, in C Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-08-14 21:10 +0000
    Re: Manipulating C code at the AST level, in C scott@slp53.sl.home (Scott Lurndal) - 2026-08-14 16:00 +0000
    Re: Manipulating C code at the AST level, in C c186282 <c186282@nnada.net> - 2026-08-14 23:47 -0400
      Re: Manipulating C code at the AST level, in C rbowman <bowman@montana.com> - 2026-08-15 07:20 +0000
        Re: Manipulating C code at the AST level, in C The Natural Philosopher <tnp@invalid.invalid> - 2026-08-15 11:33 +0100
        Re: Manipulating C code at the AST level, in C c186282 <c186282@nnada.net> - 2026-08-15 22:41 -0400
          Re: Manipulating C code at the AST level, in C "Carlos E. R." <robin_listas@es.invalid> - 2026-08-16 10:50 +0200
            Re: Manipulating C code at the AST level, in C rbowman <bowman@montana.com> - 2026-08-16 19:04 +0000
      Re: Manipulating C code at the AST level, in C Jim Jackson <jj@franjam.org.uk> - 2026-08-15 11:07 +0000
        Re: Manipulating C code at the AST level, in C The Natural Philosopher <tnp@invalid.invalid> - 2026-08-15 12:18 +0100
      Re: Manipulating C code at the AST level, in C Richard Kettlewell <invalid@invalid.invalid> - 2026-08-15 12:20 +0100
        Re: Manipulating C code at the AST level, in C c186282 <c186282@nnada.net> - 2026-08-16 02:09 -0400
          Re: Manipulating C code at the AST level, in C Richard Kettlewell <invalid@invalid.invalid> - 2026-08-16 09:59 +0100
            Re: Manipulating C code at the AST level, in C The Natural Philosopher <tnp@invalid.invalid> - 2026-08-16 11:42 +0100
              Re: Manipulating C code at the AST level, in C c186282 <c186282@nnada.net> - 2026-08-17 00:02 -0400
                Re: Manipulating C code at the AST level, in C rbowman <bowman@montana.com> - 2026-08-17 07:10 +0000
                  Re: Manipulating C code at the AST level, in C Nuno Silva <nunojsilva@invalid.invalid> - 2026-08-17 09:32 +0100
                  Re: Manipulating C code at the AST level, in C The Natural Philosopher <tnp@invalid.invalid> - 2026-08-17 10:13 +0100
                    Re: Manipulating C code at the AST level, in C rbowman <bowman@montana.com> - 2026-08-17 17:15 +0000
                      Re: Manipulating C code at the AST level, in C The Natural Philosopher <tnp@invalid.invalid> - 2026-08-17 20:58 +0100
                    Re: Manipulating C code at the AST level, in C c186282 <c186282@nnada.net> - 2026-08-17 22:24 -0400
                      Re: Manipulating C code at the AST level, in C Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2026-08-18 04:55 +0000
                        Re: Manipulating C code at the AST level, in C rbowman <bowman@montana.com> - 2026-08-18 06:17 +0000
                          Re: Manipulating C code at the AST level, in C c186282 <c186282@nnada.net> - 2026-08-18 22:11 -0400
                            Re: Manipulating C code at the AST level, in C rbowman <bowman@montana.com> - 2026-08-19 04:21 +0000
                              Re: Manipulating C code at the AST level, in C c186282 <c186282@nnada.net> - 2026-08-19 02:26 -0400
                                Re: Manipulating C code at the AST level, in C The Natural Philosopher <tnp@invalid.invalid> - 2026-08-19 14:29 +0100
                                  Re: Manipulating C code at the AST level, in C rbowman <bowman@montana.com> - 2026-08-19 19:36 +0000
                              Re: Manipulating C code at the AST level, in C The Natural Philosopher <tnp@invalid.invalid> - 2026-08-19 14:28 +0100
                            Re: Manipulating C code at the AST level, in C The Natural Philosopher <tnp@invalid.invalid> - 2026-08-19 14:24 +0100
                        Re: Manipulating C code at the AST level, in C The Natural Philosopher <tnp@invalid.invalid> - 2026-08-18 10:19 +0100
                          Re: Manipulating C code at the AST level, in C Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2026-08-18 16:30 +0000
                            Re: Manipulating C code at the AST level, in C rbowman <bowman@montana.com> - 2026-08-19 04:11 +0000
                              Re: Manipulating C code at the AST level, in C Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2026-08-19 04:22 +0000
                                Re: Manipulating C code at the AST level, in C Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-08-19 04:38 +0000
                                  Re: Manipulating C code at the AST level, in C Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2026-08-19 05:34 +0000
                                    Re: Manipulating C code at the AST level, in C rbowman <bowman@montana.com> - 2026-08-19 06:39 +0000
                                    Re: Manipulating C code at the AST level, in C Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-08-19 07:04 +0000
                                      Re: Manipulating C code at the AST level, in C rbowman <bowman@montana.com> - 2026-08-19 19:59 +0000
                                        Re: Manipulating C code at the AST level, in C The Natural Philosopher <tnp@invalid.invalid> - 2026-08-20 01:31 +0100
                                          Re: Manipulating C code at the AST level, in C rbowman <bowman@montana.com> - 2026-08-20 03:26 +0000
                                            Re: Manipulating C code at the AST level, in C The Natural Philosopher <tnp@invalid.invalid> - 2026-08-20 11:50 +0100
                                              Re: Manipulating C code at the AST level, in C The Natural Philosopher <tnp@invalid.invalid> - 2026-08-20 12:06 +0100
                                              Re: Manipulating C code at the AST level, in C c186282 <c186282@nnada.net> - 2026-08-20 12:51 -0400
                                          Re: Manipulating C code at the AST level, in C Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2026-08-20 04:02 +0000
                                  Re: Manipulating C code at the AST level, in C rbowman <bowman@montana.com> - 2026-08-19 06:35 +0000
                                    Re: Manipulating C code at the AST level, in C The Natural Philosopher <tnp@invalid.invalid> - 2026-08-19 14:31 +0100
                                      Re: Manipulating C code at the AST level, in C rbowman <bowman@montana.com> - 2026-08-19 19:47 +0000
                                        [off-topic] MA 370 flight disappearance (Was: Re: Manipulating C code at the AST level, in C) Anton Antimo <anton@safunu.org> - 2026-08-20 10:04 -0300
                                          Re: [off-topic] MA 370 flight disappearance (Was: Re: Manipulating C code at the AST level, in C) rbowman <bowman@montana.com> - 2026-08-20 21:11 +0000
                                Re: Manipulating C code at the AST level, in C c186282 <c186282@nnada.net> - 2026-08-19 02:28 -0400
                                  Re: Manipulating C code at the AST level, in C Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2026-08-19 16:57 +0000
                                    Re: Manipulating C code at the AST level, in C rbowman <bowman@montana.com> - 2026-08-19 22:17 +0000
                                      Re: Manipulating C code at the AST level, in C The Natural Philosopher <tnp@invalid.invalid> - 2026-08-20 01:34 +0100
                                        Re: Manipulating C code at the AST level, in C rbowman <bowman@montana.com> - 2026-08-20 03:45 +0000
                                      Re: Manipulating C code at the AST level, in C c186282 <c186282@nnada.net> - 2026-08-19 23:26 -0400
                                        Re: Manipulating C code at the AST level, in C rbowman <bowman@montana.com> - 2026-08-20 21:40 +0000
                                Re: Manipulating C code at the AST level, in C rbowman <bowman@montana.com> - 2026-08-19 06:30 +0000
                            Re: Manipulating C code at the AST level, in C The Natural Philosopher <tnp@invalid.invalid> - 2026-08-19 14:15 +0100
                              Re: Manipulating C code at the AST level, in C rbowman <bowman@montana.com> - 2026-08-19 19:39 +0000
                                Re: Manipulating C code at the AST level, in C Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2026-08-19 22:54 +0000
                                  Re: Manipulating C code at the AST level, in C rbowman <bowman@montana.com> - 2026-08-20 04:03 +0000
                                Re: Manipulating C code at the AST level, in C The Natural Philosopher <tnp@invalid.invalid> - 2026-08-20 01:25 +0100
                                  Re: Manipulating C code at the AST level, in C rbowman <bowman@montana.com> - 2026-08-20 03:56 +0000
                                    Re: Manipulating C code at the AST level, in C Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2026-08-20 04:40 +0000
                                      Re: Manipulating C code at the AST level, in C Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-08-20 04:46 +0000
                                        Re: Manipulating C code at the AST level, in C Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-08-20 04:59 +0000
                                      Re: Manipulating C code at the AST level, in C rbowman <bowman@montana.com> - 2026-08-20 21:46 +0000
                                        Re: Manipulating C code at the AST level, in C Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2026-08-20 22:44 +0000
          Re: Manipulating C code at the AST level, in C rbowman <bowman@montana.com> - 2026-08-16 19:13 +0000
            Re: Manipulating C code at the AST level, in C c186282 <c186282@nnada.net> - 2026-08-17 01:14 -0400
              Re: Manipulating C code at the AST level, in C Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2026-08-17 16:58 +0000
        Re: Manipulating C code at the AST level, in C Geoff Clare <geoff@clare.See-My-Signature.invalid> - 2026-08-17 13:44 +0100
          Re: Manipulating C code at the AST level, in C The Natural Philosopher <tnp@invalid.invalid> - 2026-08-17 15:31 +0100
            Re: Manipulating C code at the AST level, in C Geoff Clare <geoff@clare.See-My-Signature.invalid> - 2026-08-18 13:23 +0100
              Re: Manipulating C code at the AST level, in C The Natural Philosopher <tnp@invalid.invalid> - 2026-08-18 17:16 +0100
          Re: Manipulating C code at the AST level, in C Richard Kettlewell <invalid@invalid.invalid> - 2026-08-17 20:27 +0100

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#90124

On 18/08/2026 17:30, Charlie Gibbs wrote:
> On 2026-08-18, The Natural Philosopher <tnp@invalid.invalid> wrote:
> 
>> On 18/08/2026 05:55, Charlie Gibbs wrote:
>>
>>> On 2026-08-18, c186282 <c186282@nnada.net> wrote:
>>>
>>>> On 8/17/26 05:13, The Natural Philosopher wrote:
>>>>
>>>>> Yes. USA is being raped by its political classes...
>>>>
>>>>      Umm ... read yer history. It's ALWAYS been thus,
>>>>      USA or anywhere else. No fixing it. Send all the
>>>>      pols to Mars and the NEW ones will be doing the
>>>>      SAME things from the get-go. A "human nature" quirk.
>>>
>>>       No matter who you vote for, the government always get in.
>>>         -- The Bonzo Dog Band
>>
>> +1
>>
>> Bonzo dog DOODAH band.
> 
> Thank you.  :-)
> 
> Back in my early skydiving days I was so spaced out by
> the experience that I was given the nickname "Spaceman".
> At the time I was working for an outfit called "Urban
> Computers Ltd."  So I really _am_ the Urban Spaceman.
> 
Darling, back in the day, who wasn't?

I remember London in the 1970s too, in brief moments of lucidity

-- 
“when things get difficult you just have to lie”

― Jean Claud Jüncker

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#90157

On Wed, 19 Aug 2026 14:15:04 +0100, The Natural Philosopher wrote:

> I remember London in the 1970s too, in brief moments of lucidity

I think I have mislaid the '70s. I vaguely remember getting married and 
divorced but I would have to ask my ex when that was. She was the 
designated driver for much of our time together.

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#90172

On 2026-08-19, rbowman <bowman@montana.com> wrote:

> On Wed, 19 Aug 2026 14:15:04 +0100, The Natural Philosopher wrote:
>
>> I remember London in the 1970s too, in brief moments of lucidity
>
> I think I have mislaid the '70s. I vaguely remember getting married and 
> divorced but I would have to ask my ex when that was. She was the 
> designated driver for much of our time together.

    Anyone who remembers the '60s probably wasn't there.
      -- Robin Williams (or maybe someone else)

-- 
/~\  Charlie Gibbs                  |  In this world there are
\ /  <cgibbs@kltpzyxm.invalid>      |  two kinds of people:
 X   I'm really at ac.dekanfrus     |  1. Those who can extrapolate
/ \  if you read it the right way.  |  from incomplete data.

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#90194

On Wed, 19 Aug 2026 22:54:04 GMT, Charlie Gibbs wrote:

> On 2026-08-19, rbowman <bowman@montana.com> wrote:
> 
>> On Wed, 19 Aug 2026 14:15:04 +0100, The Natural Philosopher wrote:
>>
>>> I remember London in the 1970s too, in brief moments of lucidity
>>
>> I think I have mislaid the '70s. I vaguely remember getting married and
>> divorced but I would have to ask my ex when that was. She was the
>> designated driver for much of our time together.
> 
>     Anyone who remembers the '60s probably wasn't there.
>       -- Robin Williams (or maybe someone else)

I have a slightly better grasp on the '60s. Although I lived about 100 
miles from the Woodstock festival I had a prior commitment and was on a 
plane to South Carolina the Wednesday before it kicked off. I would have 
much rather went to Woodstock. 

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#90176

On 19/08/2026 20:39, rbowman wrote:
> On Wed, 19 Aug 2026 14:15:04 +0100, The Natural Philosopher wrote:
> 
>> I remember London in the 1970s too, in brief moments of lucidity
> 
> I think I have mislaid the '70s. I vaguely remember getting married and
> divorced but I would have to ask my ex when that was. She was the
> designated driver for much of our time together.

Bravo! That is a life to be proud of..

I certainly had a lot of sex...
-- 
The lifetime of any political organisation is about three years before 
its been subverted by the people it tried to warn you about.

Anon.

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#90191

On Thu, 20 Aug 2026 01:25:23 +0100, The Natural Philosopher wrote:

> On 19/08/2026 20:39, rbowman wrote:
>> On Wed, 19 Aug 2026 14:15:04 +0100, The Natural Philosopher wrote:
>> 
>>> I remember London in the 1970s too, in brief moments of lucidity
>> 
>> I think I have mislaid the '70s. I vaguely remember getting married and
>> divorced but I would have to ask my ex when that was. She was the
>> designated driver for much of our time together.
> 
> Bravo! That is a life to be proud of..
> 
> I certainly had a lot of sex...

Sex, drugs, and rock'n'roll, baby.

youtube.com/watch?v=Nu7aOan-lds

'Acid, booze, and ass
Needles, guns, and grass
Lots of laughs, lots of laughs'

Another Blue altogether:

https://www.youtube.com/watch?v=CcR24iQa0yU

'The Wild Angels' was 1966 and kicked off the biker genre. The '69 'Easy 
Rider' is much more famous, also with Peter Fonda. Nancy Sinatra had 
fallen off the bitch pad somewhere along the way.

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#90196

On 2026-08-20, rbowman <bowman@montana.com> wrote:

> On Thu, 20 Aug 2026 01:25:23 +0100, The Natural Philosopher wrote:
>
>> On 19/08/2026 20:39, rbowman wrote:
>>> On Wed, 19 Aug 2026 14:15:04 +0100, The Natural Philosopher wrote:
>>> 
>>>> I remember London in the 1970s too, in brief moments of lucidity
>>> 
>>> I think I have mislaid the '70s. I vaguely remember getting married and
>>> divorced but I would have to ask my ex when that was. She was the
>>> designated driver for much of our time together.
>> 
>> Bravo! That is a life to be proud of..
>> 
>> I certainly had a lot of sex...
>
> Sex, drugs, and rock'n'roll, baby.
>
> youtube.com/watch?v=Nu7aOan-lds

Nice.  For some reason I didn't listen to that album that much;
I was busy wearing out my copy of "Ladies of the Canyon", I guess.

> 'Acid, booze, and ass
> Needles, guns, and grass
> Lots of laughs, lots of laughs'

    Marijuana, hashish, mescaline, scopolamine
    Belladonna, cocaine, chloral hydrate, ephedrine
    Psilocybin, atropine, cannabis, amphetamine
    LBJ, LSD, MDA and DMT
    Do you know what you're doing?
      -- Terry Bush

As I was digging up the above, I found out that
Terry Bush later wrote the theme to "The Littlest Hobo".

-- 
/~\  Charlie Gibbs                  |  In this world there are
\ /  <cgibbs@kltpzyxm.invalid>      |  two kinds of people:
 X   I'm really at ac.dekanfrus     |  1. Those who can extrapolate
/ \  if you read it the right way.  |  from incomplete data.

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#90197

On Thu, 20 Aug 2026 04:40:36 GMT, Charlie Gibbs wrote:

>     Marijuana, hashish, mescaline, scopolamine
>     Belladonna, cocaine, chloral hydrate, ephedrine
>     Psilocybin, atropine, cannabis, amphetamine
>     LBJ, LSD, MDA and DMT
>     Do you know what you're doing?
>       -- Terry Bush

A-Z of ways to abuse your body & mind
<https://www.youtube.com/watch?v=SdbaDBp1S>.

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#90198

On Thu, 20 Aug 2026 04:46:37 -0000 (UTC), I wrote:

> On Thu, 20 Aug 2026 04:40:36 GMT, Charlie Gibbs wrote:
> 
>>     Marijuana, hashish, mescaline, scopolamine
>>     Belladonna, cocaine, chloral hydrate, ephedrine
>>     Psilocybin, atropine, cannabis, amphetamine
>>     LBJ, LSD, MDA and DMT
>>     Do you know what you're doing?
>>       -- Terry Bush
> 
> A-Z of ways to abuse your body & mind
> <https://www.youtube.com/watch?v=SdbaDBp1S>.

Typo, sorry:
<https://www.youtube.com/watch?v=SdbaDBp1S_I>

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#90243

On Thu, 20 Aug 2026 04:40:36 GMT, Charlie Gibbs wrote:

>     Marijuana, hashish, mescaline, scopolamine Belladonna, cocaine,
>     chloral hydrate, ephedrine Psilocybin, atropine, cannabis,
>     amphetamine LBJ, LSD, MDA and DMT Do you know what you're doing?
>       -- Terry Bush

"The sporting editors had also given me $300 in cash, most of which was 
already spent on extremely dangerous drugs. The trunk of the car looked 
like a mobile police narcotics lab. We had two bags of grass, seventy-five 
pellets of mescaline, five sheets of high-powered blotter acid, a salt 
shaker half full of cocaine, and a whole galaxy of multi-colored uppers, 
downers, screamers, laughers . . . and also a quart of tequila, a quart of 
rum, a case of Budweiser, a pint of raw ether and two dozen amyls."

"The only thing that really worried me was the ether. There is nothing in 
the world more hopeless and irresponsible and depraved that a man in the 
depths of an ether binge."

Hunter Thompson

https://steemit.com/writing/@doc-gonzo/fear-and-loathing-in-las-vegas-
chapter-1-by-hunter-s-thompson

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#90247

On 2026-08-20, rbowman <bowman@montana.com> wrote:

> On Thu, 20 Aug 2026 04:40:36 GMT, Charlie Gibbs wrote:
>
>>     Marijuana, hashish, mescaline, scopolamine Belladonna, cocaine,
>>     chloral hydrate, ephedrine Psilocybin, atropine, cannabis,
>>     amphetamine LBJ, LSD, MDA and DMT Do you know what you're doing?
>>       -- Terry Bush
>
> "The sporting editors had also given me $300 in cash, most of which was 
> already spent on extremely dangerous drugs. The trunk of the car looked 
> like a mobile police narcotics lab. We had two bags of grass, seventy-five 
> pellets of mescaline, five sheets of high-powered blotter acid, a salt 
> shaker half full of cocaine, and a whole galaxy of multi-colored uppers, 
> downers, screamers, laughers . . . and also a quart of tequila, a quart of 
> rum, a case of Budweiser, a pint of raw ether and two dozen amyls."
>
> "The only thing that really worried me was the ether. There is nothing in 
> the world more hopeless and irresponsible and depraved that a man in the 
> depths of an ether binge."
>
> Hunter Thompson
>
> https://steemit.com/writing/@doc-gonzo/fear-and-loathing-in-las-vegas-
> chapter-1-by-hunter-s-thompson

Great book.  The movie was fun too - casting Johnny Depp was a good move.

My other favourite HST quote is:
"When the going gets weird, the weird turn pro."

-- 
/~\  Charlie Gibbs                  |  In this world there are
\ /  <cgibbs@kltpzyxm.invalid>      |  two kinds of people:
 X   I'm really at ac.dekanfrus     |  1. Those who can extrapolate
/ \  if you read it the right way.  |  from incomplete data.

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#89945

On Sun, 16 Aug 2026 02:09:57 -0400, c186282 wrote:

>  You brought a
>    jacket so you could do shit in the CPU room.

At RPI the shrine where the 360/30 lived was the only place on campus with 
A/C. Not a bad thing on those days when the humidity in the Hudson Valley 
hits 99.9%.

The last place I worked was a converted mill building. Rather nice 
architecturally but every HVAC company in town had taken a shot at it with 
limited success. Programming wore flannel shirts in August and it wasn't a 
style thing. Portable electric heaters appeared to the consternation of 
the maintenance people.

Conversely, I leaned toward short sleeved shirts in December. The poor 
bastards on the 2nd floor were on the opposite schedule.

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#89957

On 8/16/26 15:13, rbowman wrote:
> On Sun, 16 Aug 2026 02:09:57 -0400, c186282 wrote:
> 
>>   You brought a
>>     jacket so you could do shit in the CPU room.
> 
> At RPI the shrine where the 360/30 lived was the only place on campus with
> A/C. Not a bad thing on those days when the humidity in the Hudson Valley
> hits 99.9%.


   Heh heh ... yea, there WAS a little span where
   the coolest place in town, literally, was the
   govt/biz CPU room !


> The last place I worked was a converted mill building. Rather nice
> architecturally but every HVAC company in town had taken a shot at it with
> limited success. Programming wore flannel shirts in August and it wasn't a
> style thing. Portable electric heaters appeared to the consternation of
> the maintenance people.

   Older buildings, like old British castles, were NOT
   designed with modern conveniences in mind. The Brits
   just ran lots of pipes and shit along the upper walls.
   Kinda ugly, but WORK.

> Conversely, I leaned toward short sleeved shirts in December. The poor
> bastards on the 2nd floor were on the opposite schedule.

   The old boxes had to be kept within a narrow
   temperature range. Mostly that's be 'cooler'
   but in winter might be 'hotter'.

   I remember an old govt place - a DEC cpu box,
   about a cubic meter, discrete transistors - in
   the middle of the room and all the tape drive
   units along the walls. They kept it about 55/60F
   in there at all times WITH an enforced breeze.

   BUT ... it supported dozens of serial terminals,
   local and remote,  and everybody COULD get their
   necessary shit done.

   Almost *all* COBOL.

   Hmmm ... these days you can earn BIG money if
   you know, and can fix/mod, COBOL code from the
   1960s. Rather a LOT of places paid BIG $$$ to
   have COBOL pros write their core operating
   software back then - and can now not AFFORD to
   port it all over to anything else.

   Oh, that olde-tyme COBOL code - SOLID ! Yer
   stereotypical white-shirt/narrow-tie guys
   who KNEW THEIR SHIT far better than most today.
   Not EVER gonna cuss them.

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#89972

On 2026-08-17, c186282 <c186282@nnada.net> wrote:

>    The old boxes had to be kept within a narrow
>    temperature range. Mostly that's be 'cooler'
>    but in winter might be 'hotter'.

Not as narrow as many people thought.  I used to get
into "thermostat wars" with people who believed that
the purpose of air conditioning was not to make things
comfortable - for people or machines - but to make
things COLD.  As with anything else a moderate
approach worked quite well - but most people just
couldn't stand the thought of a machine room being
comfortable, so after I left they'd crank the
thermostat right back down again.

Most installations I worked in only ran the machines
during office hours, shutting them down at the end of
the day.  One Friday evening I shut down the machine
but forgot to shut off the air conditioning before
leaving.  Monday morning our breath was condensing
in the machine room.  The oil in the disk drives'
hydraulic actuators congealed, and the heads wouldn't
load until we left the disks spinning for the couple
of hours it took for the oil to warm up.

At another such shop, the machine was notoriously flaky.
When the CE pulled one of the main boards out of the CPU,
a VLSI chip fell out.  The constant thermal cycling had
caused the chips to literally walk out of their sockets.
Once we left the machine on 24/7, the problems went away.

-- 
/~\  Charlie Gibbs                  |  In this world there are
\ /  <cgibbs@kltpzyxm.invalid>      |  two kinds of people:
 X   I'm really at ac.dekanfrus     |  1. Those who can extrapolate
/ \  if you read it the right way.  |  from incomplete data.

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#89966

Richard Kettlewell wrote:

> poll() doesn’t poll, despite the name.

Yes it does, if you tell it to.

Quoting from the SUS at the previously-given URL:

    To effect a poll, the application shall ensure that the timeout
    argument for poll() is 0, or for ppoll() is not a null pointer and
    points to a zero-valued timespec structure.

-- 
Geoff Clare <netnews@gclare.org.uk>

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#89968

On 17/08/2026 13:44, Geoff Clare wrote:
> Richard Kettlewell wrote:
> 
>> poll() doesn’t poll, despite the name.
> 
> Yes it does, if you tell it to.
> 
> Quoting from the SUS at the previously-given URL:
> 
>      To effect a poll, the application shall ensure that the timeout
>      argument for poll() is 0, or for ppoll() is not a null pointer and
>      points to a zero-valued timespec structure.
> 
Poll means head you know. As in poll tax, Red poll cattle

I am very uncertain in this contex that it means what you think it means

-- 
If you tell a lie big enough and keep repeating it, people will 
eventually come to believe it. The lie can be maintained only for such 
time as the State can shield the people from the political, economic 
and/or military consequences of the lie. It thus becomes vitally 
important for the State to use all of its powers to repress dissent, for 
the truth is the mortal enemy of the lie, and thus by extension, the 
truth is the greatest enemy of the State.

Joseph Goebbels

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#90059

The Natural Philosopher wrote:

> On 17/08/2026 13:44, Geoff Clare wrote:
>> 
>> Quoting from the SUS at the previously-given URL:
>> 
>>      To effect a poll, the application shall ensure that the timeout
>>      argument for poll() is 0, or for ppoll() is not a null pointer and
>>      points to a zero-valued timespec structure.
>> 
> Poll means head you know. As in poll tax, Red poll cattle
> 
> I am very uncertain in this contex that it means what you think it means

Well, the context is computing and https://foldoc.org/poll says:

poll
To check the status of an input line, sensor, or memory location to
see if a particular external event has been registered.

-- 
Geoff Clare <netnews@gclare.org.uk>

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#90068

On 18/08/2026 13:23, Geoff Clare wrote:
> The Natural Philosopher wrote:
> 
>> On 17/08/2026 13:44, Geoff Clare wrote:
>>>
>>> Quoting from the SUS at the previously-given URL:
>>>
>>>       To effect a poll, the application shall ensure that the timeout
>>>       argument for poll() is 0, or for ppoll() is not a null pointer and
>>>       points to a zero-valued timespec structure.
>>>
>> Poll means head you know. As in poll tax, Red poll cattle
>>
>> I am very uncertain in this contex that it means what you think it means
> 
> Well, the context is computing and https://foldoc.org/poll says:
> 
> poll
> To check the status of an input line, sensor, or memory location to
> see if a particular external event has been registered.
> 

Indeed. but mostly what you do is have an interrupt service routine do 
that whilst the computer gets on with 'other stuff', The ISR may be a 
timer like in a multitasking scheduler or it may be triggered by the 
hardware.
What no computer more advanced than a single thread microcontroller ever 
does is 'poll' the hardware with ISRs disabled




-- 
New Socialism consists essentially in being seen to have your heart in 
the right place whilst your head is in the clouds and your hand is in 
someone else's pocket.

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#89985

Geoff Clare <geoff@clare.See-My-Signature.invalid> writes:
> Richard Kettlewell wrote:
>> poll() doesn’t poll, despite the name.
>
> Yes it does, if you tell it to.
>
> Quoting from the SUS at the previously-given URL:
>
>     To effect a poll, the application shall ensure that the timeout
>     argument for poll() is 0, or for ppoll() is not a null pointer and
>     points to a zero-valued timespec structure.

Fair point! I’ll amend to “doesn’t _only_ poll”.

-- 
https://www.greenend.org.uk/rjk/

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