: Transient SVC ? (2301 drum & SVCLIB)
> I heard a legend of a system, probably not mainframe, on which a
> programmer made the disk error handling routines transient. It worked
> fine until it didn't.
We had a 360/91 with a 2301 drum on selector channel 1. This had
SVCLIB on it...
> I heard a legend of a system, probably not mainframe, on which a
> programmer made the disk error handling routines transient. It worked
> fine until it didn't.
We had a 360/91 with a 2301 drum on selector channel 1. This had
SVCLIB on it...
At some point we got another 2301 and moved a small
On Thu, Jun 01, 2023 at 12:33:39PM +, Seymour J Metz wrote:
>
> Transient SVC routines are supposed to be refreshable. That's important
> both for OS/360 SVC transient areas and ...
Yes, the transient area logic could overlay one module with another for a
higher priority task if needed (and
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Subject: Re: Q: Transient SVC ?
On Thu, 1 Jun 2023 16:41:43 +, Seymour J Metz wrote:
>Transient area loading used WAIT.
>
That works best if WAIT is not a transient SVC.
I heard a legend of a system, probably not mainframe, on which a programmer made
the disk error ha
On Thu, 1 Jun 2023 16:41:43 +, Seymour J Metz wrote:
>Transient area loading used WAIT.
>
That works best if WAIT is not a transient SVC.
I heard a legend of a system, probably not mainframe, on which a programmer made
the disk error handling routines transient. It worked fine until it didn'
, 2023 12:39 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Q: Transient SVC ?
On Wed, 31 May 2023 21:28:34 -0700, Michael Stein wrote:
>
>... So any SVC number ending in 0 resulted in a
>last character of x'c0' or '{'.
>
>from: MVT source pds AAPVT member IEAT
On Wed, 31 May 2023 21:28:34 -0700, Michael Stein wrote:
>
>... So any SVC number ending in 0 resulted in a
>last character of x'c0' or '{'.
>
>from: MVT source pds AAPVT member IEATRANS
>
>TRANSVC LHRWORK3,SVCID(RRB) . GET SVCID
> CVD RWORK3,SVCNAME . CONVERT SVC NUMBER TO DECI
] on behalf of
David Spiegel [0468385049d1-dmarc-requ...@listserv.ua.edu]
Sent: Thursday, June 1, 2023 9:36 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Q: Transient SVC ?
Hi Shmuel AMV"SH,
In OS/VS1 it was IEHIOSUP.
Regards,
David
On 2023-06-01 08:33, Seymour J Metz wrote:
> It'
: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of
Michael Stein [m...@zlvfc.com]
Sent: Thursday, June 1, 2023 12:28 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Q: Transient SVC ?
Back before SYS1.LPALIB, Nucleus-resident SVC routines were named IGCxxx
and were linked into IEAN
ay, June 1, 2023 12:28 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Q: Transient SVC ?
> Back before SYS1.LPALIB, Nucleus-resident SVC routines were named IGCxxx
> and were linked into IEANUC00; transient SVC routines were named IGC00xxx
> with a C zone on the last digit, resided is SYS1.SV
> Back before SYS1.LPALIB, Nucleus-resident SVC routines were named IGCxxx
> and were linked into IEANUC00; transient SVC routines were named IGC00xxx
> with a C zone on the last digit, resided is SYS1.SVCLIB and ran out of
> 1 KiB SVC transient areas.
> The EBCDIC code pages I've used had C) as "
uel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3
From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of
Steve Thompson [ste...@wkyr.net]
Sent: Wednesday, May 31, 2023 9:32 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Q: Transient SVC ?
Sorry, but I have to ask this: Wha
From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of
Steve Thompson [ste...@wkyr.net]
Sent: Wednesday, May 31, 2023 9:32 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Q: Transient SVC ?
Sorry, but I have to ask this: What do you mean by a transient SVC?
In days gone by, I remem
Sorry, but I have to ask this: What do you mean by a transient SVC?
In days gone by, I remember that SVCs had to have specific names,
so the last char of the SVC could be a "non" printable name (hazy
memories of this from having to fix/patch an SVC).
I know that DOS, DOS/V* had transients tha
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