For the original question:
> Suppose I have in JCL: DD DISP=SHR,DSN=SOME.DATA.SET.
>
> In my program, I dynalloc (same) SOME.DATA.SET OLD. I expect
> the ENQ to be upgraded to EXC. But when I FREE the allocation,
> can the ENQ revert to SHR?
No, once that ENQ is upgraded from
gt; Behalf Of Paul Gilmartin
> Sent: Monday, October 11, 2021 3:35 PM
> To: IBM-MAIN@LISTSERV.UA.EDU
> Subject: DYNALLOC, FREE, and ENQ?
>
> Suppose I have in JCL: DD DISP=SHR,DSN=SOME.DATA.SET.
>
> In my program, I dynalloc (same) SOME.DATA.SET OLD. I expect
@LISTSERV.UA.EDU
Subject: Re: DYNALLOC, FREE, and ENQ?
I don't know, but what about if you had
//DD1 DD DISP=SHR,DSN=SOME.DATA.SET
//DD2 DD DISP=OLD,DSN=SOME.DATA.SET,FREE=CLOSE
And CLOSEd DD2?
FWIW, I just looked up FREE=CLOSE to make sure I had it right and my at-hand
manual (V2R1) says &qu
ertain but that would seem to imply an ENQ downgrade.
Charles
-Original Message-
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf
Of Paul Gilmartin
Sent: Monday, October 11, 2021 3:35 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: DYNALLOC, FREE, and ENQ?
Suppose I
Suppose I have in JCL: DD DISP=SHR,DSN=SOME.DATA.SET.
In my program, I dynalloc (same) SOME.DATA.SET OLD. I expect
the ENQ to be upgraded to EXC. But when I FREE the allocation,
can the ENQ revert to SHR?
-- gil
--
For IBM
ly exclusive with PATH. But that
has been fixed, perhaps only in BPXWDYN by doing a FREE before the
ALLOCATE.
>
>From: Farley, Peter x23353
>Sent: Tuesday, January 26, 2021 12:27 PM
>
>It might be as simple as the DYNALLOC in cob2 is not using t
23353 <031df298a9da-dmarc-requ...@listserv.ua.edu>
Sent: Tuesday, January 26, 2021 12:27 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: COBOL cob2 Unix compile and SVC99 (DYNALLOC)
Frank,
It might be as simple as the DYNALLOC in cob2 is not using the REUSE parameter
to reuse an existing DD. You
Frank,
It might be as simple as the DYNALLOC in cob2 is not using the REUSE parameter
to reuse an existing DD. You could also simply wrap the invocation of cob2
with a TSO "FREE FI(SYSPRINT)" and after cob2 "ALLOC FI(SYSPRINT) DA(*)".
Peter
-Original Message-
Agreed. I will probably do this. Thanks for the input!
From: IBM Mainframe Discussion List on behalf of
Seymour J Metz
Sent: Tuesday, January 26, 2021 11:37 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: COBOL cob2 Unix compile and SVC99 (DYNALLOC)
There are
ERV.UA.EDU
Subject: COBOL cob2 Unix compile and SVC99 (DYNALLOC)
I put this out in the world in case anyone has the same issue in the future.
I've been playing around with the z/OS Unix environment recently. One of the
things I've been playing with is the _BPX_SHAREAS environment variable wh
I put this out in the world in case anyone has the same issue in the future.
I've been playing around with the z/OS Unix environment recently. One of the
things I've been playing with is the _BPX_SHAREAS environment variable which
allows multiple Unix processes to run in the same Unix address s
ny limit at all.
Hasn't anyone heard of malloc? :-)
> The enhancement should apply to JCL allocation as well as DYNALLOC.
Hmm, yet another code path. Though it might well be that fixing it in
DYNALLOC would fix it for JCL as well.
> Does any SVC 99 TU exceed 256 characters? Is thi
ng, including all directory
names, file names,
and separating slashes. ...
The enhancement should apply to JCL allocation as well as DYNALLOC.
Does any SVC 99 TU exceed 256 characters? Is this a relic of the MVC
instruction?
I'll suggest here, but it might belong in a separate RFE:
o Re
I recently discovered that the maximum path length for dynamic
allocation key 8017 (Unix PATH name) is 255 characters, in spite of
the fact that the text unit length field is 16 bits. While most "human
generated" path lengths will not be that long, software generated paths
can easily exceed that. A
It beats the alternative. The more I proofread, the more improvements I
make and the longer my posts get. 8-D
OREXXMan
JCL is the buggy whip of 21st century computing. Stabilize it.
Put Pipelines in the z/OS base. Would you rather process data one
character at a time (Unix/C style), or one rec
>> A minute AFTER I hit "send" for my message I saw the error.
>>
>I do my best proofreading *after* I press the key...
I'm excellent at finding my typos when I read my post after it is echoed back
to me.
--
Peter Hunkeler
--
9:51 AM
To: IBM-MAIN@listserv.ua.edu
Subject: Re: DYNALLOC
On 7/6/2018 6:23 AM, Bill Ogden wrote:
>
> A minute AFTER I hit "send" for my message I saw the error.
I do my best proofreading *after* I press the key...
--
Phoenix Software International
Edward E. Jaffe
831 Parkvie
Ed Jaffe wrote:
>On 7/6/2018 6:23 AM, Bill Ogden wrote:
>> A minute AFTER I hit "send" for my message I saw the error.
>I do my best proofreading *after* I press the key...
Or, AFTER you pressed that famous key "ENTER", you see you are making a career
ending 6-letter-word mistake...
After you
On 7/6/2018 6:23 AM, Bill Ogden wrote:
A minute AFTER I hit "send" for my message I saw the error.
I do my best proofreading *after* I press the key...
--
Phoenix Software International
Edward E. Jaffe
831 Parkview Drive North
El Segundo, CA 90245
https://www.phoenixsoftware.com/
--
>Date:Thu, 5 Jul 2018 09:48:03 -0500
>From:Bill Godfrey
>
>Your A(TU1) should be A(TUPL), and TUPL should look like this:
>
>TUPL DCA(TU1,TU2,TU3,TU4,TU5,TU6,TU7,TU8+X'8000)
Thank you!
IBM-MAIN is magical. A minute AFTER I hit "send" for my message I saw
the error. If the mag
DYNALLOC certainly does not require AMODE 24, or RMODE 24. The coding
technique used in Bill Ogden's and Eileen's examples do. Bill Godfrey's
works in either 24 or 31 modes. He also identified the main problem.
FWIW, there's no need to write code that looks like it was e
AFAIK only DAIR requires AMODE(24), not DYNALLOC.
--
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3
From: IBM Mainframe Discussion List on behalf of
Barkow, Eileen
Sent: Thursday, July 5, 2018 11:42 AM
To: IBM-MAIN@listserv.ua.edu
Subject: Re
Are you running with AMODE=24?
I think that you still need to, from looking at my old DYNALLOC pgms.
DS 0F
DYNBLKS EQU *
RBPOINT DC A(RBS) ADR REQ BLOCK PASSED IN R1
ORG RBPOINT S99RBP DSECT
DCX'80' HI ORDER BIT MUST BE ON
DS
gt;
>-Original Message-
>From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On
>Behalf Of Bill Godfrey
>Sent: Thursday, July 5, 2018 7:48 AM
>To: IBM-MAIN@LISTSERV.UA.EDU
>Subject: Re: DYNALLOC
>
>On Thu, 5 Jul 2018 10:29:22 -0400, Bill Ogden wrote
Should not be a S0C4 but don't you want pointers to ALL of the text units?
Charles
-Original Message-
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf
Of Bill Godfrey
Sent: Thursday, July 5, 2018 7:48 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: DYN
On Thu, 5 Jul 2018 10:29:22 -0400, Bill Ogden wrote:
>It has been a few decades since I used DYNALLOC and I am now doing
>something stupid that results in an 0C4 somewhere in never-never land. Can
>someone give me a clue without going to much trouble? (DRB and DRBPTR are
>
It has been a few decades since I used DYNALLOC and I am now doing
something stupid that results in an 0C4 somewhere in never-never land. Can
someone give me a clue without going to much trouble? (DRB and DRBPTR are
on full word boundaries.)
LA1,DRBPTR
DYNALLOC
On Fri, Dec 22, 2017 at 1:12 AM, Vernooij, Kees (ITOPT1) - KLM <
kees.verno...@klm.com> wrote:
> Forgotten to do a FREEBUFF dcbaddr after CLOSE?
>
No way to do that in a VS COBOL II program. (long ago)
>
> Grtn,
> Kees.
>
--
I have a theory that it's impossible to prove anything, but I can
Forgotten to do a FREEBUFF dcbaddr after CLOSE?
Grtn,
Kees.
> -Original Message-
> From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On
> Behalf Of John McKown
> Sent: 21 December, 2017 18:02
> To: IBM-MAIN@LISTSERV.UA.EDU
> Subject: Re: Disable DYN
The whole OS uses Dynalloc everywhere
Sent from my iPhone
Sorry for the autocorrect issues
> On Dec 21, 2017, at 17:10, Frank Swarbrick
> wrote:
>
> Doesn't CICS itself primarily use dynamic allocation for most files?
>
> From: IBM Ma
Doesn't CICS itself primarily use dynamic allocation for most files?
From: IBM Mainframe Discussion List on behalf of
Edward Gould
Sent: Wednesday, December 20, 2017 11:14 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Disable DYNALLOC?
> On Dec 20, 2017,
Maybe I'm just too darned skeptical. The claim of a historical relationship
between DYNALLOC and MVS Unix is not merely anachronistic; it's patently
absurd. I used a fully documented DYNALLOC as a new system programmer in the
late 1970s. When a grand case for any proposition is ma
On Thu, Dec 21, 2017 at 11:00 AM, Seymour J Metz wrote:
> Yes, you could disable DYNALLOC in production jobs, but it would be a CLM.
> A good rule of thumb is to not disable anything unless you thoroughly
> understand the need and consequences, you have a solid rollout plan and you
On Thu, Dec 21, 2017 at 10:50 AM, Seymour J Metz wrote:
> It's not just DYNALLOC, it's *any* code that explicitly or implicitly
> waits. Who wrote the transaction that issued the SVC 99? Why didn't he run
> it in a subtask? Presumably he is also doing OPEN, which w
Yes, you could disable DYNALLOC in production jobs, but it would be a CLM. A
good rule of thumb is to not disable anything unless you thoroughly understand
the need and consequences, you have a solid rollout plan and you have a solid
fallback plan. But it's not my dog.
--
Shmuel (Seym
du/~smetz3
From: IBM Mainframe Discussion List on behalf of
Roger W. Suhr (GMail)
Sent: Wednesday, December 20, 2017 5:43 PM
To: IBM-MAIN@listserv.ua.edu
Subject: Re: Disable DYNALLOC?
My 5 cents: Why do people always have to control everything. DYNALLOC is a
beautiful thing. It
It's not just DYNALLOC, it's *any* code that explicitly or implicitly waits.
Who wrote the transaction that issued the SVC 99? Why didn't he run it in a
subtask? Presumably he is also doing OPEN, which would be a problem even
without the DYNALLOC.
--
Shmuel (Seymou
IEFDB401 — Dynamic Allocation Input Validation
Routine Exit allows you to fail a request.
--
For IBM-MAIN subscribe / signoff / archive access instructions,
send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
To disable DYNALLOC would be to cause MGMT to delete you job plain and simple
-Original Message-
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf
Of CM Poncelet
Sent: Wednesday, December 20, 2017 7:25 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Disable
Apart from the unreal idea to disable DYNALLOC fully, you have full control
over the DYNALLOC functions via exit IEGDB401. We did and do beautiful things
in it, like our own SMS-like volume pooling before we converted to SMS.
Grtn,
Kees.
> -Original Message-
> From: IBM Mai
>>because of MVS UNIX. ...
>>
>> Disregard the anachronism in the last sentence. If, hypothetically,
>> DYNALLOC except by initiator is so harmful as to be prohibited in
>> production jobs, is there any way to do so? If it were possible,
>> what woul
resource management controls.
Russell (speaking for myself, not my employeer) Witt
-Original Message-
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf
Of Paul Gilmartin
Sent: Wednesday, December 20, 2017 4:38 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Disabl
SVC 99 (aka macro DYNALLOC) allows doing much more than dataset
(de)allocations via its TUP list parms.
So yes - it should always remain available for use in systems programs,
irrespective of its being hypothetically "harmful" in production jobs
(whatever they are).
My ha'
Peter
-Original Message-
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf
Of Paul Gilmartin
Sent: Wednesday, December 20, 2017 5:38 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Disable DYNALLOC?
From a recent thread (rant?) in ASSEMBLER-LIST:
... Do you sta
My 5 cents: Why do people always have to control everything. DYNALLOC is a
beautiful thing. It has to be used properly, for sure and it's not a "one size
fits all" tool, but it is very useful.
If you really have to control all allocations, then look into using and exit
(DAD
quirements, bypasses JES3 resource management
and potentially poses a production security risk. TSO has the
alloc command which can easily be used in clists. It exists
because of MVS UNIX. ...
Disregard the anachronism in the last sentence. If, hypothetically,
DYNALLOC except by initi
What I do for my very large DB2 SAS Processes is use the following
//DFSPARM DD DISP=SHR,DSN=SYSS.DFSORT.CNTLLIB(DFSORT)
In the DFSORT member I just have coded
OPTION DYNALLOC=(,32)
I have removed all SORTWKxx or variation (you may be using SASSWKxx) in the SAS
Proc or MXG Proc
OK, but you don't have to do it for everything. Most things aren't giving you a
problem. Small files aren't the same issue as larger ones.
Diversion between actual amount of data and estimated amount of data affects
performance, not just workspace allocation.
I'd ask IBM DFSORT to look at one o
from incorrect info more often than
it does now, is simpler.
Kees.
-Original Message-
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf
Of Bill Woodger
Sent: 26 July, 2016 11:31
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: DFSORT DYNALLOC/DYNAPCT question
Which is
Which is why I'm suggesting providing additional information on the DFSPARM DD.
Because if DFSORT is not reading the data, it doesn't know so much. You can
fill in some gaps for it. Allowing DFSORT to do the allocations better is
probably an advantage over allowing DFSORT to complete allocations
-MAIN@LISTSERV.UA.EDU
Subject: DFSORT DYNALLOC/DYNAPCT question
You could look at using DFSPARM in your SAS steps,
https://www.ibm.com/support/knowledgecenter/SSLTBW_2.1.0/com.ibm.zos.v2r1.icea100/dfsparm.htm
When invoked from another program, and when that other program is
reading/providing the
You could look at using DFSPARM in your SAS steps,
https://www.ibm.com/support/knowledgecenter/SSLTBW_2.1.0/com.ibm.zos.v2r1.icea100/dfsparm.htm
When invoked from another program, and when that other program is
reading/providing the data to DFSORT, you can help DFSORT out by providing
things li
I will raise DYNALLOC to 6 and also set DYNAPCT to 100, to help
DFSORT to handle large sorts that were provided with incorrect size info.
Regards,
Kees.
-Original Message-
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf
Of David Betten
Sent: 26 July, 2016
The dynamic allocation space calculations are going to be based on the
DYNALLOC number. As a simple example, if DFSORT calculates that it needs
6,000 cylinders of work space, and DYNALLOC=4 with DYNAPCT=50, it will need
4 volumes with at least 1500 cylinders of free space. But with DYNALLOC=6
Hello DFSORT experts,
The DYNALLOC description says that the default number of SORTWKs is 4 and not
to specify an unnecessary high number.
The DYNAPCT parameter allocates an extra number of SORTWKs to be used in case
the DYNALLOC number of SORTWKs appears to be not enough.
I can:
a
On 2014-09-08 15:35, Farley, Peter x23353 wrote:
>
>* ( int ** ) & ip.miscitems = &miscitems; /* Try casting on the left. */
>
> That solution may introduce unnecessary reference-and-dereference
> instructions, depending on the optimization level at compile time. I find it
> far easier
-Original Message-
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf
Of Paul Gilmartin
Sent: Monday, September 08, 2014 5:23 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Dynalloc with FREE=CLOSE,SPIN=UNALLOC
On Mon, 8 Sep 2014 14:02:17 -0700, Janet Graff
In the C/C++ Run-Time Library Reference (V1.13 link here, watch the wrap,
search for __miscitems in the page):
http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/EDCLB1C0/3.206.3?SHELF=cbcbs1c0&DT=20110617180047&CASE=
The "__miscitems" field in the dynalloc parameter
On Mon, 8 Sep 2014 14:02:17 -0700, Janet Graff wrote:
>I have it working now but I have to say, examples of calling dynalloc() from C
>code using text units is a decidedly badly documented interface.
>
>For anyone who attempts this in the future, here is a sample, this subroutine
&
I have it working now but I have to say, examples of calling dynalloc() from C
code using text units is a decidedly badly documented interface.
For anyone who attempts this in the future, here is a sample, this subroutine
takes a char * containing the intended ddname like, "DD:LOG01&
On Sat, 6 Sep 2014 17:31:35 -0700, Alan Young wrote:
>
>No, dynalloc() will use text units in addition to the mapped parameters.
>
>http://pic.dhe.ibm.com/infocenter/zos/v1r13/index.jsp?topic=%2Fcom.ibm.zos.r13.bpxbd00%2Fdynalloc.htm
>:
>
>__miscitems
>
>char * __ptr32
Paul Gilmartin wrote:
On Sat, 6 Sep 2014 13:16:53 -0700, Alan Young wrote:
Sam Siegel wrote:
My error ... I thought that text units could be added to a dynalloc
request. After reading the doc, dynalloc appears to be limited to a subset
of svc99 functions.
You might have you use the
On Sat, 6 Sep 2014 13:16:53 -0700, Alan Young wrote:
>Sam Siegel wrote:
>> My error ... I thought that text units could be added to a dynalloc
>> request. After reading the doc, dynalloc appears to be limited to a subset
>> of svc99 functions.
>>
>> You might
Sam Siegel wrote:
My error ... I thought that text units could be added to a dynalloc
request. After reading the doc, dynalloc appears to be limited to a subset
of svc99 functions.
You might have you use the svc99() function and build your own text units.
You can specify text units in the
My error ... I thought that text units could be added to a dynalloc
request. After reading the doc, dynalloc appears to be limited to a subset
of svc99 functions.
You might have you use the svc99() function and build your own text units.
On Sat, Sep 6, 2014 at 10:04 AM, Phil Smith wrote
Sam Siegel wrote:
>Look at the assembler service guide. Dynalloc () is just a wrapper which
>calls svc99.
Right...we know that. Of course SVC 99 supports this; the question was:
>Does anyone know whether dynalloc() supports FREE=CLOSE,SPIN=UNALLOC?
So I guess we're confused
On Fri, 5 Sep 2014 18:54:59 -0700, Janet Graff wrote:
>I have a Started Task with a log file. I'd like to SPIN off the log files
>from my C program and allow the users to delete them when there is too much
>spool output or the log file is no longer needed.
>
>The C program
Look at the assembler service guide. Dynalloc () is just a wrapper which
calls svc99.
On Sep 5, 2014 6:55 PM, "Janet Graff" <
004dc9e91b6d-dmarc-requ...@listserv.ua.edu> wrote:
> I have a Started Task with a log file. I'd like to SPIN off the log files
> from
I have a Started Task with a log file. I'd like to SPIN off the log files from
my C program and allow the users to delete them when there is too much spool
output or the log file is no longer needed.
The C program is calling dynalloc() to allocate the file but I don't see any
flag
On Sun, 17 Aug 2014 08:17:48 -0500, John McKown wrote:
>On Sun, Aug 17, 2014 at 7:56 AM, Mil Hashoul wrote:
>
>> 03A8 0936 request block extension has a bad format. Corresponding
>> Message: IKJ56231I
>
>My immediate thought is that the library is fine. The problem i
: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On
> Behalf Of Mil Hashoul
> Sent: Sunday, August 17, 2014 2:56 PM
> To: IBM-MAIN@LISTSERV.UA.EDU
> Subject: SYS1.IMAGELIB - dynalloc
>
> Hi,
>
> I am trying to do the dynamical allocation SVC99 for the library
> SYS1.IMA
rom: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf
Of Mil Hashoul
Sent: Sunday, August 17, 2014 2:56 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: SYS1.IMAGELIB - dynalloc
Hi,
I am trying to do the dynamical allocation SVC99 for the library SYS1.IMAGELIB,
and I got the foll
I do not think so, since I use the same code for another datasets and it
work fine;-)
can you share the attributes at your system?
Milad Hashoul
Team Leader
BMC Software
"A ship in the harbor is safe, but that is not what ships are built for"
On Sun, Aug 17, 2014 at 4:17 PM, John McKown
wrote
On Sun, Aug 17, 2014 at 7:56 AM, Mil Hashoul wrote:
> Hi,
>
> I am trying to do the dynamical allocation SVC99 for the library
> SYS1.IMAGELIB, and I got the following RC:
> RC=12 ERR=03A8
> This error means that:
> 03A8 0936 request block extension has a bad format. Corresponding
>
Hi,
I am trying to do the dynamical allocation SVC99 for the library
SYS1.IMAGELIB, and I got the following RC:
RC=12 ERR=03A8
This error means that:
03A8 0936 request block extension has a bad format. Corresponding
Message: IKJ56231I
Any one can send me what is th
In <7754700783082549.wa.paulgboulderaim@listserv.ua.edu>, on
09/18/2013
at 06:06 PM, Paul Gilmartin said:
>Is "in use" synonymous with "open"?
No. From OS/VS2 System Programming Library: Job Management VS2 Release
3, GC28-0627-0:
"Using an Existing Allocation
When successive processes u
Paul Gilmartin wrote:
Is "in use" synonymous with "open"? Squirrely either way. How can
the user control the "in use" status? Does either TSO ALLOCATE
or BPXWDYN provide a keyword?
They are not the same. You can have a dataset closed, allocated to the
step and the in use attribute s
On Wed, 18 Sep 2013 17:10:12 -0400, Shmuel Metz (Seymour J.) wrote:
>
>on 09/18/2013 at 01:52 PM, Thomas Berg said:
>
>>OTOH, there is no dataset in action here. Just a ddname plus the
>>dummy function...
>
>Equivalent to DSN('NULLFILE')
>
>The key point is reusing an allocation that is not marke
In
,
on 09/18/2013
at 01:52 PM, Thomas Berg said:
>OTOH, there is no dataset in action here. Just a ddname plus the
>dummy function...
Equivalent to DSN('NULLFILE')
The key point is reusing an allocation that is not marked as not in
use. That's squirrely even if it's documented somewhere.
> -Original Message-
> From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On
> Behalf Of Shmuel Metz (Seymour J.)
> Sent: Wednesday, September 18, 2013 4:30 AM
> To: IBM-MAIN@LISTSERV.UA.EDU
> Subject: Re: DYNALLOC reusing DUMMY
>
&
In <6532243242202950.wa.paulgboulderaim@listserv.ua.edu>, on
09/17/2013
at 09:41 AM, Paul Gilmartin said:
>You didn't read my code example.
You're right; I didn't notice that the subroutine call was betwwen the
allocate and the unallocate.
25.2.2.4 Using an Existing Allocation to Fulfi
was allocated?
>
You didn't read my code example. Or perhaps you simply don't
understand the meaning of the word "before".
>>Why does DYNALLOC do that?
>
>Because you told it to.
>
No.
-- gil
ce? I'd hardly call that a
usurpation.
>I suppose I could use BPXWDYN 'info ...' before the second call;
>determine whether the returned DD2 was previously allocated,
If you freed it then why would "info" tell you that it was allocated?
>Why does DYNALLOC do tha
/* do other stuff */
> call BPXWDYN 'free DD('DD2')' /* Clean up like a good camper. */
> return( RC )
>
> ... It seems that in the second call to BPXWDYN, DYNALLOC returns the
> same DDNAME for DD2 that it did for DD1. So the "free" u
ther stuff */
call BPXWDYN 'free DD('DD2')' /* Clean up like a good camper. */
return( RC )
... It seems that in the second call to BPXWDYN, DYNALLOC returns the
same DDNAME for DD2 that it did for DD1. So the "free" usurps the
DDNAME in use by the
On Tue, 11 Dec 2012 19:56:39 -0600, Walt Farrell wrote:
>
>Given that it's BPX... wouldn't the MVS-OE mailing list be likely to get you
>closer to the developer at IBM?
>
Well, yes, and I believe "the developer at IBM" doesn't frequent IBM-MAIN,
and I'd expect that John M. knows that.
OTOH, it's
On Mon, 10 Dec 2012 12:04:00 -0600, McKown, John
wrote:
>I double checked and SVC 99 has two keys, DALEXPDT & DALEXPDL, to assign
>expiration dates. It would be very helpful to me if BPXWDYN could use these as
>well because I want the equivalent of EXPDT=99000 for CA-1 to do "catalog
>control
John,
See if you can run TMSUPDTE in your process. TMSUPDTE can update your
expiration dates to CA1. I use it in batch processes rather than use the
CA1 ISPF interface.
Lizette
> -Original Message-
> From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On
Behalf
> Of
A.EDU]
> On Behalf Of Ken Brick
> Sent: Monday, December 10, 2012 9:53 PM
> To: IBM-MAIN@LISTSERV.UA.EDU
> Subject: Re: BPXWDYN missing dynalloc key.
>
> On 11/12/2012 06:23 AM, McKown, John wrote:
> > Good point. My desire is specific: use Co:Z Data Set Pipes' "tod
On 11/12/2012 06:23 AM, McKown, John wrote:
Good point. My desire is specific: use Co:Z Data Set Pipes' "todsn" command to write each
file in a subdirectory onto its own virtual tape. So your considerations for VOL=REF and the like
are not important for my usage needs. And is why I can't easily
t: Monday, December 10, 2012 12:53 PM
> To: IBM-MAIN@LISTSERV.UA.EDU
> Subject: Re: BPXWDYN missing dynalloc key.
>
> Nope. Some years ago, I whined in MVS-OE about lack of RETPD, and it
> was generously provided. But in those days of yore, BPXWDYN support
> was more casual. Nowadays, EXPDT
BPXWDYN because it accepts its parameters via a "-x" switch.
>
>Have I missed something in the documentation?
>
Nope. Some years ago, I whined in MVS-OE about lack of RETPD, and it
was generously provided. But in those days of yore, BPXWDYN support
was more casual. Nowadays, EXPDT
John,
I just looked through the doc and I use BPXWDYN a lot, i do not see any
references to creating dates or checking
Scott ford
www.identityforge.com
Tell me and I'll forget; show me and I may remember; involve me and I'll
understand. - Chinese Proverb
On Dec 10, 2012, at 1:04 PM, "McKown
I double checked and SVC 99 has two keys, DALEXPDT & DALEXPDL, to assign
expiration dates. It would be very helpful to me if BPXWDYN could use these as
well because I want the equivalent of EXPDT=99000 for CA-1 to do "catalog
control" on tapes which I create using BPXWDYN. Well, I'm actually usi
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