Great I will look On Mon, Nov 25, 2019 at 5:38 PM Jon Perryman <[email protected]> wrote:
> > > On Monday, November 18, 2019, 05:56:09 AM PST, scott Ford < > [email protected]> wrote: > > > My chief complaint is samples. > > I spend a lot of time digging for examples. > > > Working examples which I can refer to and understand > > > (prototype) before I start writing code. > > CBTTAPE.ORG has tons of real world code. There is probably a variation on > your request there but you will need to think creatively to find it. Since > you wanted an exit that issues a WTO then look at IEFACTRT. This > implementation will not work in every exit. > > Samples need to be generic with very little risk. A sample WTO in an exit > could easily be misconstrued or unfit for your intended use. > > > When to use the execute form of the macro vs list, > > MF= is common and rarely deviates from the accepted standard. MF=(E,label) > creates the executable code and belongs in your code where you want to > execute the functionality. Think of it as the instruction. > > MF=L is the problem. Think of this as a DC instruction to reserve storage. > Using MF=L in your CSECT makes your program non-reentrant. Using MF=L in > your workarea DSECT makes your program reentrant but loses the constant > initializer (initializes with X'00'). To be reentrant, it must occur in > your CSECT and workarea DSECT. You must copy from the CSECT to the workarea > DSECT and make sure the alignment is correct. You must also ensure the > pointers are correct. Some programs skip the copy from CSECT to DSECT but > they are at risk. > > Jon. > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN > -- Scott Ford IDMWORKS z/OS Development ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
