So my question is where do I find a example of a pipe call and retrieve ...this would help me
On Tue, Aug 29, 2017 at 1:45 PM scott Ford <idfli...@gmail.com> wrote: > Gil, > Can u talk off list ? > > On Tue, Aug 29, 2017 at 12:57 PM Paul Gilmartin < > 0000000433f07816-dmarc-requ...@listserv.ua.edu> wrote: > >> On 2017-08-29, at 10:37, scott Ford wrote: >> > >> > I was reading through IBM Unix services manuals and have a pipe >> question.. >> > If I as a STC ..issue a Unix command after a PIPE was established and >> > retrieve output of the >> > command, i *think* the answer is "yes". If so in a Single Thread STC >> would >> > the STC wait for the response ?? or does it depend on your code..I am >> > dealing with LE Cobol and want to utilize the nice features of Unix >> which i >> > am somewhat familiar. >> > >> Many questions: >> >> How are you creating the pipe? Named or unnamed? >> >> How are you issuing the UNIX command? >> >> Is it a shell command? >> >> Did you put it in background with the '&' operator? >> >> Are you reading the output with a nonblocking read? >> >> Are you depending on the system buffer (131kB, I believe) >> to circumvent deadlock? >> >> Are you using select() to be notified of available output? >> >> Did you close the input end of the pipe in the parent process >> space in order to be able to detect end of information? >> >> Are you using waitpid() on the child? >> >> -- gil >> >> ---------------------------------------------------------------------- >> For IBM-MAIN subscribe / signoff / archive access instructions, >> send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN >> > -- > Scott Ford > IDMWORKS > z/OS Development > -- Scott Ford IDMWORKS z/OS Development ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
