> Re: [MVS-OE] Can one cause pthread_create / BPXPTATT / BPXINLPA to > have SVAREA=YES ? > > Sent by: > > IBM Mainframe Discussion List <IBM-MAIN@bama.ua.edu> > > On Sun, 29 Jan 2012 16:19:32 -0500 Duane Hughes <dchug...@us.ibm.com> wrote: > > :>> It seems that pthread_create under zOS1.11 does not establish an FSA. Is > :>there > :>> some option to force it? > > :>There is no option that tells the pthread_create service to do the ATTACH > :>with a save area. > > Thanks, Duane. > > It appears that in zOS1.9 there was an FSA. > > At any rate, would the "Post-process initiation exit (BPX_POSPROC_INIT)" get > control in the right place?
The ATTACH for pthread TCBs was changed to specify SVAREA=NO in z/OS 1.10. The 152 bytes (144 for the FSA + 8 for LE anchor) below 16MB was a significant contributor to virtual storage constraints when running a large number of pthreads. Jim Mulder z/OS System Test IBM Corp. Poughkeepsie, NY ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: INFO IBM-MAIN
