On 17 January 2013 14:12, Mark Henderson <[email protected]> wrote: > Can someone explain to me the apparent contradiction in the following two > pieces of information ? > > From the serialization section of SYS1.MACLIB(IHARB): > If the task is not running and the local lock is held, the RB chain will not > change. > > From APAR PQ81630: > PQ76702 introduced code for MVSTCB TCB statistics. DFHDSMT calls > DFHDSAUT for these statistics in routine CREATE_SNAPSHOT. > DFHDSAUT will loop in routine TCB_SCAN due to not serializing > the RB chain. A MVS local lock is not enough to serialize the > RB chain.
Perhaps you're not seeing the "and" in the first quote? Tony H. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
