I don't feel a whole lot of need to answer this, as TCBECB is not a programming interface so you should not be relying on the contents of that field or current system behavior in regard to that field.
But, for what it's worth, it is definitely the case that the normal system processing of "detach" happens to set TCBECB to 0 after posting the attacher's ECB.. Also, in case you weren't aware, an ETXR gets control after the attached task has completed termination. That means that all task-related storage owned by that task has been freed. Peter Relson z/OS Core Technology Design ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
