ILE COBOL Programmer's Guide

Language Restrictions under THREAD

When THREAD(SERIALIZE) is in effect, the following language elements are not supported and are flagged by the compiler with a severe error message (of severity 30):

Use of DDM data areas is not allowed in a multithreaded environment.

It is recommended that you do not use UPSI switches in a multithreaded environment, since it is possible for one thread to set a switch and another thread to set it again before the first thread has checked it.


[ Top of Page | Previous Page | Next Page | Table of Contents | Index ]