z/OS Language Environment Customization
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Enclaves eligible for automatic storage tuning

z/OS Language Environment Customization
SA38-0685-00

When running with Language Environment automatic storage tuning for CICS®, the actual storage tuning is performed for Language Environment® enclaves when one of the following conditions is met:
  • The main program is not link-edited with a CEEUOPT.
  • The main program is link-edited with a CEEUOPT, and the CEEUOPT does not specify values for any of the following runtime options: STACK, LIBSTACK, HEAP, BELOWHEAP or ANYHEAP.
Note:
  1. A CEEUOPT is present in C/C++ main programs that use #pragma runopts when one of the following compilers were used: z/OS® XL C/C++, OS/390® C/C++, C/C++ Compiler for MVS/ESA, or AD/Cycle C/370™.
  2. A CEEUOPT is present in PL/I main programs that use PLIXOPT when one of the following compilers are used: Enterprise PL/I or PL/I for MVS™ & VM.

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