The main changes with respect to the previous version are listed below:
New functions in DSSM V4.3C
DSSM V4.3 supports X86E architectures.
The command /REMOVE-SUBSYSTEM allows you to remove a „BY-SLICE“subsystem and to add a new version.
The command has been extended with a new MEMORY-TYPE parameter because, until now, the / RELEASE-SUBSYSTEM-SPACE only allows address space reserved for unprivileged subsystems but has not reserved address space for BY-SLICE subsystems.
The number of BY-SLICE subsystems is increasing, the reserved address space is getting bigger and could cause problems when trying to load a large program.Therefore, the command / RELEASE-SUBSYSTEM-SPACE should also be able to release address space reserved by BY-SLICE subsystems.
Support of message BLS0540
When the system runs with BLSSEC, it may happens that a data security check failure is detected and the message BLS0540 sent. In that case DSSM receives a special return code from BLS at subsystem code loading. This return code is processed by DSSM so that the subsystem creation is terminated abnormally and the subsystem status is reset to "NOT CREATED".