The following run-time tunables are available:
| arguments_are_initial | Affects the COBOL command line arguments returned from the syntax ACCEPT ... FROM ARGUMENT-NUMBER and ACCEPT ... FROM ARGUMENT-VALUE |
| cobconfig_error_report | Specifies whether any errors detected during the processing of the configuration file are reported |
| command_line_accept | Specifies whether the first ACCEPT or READ from STDIN takes the input from the command line |
| command_line_linkage | Enables you to pass a command line to the main program |
| core_on_error | Specifies in what circumstances a core file is produced |
| current_day | Specifies the day of the month required to be returned |
| current_hour | Specifies the hour of the day required to be returned |
| current_minute | Specifies the minute of the hour required to be returned |
| current_month | Specifies the month of the year required to be returned |
| current_second | Specifies the second of the minute required to be returned |
| current_year | Specifies the year required to be returned |
| datewarp_dynamic | Specifies whether the values specified by the current_day, current_month, and current_year tunables return static or "rolling" values |
| debug_on_error | Specifies whether to enable just-in-time debugging |
| debugger_command | Specifies the command to start the debugger when just-in-time debugging is enabled |
| default_cancel_mode | Specifies whether logical or physical cancels are used |
| Specifies the maximum size of memory to be allocated dynamically at run time for use by virtual heaps | |
| entry_point_mapper | Specifies whether entry point mapping support is to be enabled |
| entry_point_mapper_alias_exists_error | Specifies whether the Entry Point Mapping facility causes a run-time system error COBRT198 ("Load failure") when a program with the same name as an alias definition is found on disk. |
| entry_point_mapper_search_order | Specifies whether to use entry point mapping to look for programs before or after searching for the programs on disk |
| Control whether an RTS 119 error is generated when an attempt is made to load a program containing a duplicate entry-point. | |
| faultfind_config | Controls the inclusion of program memory data in the Faultfinder output file |
| faultfind_level | Turns on FaultFinder reporting |
| faultfind_outfile | Specifies the filename to which a FaultFinder report is written |
| faultfind_recsize | Specifies the internal cache size used to store FaultFinder trace operations |
| Specifies the escape character used when interpreting filenames provided to the run-time system in calls such as CBL_OPEN_FILE | |
| Specifies the quotation character used when interpreting filenames provided to the run-time system in calls such as CBL_OPEN_FILE | |
| intra_process_record_locking | Specifies whether the run-time system can share a file and set record locks against a file within a process |
| lock_mode | Selects the locking implementation to be used |
| mainframe_floating_point | Specifies whether mainframe floating-point emulation is required |
| memory_free_check_size | Specifies the size of the freed memory check array |
| memory_strategy | Sets a memory management strategy |
| mfpm_access_cancelled_data | Specifies whether the Working-Storage Sections of AMODE programs that have been canceled continue to be addressable |
| mfpm_external_data31 | Specifies whether external data items are registered with Mainframe Pointer Manager (MFPM) above or below the 16 Mb line |
| mfpm_logging | Specifies whether Mainframe Pointer Manager (MFPM) events are to be traced |
| Enables you to reduce the time the run-time system takes to initialize if your project or application does not execute remote programs. | |
| profile_behavior | Specifies the behavior of the Profiler with regard to the counting of time spent in called programs |
| program_search_intgnt | Changes the order of file extensions in which the run-time system searches for program files |
| program_search_order | Changes the order in which the run-time system searches locations for program files |
| Specifies whether the run-time system treats input from a STDIN stream as record sequential or line sequential | |
| shared_memory_segment_size | Specifies the initial size of the shared memory block allocated by the run-time system |
| signal_regime | Specifies whether or not the run-time system is to use its own signal handlers |
| timewarp_dynamic | Specifies whether the values specified by the current_hour, current_minute, and current_second tunables return static or "rolling" values |
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