Callable services

Table 1 lists the new and changed z/OS® UNIX callable services. For details, see z/OS UNIX System Services Programming: Assembler Callable Services Reference.
Table 1. Summary of new and changed callable services
Callable service Release Description Reason for change
BPX1CCS z/OS V1R13 Updated: Expand the BPXYCCA macro used by BPX1CCS to map the MsgAttributes parameter to include both supplied and returned CART/ConsoleID fields. The user-supplied CART/ConsoleID fields allow a user to identify the console used by WTO to issue messages.
BPX1CPL z/OS V2R1 Updated: Two new values were added to the FunctionCode parameter. Flash memory enhancement
BPX1EXC, BPX4EXC z/OS V2R1 Updated: An usage note was added. Logging off unattended terminals
BPX1FCT, BPX4FCT z/OS V2R1 Updated: The SetCvtOff and SetCvtAll subcommands were updated. Unicode exploitation
BPX1FSY, BPX4FSY z/OS V2R1 Updated: The usage notes were updated with Unicode Services information. Unicode exploitation
BPX1GTH, BPX4GTH z/OS V2R1 Updated: A new usage note was added. Pipes enhancement
z/OS V2R2 Updated: A new usage note was added about using the _BPXK_GPSENT_SECURITY=THREAD environment variable. Security enhancement
BPX1LSK, BPX4LSK z/OS V2R1 Updated: The usage notes were updated with Unicode Services information. Unicode exploitation
BPX1PTR, BPX4PTR z/OS V2R1 Updated:
  • New constant options (PT_READ_VR, PT_WRITE_VR) were added for the ptrace request parameter.
  • New parameter attributes (PT_READ_VR, PT_WRITE_VR) were added for request options.
  • New return values and return codes (PT_READ_VR, PT_WRITE_VR) were added for the request options.
Vector registers support
BPX1RED, BPX4RED z/OS V2R1 Updated: The usage notes were updated with Unicode Services information. Unicode exploitation
Start of changeBPX1SMF, BPX4SMFEnd of change Start of changez/OS V2R2End of change Start of changeUpdated: With APAR OA48775, the smf_record callable services was updated with information about the BPX.SMF.type.subtype resource profile in the FACILITY class.End of change Start of changeAPAR OA48775 (SMF Record Type and Subtype Authorization for UNIX System Services Write an SMF Record)End of change
BPX1SPN, BPX4SPN z/OS V2R1 Updated: An usage note was added. Logging off unattended terminals