Parameters

Work_area

The name of a 1024-byte work area for SAF and RACF® usage. The work area must be in the primary address space.

ALET

The name of a word containing the ALET for the following parameter. Each parameter must have an ALET specified. Each ALET can be different. The words containing the ALETs must be in the primary address space.

SAF_return_code

The name of a fullword in which the SAF router returns the SAF return code.

RACF_return_code

The name of a fullword in which the service routine stores the return code.

RACF_reason_code

The name of a fullword in which the service routine stores the reason code.

Function_code

The name of a 1-byte area containing the function code:

X'01': Check Owner for Remove ID
X'02': Check Owner and Set
X'03': Check Superuser and Set

Owner_UID

The name of a 4-byte area containing the new owner's UID to be set.

Owner_GID

The name of a 4-byte area containing the new owner's GID to be set.

Mode_Permissions

The name of a 4-byte area containing the new mode permission bits to be set. The following is a list of defined permission bits mapped by BPXYMODE:

S_IRUSR: Permits the process that owns the IPC member to read it.
S_IWUSR: Permits the process that owns the IPC member to alter it.
S_IRGRP: Permits the group associated with the IPC member to read it.
S_IWGRP: Permits the group associated with the IPC member to alter it.
S_IROTH: Permits others to read the IPC member.
S_IWOTH: Permits others to alter the IPC member.

Alter and write have the same meaning for access checks. Alter applies to semaphores, and write applies to message queueing and shared memory segments.

ISP

The name of the IISP for the file being accessed.

CREDIPC

The name of the CREI structure for the current IPC system callable service. The CREI contains the IPC identifier and the IPC key. See z/OS Security Server RACF Data Areas.