OpenVMS System Services Reference Manual

Because this decimal number is a word in length, the buffer length field in the item descriptor should specify 2 (bytes).

UAI$_ENCRYPT

When you specify UAI$_ENCRYPT, $SETUAI sets one of the values shown in the following table to identify the encryption algorithm for the primary password.

Symbolic Name	Description
UAI$C_AD_II	Uses a CRC algorithm and returns a longword hash value. It was used in VAX VMS releases prior to Version 2.0.
UAI$C_PURDY	Uses a Purdy algorithm over salted input. It expects a blank-padded user name and returns a quadword hash value. This algorithm was used during VAX VMS Version 2.0 field test.
UAI$C_PURDY_V	Uses the Purdy algorithm over salted input. It expects a variable length user name and returns a quadword hash value. This algorithm was used in VMS releases prior to Version 5.4.
UAI$C_PURDY_S	Uses the Purdy algorithm over salted input. It expects a variable length user name and returns a quadword hash value. This is the current algorithm that the operating system uses for all new password changes.
UAI$C_PREFERED_ALGORITHM	Represents the latest encryption algorithm that the operating system uses to encrypt new passwords. Currently, it equates to UAI$C_PURDY_S. Digital recommends that you use this symbol in source modules.

Because the encryption algorithm is a byte in length, the buffer length field in the item descriptor should specify 1 (byte).

UAI$_ENCRYPT2

When you specify UAI$_ENCRYPT2, $SETUAI sets one of the following values, indicating the encryption algorithm for the secondary password. Refer to the UAI$_ENCRYPT item code for a description of the algorithms.

UAI$C_AD_II
UAI$C_PURDY
UAI$C_PURDY_V
UAI$C_PURDY_S
UAI$C_PREFERED_ALGORITHM

UAI$_ENQLM

When you specify UAI$_ENQLM, $SETUAI sets the lock queue limit.

Because this decimal number is a word in length, the buffer length field in the item descriptor should specify 2 (bytes).

UAI$_EXPIRATION

When you specify UAI$_EXPIRATION, $SETUAI sets, as a quadword absolute time value, the expiration date and time of the account.

Because the absolute time value is a quadword in length, the buffer length field in the item descriptor should specify 8 (bytes).

UAI$_FILLM

When you specify UAI$_FILLM, $SETUAI sets the open file limit.

Because this decimal number is a word in length, the buffer length field in the item descriptor should specify 2 (bytes).

UAI$_FLAGS

When you specify UAI$_FLAGS, $SETUAI sets, as a longword bit vector, the various login flags set for the user.

Each flag is represented by a bit. The $UAIDEF macro defines the following symbolic names for these flags.

Symbol Description

UAI$V_AUDIT All actions are audited.

UAI$V_AUTOLOGIN User can only log in to terminals defined by the Automatic Login facility (ALF).

UAI$V_CAPTIVE User is restricted to captive account.

UAI$V_DEFCLI User is restricted to default command interpreter.

UAI$V_DISACNT User account is disabled.

UAI$V_DISCTLY User cannot use Ctrl/Y.

UAI$V_DISFORCE_PWD_CHANGE User will not be forced to change expired passwords at login.

UAI$V_DISIMAGE User cannot issue the RUN or MCR commands or use the foreign command mechanism in DCL.

UAI$V_DISMAIL Announcement of new mail is suppressed.

UAI$V_DISPWDDIC Automatic checking of user-selected passwords against the system dictionary is disabled.

UAI$V_DISPWDHIS Automatic checking of user-selected passwords against previously used passwords is disabled.

UAI$V_DISRECONNECT User cannot reconnect to existing processes.

UAI$V_DISREPORT User will not receive last login messages.

UAI$V_DISWELCOME User will not receive the login welcome message.

UAI$V_EXTAUTH User is considered to be externally authenticated by his or her LAN Manager user name and password not by the SYSUAF user name and password. The SYSUAF record is still used for checking login restrictions and quotas and for creating the user's OpenVMS process profile.

UAI$V_GENPWD User is required to use generated passwords.

UAI$V_LOCKPWD SET PASSWORD command is disabled.

UAI$V_MIGRATEPWD User's SYSUAF password has been set using AUTHORIZE or SYS$SETUAI and is likely to be inconsistent with the user's LAN Manager password. If password migration is enabled, the system will attempt to update the LAN Manager the next time the user attempts a login.

UAI$V_NOMAIL Mail delivery to user is disabled.

UAI$V_PWD_EXPIRED Primary password is expired.

UAI$V_PWD2_EXPIRED Secondary password is expired.

UAI$V_RESTRICTED User is limited to operating under a restricted account. Clear the CAPTIVE flag (UAI$V_CAPTIVE), if set, before setting the RESTRICTED flag. (See the Security Guide for a description of restricted and captive accounts.)

Symbol	Description
UAI$V_AUDIT	All actions are audited.
UAI$V_AUTOLOGIN	User can only log in to terminals defined by the Automatic Login facility (ALF).
UAI$V_CAPTIVE	User is restricted to captive account.
UAI$V_DEFCLI	User is restricted to default command interpreter.
UAI$V_DISACNT	User account is disabled.
UAI$V_DISCTLY	User cannot use Ctrl/Y.
UAI$V_DISFORCE_PWD_CHANGE	User will not be forced to change expired passwords at login.
UAI$V_DISIMAGE	User cannot issue the RUN or MCR commands or use the foreign command mechanism in DCL.
UAI$V_DISMAIL	Announcement of new mail is suppressed.
UAI$V_DISPWDDIC	Automatic checking of user-selected passwords against the system dictionary is disabled.
UAI$V_DISPWDHIS	Automatic checking of user-selected passwords against previously used passwords is disabled.
UAI$V_DISRECONNECT	User cannot reconnect to existing processes.
UAI$V_DISREPORT	User will not receive last login messages.
UAI$V_DISWELCOME	User will not receive the login welcome message.
UAI$V_EXTAUTH	User is considered to be externally authenticated by his or her LAN Manager user name and password not by the SYSUAF user name and password. The SYSUAF record is still used for checking login restrictions and quotas and for creating the user's OpenVMS process profile.
UAI$V_GENPWD	User is required to use generated passwords.
UAI$V_LOCKPWD	SET PASSWORD command is disabled.
UAI$V_MIGRATEPWD	User's SYSUAF password has been set using AUTHORIZE or SYS$SETUAI and is likely to be inconsistent with the user's LAN Manager password. If password migration is enabled, the system will attempt to update the LAN Manager the next time the user attempts a login.
UAI$V_NOMAIL	Mail delivery to user is disabled.
UAI$V_PWD_EXPIRED	Primary password is expired.
UAI$V_PWD2_EXPIRED	Secondary password is expired.
UAI$V_RESTRICTED	User is limited to operating under a restricted account. Clear the CAPTIVE flag (UAI$V_CAPTIVE), if set, before setting the RESTRICTED flag. (See the Security Guide for a description of restricted and captive accounts.)

UAI$_JTQUOTA

When you specify UAI$_JTQUOTA, $SETUAI sets the initial byte quota with which the jobwide logical name table is to be created.

Because this quota is a longword decimal number, the buffer length field in the item descriptor should specify 4 (bytes).

UAI$_LASTLOGIN_I

When you specify UAI$_LASTLOGIN_I, $SETUAI sets, as a quadword absolute time value, the date of the last interactive login.

UAI$_LASTLOGIN_N

When you specify UAI$_LASTLOGIN_N, $SETUAI sets, as a quadword absolute time value, the date of the last noninteractive login.

UAI$_LGICMD

When you specify UAI$_LGICMD, $SETUAI sets, as an OpenVMS RMS file specification, the name of the default login command file.

Because a file specification can include up to 63 characters plus a size-byte prefix, the buffer length field of the item descriptor should specify 64 (bytes).

UAI$_LOCAL_ACCESS_P

When you specify UAI$_LOCAL_ACCESS_P, $SETUAI sets, as a 3-byte value, the range of times during which local interactive access is permitted for primary days. Each bit set represents a 1-hour period, from bit 0 as midnight to 1 a.m., to bit 23 as 11 p.m. to midnight.

The buffer length field in the item descriptor should specify 3 (bytes).

UAI$_LOCAL_ACCESS_S

When you specify UAI$_LOCAL_ACCESS_S, $SETUAI sets, as a 3-byte value, the range of times during which local interactive access is permitted for secondary days. Each bit set represents a 1-hour period, from bit 0 as midnight to 1 a.m., to bit 23 as 11 p.m. to midnight.

The buffer length field in the item descriptor should specify 3 (bytes).

UAI$_LOGFAILS

When you specify UAI$_LOGFAILS, $SETUAI sets the count of login failures.

Because this decimal number is a word in length, the buffer length field in the item descriptor should specify 2 (bytes).

UAI$_MAXACCTJOBS

When you specify UAI$_MAXACCTJOBS, $SETUAI sets the maximum number of batch, interactive, and detached processes that can be active at one time for all users of the same account. The value 0 represents an unlimited number.

Because this decimal number is a word in length, the buffer length field in the item descriptor should specify 2 (bytes).

UAI$_MAXDETACH

When you specify UAI$_MAXDETACH, $SETUAI sets the detached process limit. The value 0 represents an unlimited number.

Because this decimal number is a word in length, the buffer length field in the item descriptor should specify 2 (bytes).

UAI$_MAXJOBS

When you specify UAI$_MAXJOBS, $SETUAI sets the active process limit. A value of 0 represents an unlimited number.

Because this decimal number is a word in length, the buffer length field in the item descriptor should specify 2 (bytes).

UAI$_NETWORK_ACCESS_P

When you specify UAI$_NETWORK_ACCESS_P, $SETUAI sets, as a 3-byte value, the range of times during which network access is permitted for primary days. Each bit set represents a 1-hour period, from bit 0 as midnight to 1 a.m., to bit 23 as 11 p.m. to midnight.

The buffer length field in the item descriptor should specify 3 (bytes).

UAI$_NETWORK_ACCESS_S

When you specify UAI$_NETWORK_ACCESS_S, $SETUAI sets, as a 3-byte value, the range of times during which network access is permitted for secondary days. Each bit set represents a 1-hour period, from bit 0 as midnight to 1 a.m., to bit 23 as 11 p.m. to midnight.

The buffer length field in the item descriptor should specify 3 (bytes).

UAI$_OWNER

When you specify UAI$_OWNER, $SETUAI sets, as a character string, the name of the owner of the account.

Because the owner name can include up to 31 characters plus a size-byte prefix, the buffer length field of the item descriptor should specify 32 (bytes).

UAI$_PASSWORD

When you specify UAI$_PASSWORD, $SETUAI sets the specified plaintext string as the primary password for the user and updates the primary password change date. You must have SYSPRV privilege to set passwords for any user account (including your own).

The UAI$_PASSWORD and UAI$_PASSWORD2 item codes provide the building blocks for designing a site-specific SET PASSWORD utility. Note that if you create such a utility, you should also set the LOCKPWD bit in the user authorization file (UAF) to prevent users from using the DCL command SET PASSWORD and to prevent the LOGINOUT process from forcing password changes. If you create a site-specific SET PASSWORD utility, install the utility with SYSPRV privilege.

You must adhere to the following guidelines when specifying a password with UAI$_PASSWORD or UAI$_PASSWORD2:

The password must meet the minimum password length defined for the user account.
The password cannot exceed 32 characters in length.
The password must be different from the previous password.

To clear the primary password, specify the value 0 in the buffer length field.

When you use $SETUAI to change the password on an account that has the UAI$V_EXTHAUTH flag set, the UAI$V_MIGRATEPWD flag is set automatically.

UAI$_PASSWORD2

When you specify UAI$_PASSWORD2, $SETUAI sets the specified plaintext string as the secondary password for the user and updates the secondary password change date. You must have SYSPRV privilege to set passwords for any user account (including your own).

To clear the secondary password, specify the value 0 in the buffer length field.

UAI$_PBYTLM

When you specify UAI$_PBYTLM, $SETUAI sets the paged buffer I/O byte count limit.

Because the paged buffer I/O byte count limit is a longword decimal number, the buffer length field in the item descriptor should specify 4 (bytes).

UAI$_PGFLQUOTA

When you specify UAI$_PGFLQUOTA, $SETUAI sets, in pages (on VAX systems) or pagelets (on Alpha systems), the paging file quota.

Because the paging file quota is a longword decimal number, the buffer length field in the item descriptor should specify 4 (bytes).

UAI$_PRCCNT

When you specify UAI$_PRCCNT, $SETUAI sets the subprocess creation limit.

Because this decimal number is a word in length, the buffer length field in the item descriptor should specify 2 (bytes).

UAI$_PRI

When you specify UAI$_PRI, $SETUAI sets the default base priority.

Because this decimal number is a byte in length, the buffer length field in the item descriptor should specify 1 (byte).

UAI$_PRIMEDAYS

When you specify UAI$_PRIMEDAYS, $SETUAI sets, as a longword bit vector, the primary and secondary days of the week.

Each bit represents a day of the week, with the bit clear representing a primary day and the bit set representing a secondary day. The $UAIDEF macro defines the following symbolic names for these bits:

UAI$V_MONDAY
UAI$V_TUESDAY
UAI$V_WEDNESDAY
UAI$V_THURSDAY
UAI$V_FRIDAY
UAI$V_SATURDAY
UAI$V_SUNDAY

UAI$_PRIV

When you specify UAI$_PRIV, $SETUAI sets, as a quadword value, the names of the privileges that the user holds.

Because the privileges are set as a quadword value, the buffer length field in the item descriptor should specify 8 (bytes).

UAI$_PWD

When you specify UAI$_PWD, $SETUAI sets, as a quadword value, the hashed primary password of the user.

Because the hashed primary password is set as a quadword value, the buffer length field in the item descriptor should specify 8 (bytes).

When you use $SETUAI to change the password on an account that has the UAI$V_EXTHAUTH flag set, the UAI$V_MIGRATEPWD flag is set automatically.

UAI$_PWD_DATE

When you specify UAI$_PWD_DATE, $SETUAI sets, as a quadword absolute time value, the date of the last password change.

Because this value is a quadword in length, the buffer length field in the item descriptor should specify 8 (bytes).

A value of --1 indicates that the password could be marked as preexpired.

UAI$_PWD_LENGTH

When you specify UAI$_PWD_LENGTH, $SETUAI sets the minimum password length.

Because this decimal number is a byte in length, the buffer length field in the item descriptor should specify 1 (byte).

UAI$_PWD_LIFETIME

When you specify UAI$_PWD_LIFETIME, $SETUAI sets, as a quadword delta time value, the password lifetime.

Because this value is a quadword in length, the buffer length field in the item descriptor should specify 8 (bytes).

A quadword of 0 means that none of the password mechanisms will take effect.

UAI$_PWD2

When you specify UAI$_PWD2, $SETUAI sets, as a quadword value, the hashed secondary password of the user.

Because the hashed secondary password is set as a quadword value, the buffer length field in the item descriptor should specify 8 (bytes).

UAI$_PWD2_DATE

When you specify UAI$_PWD2_DATE, $SETUAI sets, as a quadword absolute time value, the last date the secondary password was changed.

Because this value is a quadword in length, the buffer length field in the item descriptor should specify 8 (bytes).

A value of --1 indicates that the password could be marked as preexpired.

UAI$_QUEPRI

When you specify UAI$_QUEPRI, $SETUAI sets the maximum job queue priority in the range 0 through 31.

Because this decimal number is a byte in length, the buffer length field in the item descriptor should specify 1 (byte).

UAI$_REMOTE_ACCESS_P

When you specify UAI$_REMOTE_ACCESS_P, $SETUAI sets, as a 3-byte value, the range of times during which batch access is permitted for primary days. Each bit set represents a 1-hour period, from bit 0 as midnight to 1 a.m., to bit 23 as 11 p.m. to midnight.

The buffer length field in the item descriptor should specify 3 (bytes).

UAI$_REMOTE_ACCESS_S

When you specify UAI$_REMOTE_ACCESS_S, $SETUAI sets, as a 3-byte value, the range of times during which batch access is permitted for secondary days. Each bit set represents a 1-hour period, from bit 0 as midnight to 1 a.m., to bit 23 as 11 p.m. to midnight.

The buffer length field in the item descriptor should specify 3 (bytes).

UAI$_SALT

When you specify UAI$_SALT, $SETUAI sets the salt field of the user's record to the value you provide. The salt value is used in the operating system hash algorithm to generate passwords. $SETUAI does not generate a new salt value for you.

Because this decimal number is a word in length, the buffer length field in the item descriptor should specify 2 (bytes).

By copying the item codes UAI$_SALT, UAI$_ENCRYPT, UAI$_PWD, UAI$_PWD_DATE, and UAI$_FLAGS, a site-security administrator can construct a utility that propagates password changes throughout the network. Note, however, that Digital does not recommend using the same password on more than one node in a network.

UAI$_SHRFILLM

When you specify UAI$_SHRFILLM, $SETUAI sets the shared file limit.

Because this decimal number is a word in length, the buffer length field in the item descriptor should specify 2 (bytes).

UAI$_TQCNT

When you specify UAI$_TQCNT, $SETUAI sets the timer queue entry limit.

Because this decimal number is a word in length, the buffer length field in the item descriptor should specify 2 (bytes).

UAI$_UIC

When you specify UAI$_UIC, $SETUAI sets, as a longword, the user identification code (UIC). For the format of the UIC, see the Security Guide.

UAI$_USER_DATA

When you specify UAI$_USER_DATA, $SETUAI sets up to 255 bytes of information in the user data area of the system user authorization file (SYSUAF). This is the supported method for modifying the user data area of the SYSUAF. Digital no longer supports direct user modification of the SYSUAF.

To clear all the information in the user data area of the SYSUAF, specify $SETUAI with a buffer length field of 0.

UAI$_WSEXTENT

When you specify UAI$_WSEXTENT, $SETUAI sets the working set extent, in pages (on VAX systems) or pagelets (on Alpha systems), specified for the specified job or queue.

Because the working set extent is a longword decimal number, the buffer length field in the item descriptor should specify 4 (bytes).

UAI$_WSQUOTA

When you specify UAI$_WSQUOTA, $SETUAI sets the working set quota, in pages (on VAX systems) or pagelets (on Alpha systems), for the specified user.

Because the working set quota is a longword decimal number, the buffer length field in the item descriptor should specify 4 (bytes).

DESCRIPTION

The Set User Authorization Information service is used to modify the user authorization file (UAF) record for a specified user.
Required Access or Privileges

The following list describes the privileges you need to use the $SETUAI service:

BYPASS or SYSPRV---Allows modification of any record in the UAF (user authorization file).
GRPPRV---Allows modification of any record in the UAF whose UIC group matches that of the requester. Note, however, that you cannot change a UAF record whose UIC matches exactly the requester's UIC. Group managers with GRPPRV privilege are limited in the extent to which they can modify the UAF records of users in the same group; values such as privileges and quotas can be changed only if the modification does not exceed the values set in a group manager's UAF record.
No privilege---Does not allow access to any UAF record.

Required Quota

None
Related Services

$GETUAI

Condition Values Returned

SS$_NORMAL The service completed successfully.

SS$_ACCVIO The item list or input buffer cannot be read by the caller; or the return length buffer, output buffer, or status block cannot be written by the caller.

SS$_BADPARAM The function code is invalid; the item list contains an invalid item code; a buffer descriptor has an invalid length; or the reserved parameter has a nonzero value.

SS$_NOGRPPRV The user does not have the privileges required to modify the authorization information for other members of the UIC group.

SS$_NOSYSPRV The user does not have the privileges required to modify the authorization information associated with the user or for users outside of the user's UIC group.

RMS$_RSZ The UAF record is smaller than required; the caller's SYSUAF is likely corrupt.

This service can also return OpenVMS RMS status codes associated with operations on indexed files. For a description of RMS status codes that are returned by this service, refer to the OpenVMS Record Management Services Reference Manual.

$SETUP_AVOID_PREEMPT

Performs initial setup for process preemption avoidance.

Format

SYS$SETUP_AVOID_PREEMPT enable

C Prototype

int sys$setup_avoid_preempt (int enable);

ARGUMENTS

enable

OpenVMS usage: longword_unsigned

type: longword (unsigned)

access: read only

mechanism: by value

Enables or disables preemption avoidance. If the enable argument is set to 1, preemption avoidance is enabled; if 0, preemption avoidance is disabled.

DESCRIPTION

The Setup for Process Preemption Avoidance service is a kernel-mode initialization routine that locks the necessary internal data structures in memory so scheduling routines can access them above pageable IPL. A process or thread can then set or clear the indicator bit by calling the $AVOID_PREEMPT service.
In addition, if the process or thread has ALTPRI privilege, $SETUP_AVOID_PREEMPT sets a bit in the PKTA (a per-kernel-thread data area) to mark that the process or thread can prevent preemption by other processes or threads having the same base priority but not those that have a higher base priority.
Note that without ALTPRI, this service will still function successfully, but will only enable the $AVOID_PREEMPT service to avoid preemptions due to quantum end.
Required Access or Privileges

None
Required Quota

None
Related Services

$AVOID_PREEMPT

Condition Values Returned

SS$_NORMAL The service completed successfully.

Also, any values returned by the $LKWSET or $UNLKSET services.

$SET_IMPLICIT_AFFINITY (Alpha Only)

On Alpha systems, controls or retrieves the activation state for the implicit affinity system capability of a specific kernel thread or of the global process default.
This service accepts 64-bit addresses.

Format

SYS$SET_IMPLICIT_AFFINITY [pidadr] [,prcnam] [,state] [,cpu_id] [,prev_mask]

C Prototype

int sys$set_implicit_affinity (unsigned int *pidadr, void *prcnam, struct _generic_64 *state, int cpu_id, struct _generic_64 *prev_mask);

ARGUMENTS

pidadr

OpenVMS usage: process_id

type: longword (unsigned)

access: read only

mechanism: by 32- or 64-bit reference

Process identification (PID) of a kernel thread whose implicit affinity is to be modified or returned. The pidadr argument is the 32- or 64-bit address of a longword that contains the PID.
Process selection is made through a combination of the pidadr and prcnam arguments. If neither are specified or if both have a zero value, the service operations are made to the user capability mask of the current kernel thread of the current calling process. The pidadr argument takes precedence over the prcnam argument where both are supplied in the service call.
If the bit constant CAP$M_IMPLICIT_DEFAULT_ONLY is specified in the state argument, then the implicit affinity state portion of the default capability mask is modified or returned instead.
prcnam

OpenVMS usage: process_name

type: character-coded text string

access: read only

mechanism: by 32- or 64-bit descriptor--fixed-length string descriptor

Process name of the process whose implicit affinity capability state is to be modified or returned. The prcnam argument is the 32- or 64-bit address of a character string descriptor pointing to the process name string. A process can be identified with a 1- to 15-character string. The service operations are made to the user capability mask of the initial thread of the specified process.
If pidadr and prcnam are both specified, then pidadr is modified or returned and prcnam is ignored. If neither argument is specified, then the context of the current kernel thread of the calling process is modified or returned.
state

OpenVMS usage: mask_quadword

type: quadword (unsigned)

access: read only

mechanism: by 32- or 64-bit reference

State options that can be selected for the affected thread's implicit affinity. The state argument is a pointer to a quadword bit vector wherein a bit corresponds to a requested state for the implicit affinity feature. Only the bits specified below are used; the remainder of the quadword bits are reserved.
Each option (bit) has a symbolic name, defined in the $CAPDEF macro. The state argument is constructed by performing a logical OR operation using the symbolic names of each desired option. The following table describes the symbolic name of each option.

Symbolic Name Description

CAP$M_IMPLICIT_DEFAULT_ONLY Indicates the specified operations are to be performed on the global cell instead of on a specific kernel thread. This bit supersedes any individual kernel thread specified in pidadr or prcnam. Specifying this bit constant applies the implicit affinity operations to all newly created processes.

CAP$M_IMPLICIT_AFFINITY_SET Indicates that the implicit affinity capability bit is to be set for the specified kernel thread. This is mutually exclusive with CAP$M_IMPLICIT_AFFINITY_CLEAR.

CAP$M_IMPLICIT_AFFINITY_CLEAR Indicates that the implicit affinity capability bit is to be cleared for the specified kernel thread. This is mutually exclusive with CAP$M_IMPLICIT_AFFINITY_SET.

cpu_id

OpenVMS usage: longword

type: longword (unsigned)

access: read only

mechanism: by value

Identifier of the CPU requested as the first CPU on which this kernel thread is to execute. The cpu_id is a longword containing this number, which is in the supported range of individual CPUs from 0 to SYI$_MAX_CPUS - 1 .
If no explicit CPU is needed, specifying a value of -1 in this argument indicates the system is to select the initial association based on system dynamics and load balancing.

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SS$_NORMAL	The service completed successfully.
SS$_ACCVIO	The item list or input buffer cannot be read by the caller; or the return length buffer, output buffer, or status block cannot be written by the caller.
SS$_BADPARAM	The function code is invalid; the item list contains an invalid item code; a buffer descriptor has an invalid length; or the reserved parameter has a nonzero value.
SS$_NOGRPPRV	The user does not have the privileges required to modify the authorization information for other members of the UIC group.
SS$_NOSYSPRV	The user does not have the privileges required to modify the authorization information associated with the user or for users outside of the user's UIC group.
RMS$_RSZ	The UAF record is smaller than required; the caller's SYSUAF is likely corrupt.

OpenVMS usage:	longword_unsigned
type:	longword (unsigned)
access:	read only
mechanism:	by value

OpenVMS usage:	process_id
type:	longword (unsigned)
access:	read only
mechanism:	by 32- or 64-bit reference

OpenVMS usage:	process_name
type:	character-coded text string
access:	read only
mechanism:	by 32- or 64-bit descriptor--fixed-length string descriptor

OpenVMS usage:	mask_quadword
type:	quadword (unsigned)
access:	read only
mechanism:	by 32- or 64-bit reference

Symbolic Name	Description
CAP$M_IMPLICIT_DEFAULT_ONLY	Indicates the specified operations are to be performed on the global cell instead of on a specific kernel thread. This bit supersedes any individual kernel thread specified in pidadr or prcnam. Specifying this bit constant applies the implicit affinity operations to all newly created processes.
CAP$M_IMPLICIT_AFFINITY_SET	Indicates that the implicit affinity capability bit is to be set for the specified kernel thread. This is mutually exclusive with CAP$M_IMPLICIT_AFFINITY_CLEAR.
CAP$M_IMPLICIT_AFFINITY_CLEAR	Indicates that the implicit affinity capability bit is to be cleared for the specified kernel thread. This is mutually exclusive with CAP$M_IMPLICIT_AFFINITY_SET.

OpenVMS usage:	longword
type:	longword (unsigned)
access:	read only
mechanism:	by value