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VMS Help SET, PROCESS, Qualifiers, /CAPABILITY *Conan The Librarian |
/CAPABILITY
/NOCAPABILITY
Allows bits in the process user capability mask to be set or
cleared individually, in groups, or all at once. This qualifier
is mutually exclusive with the /AFFINITY qualifier.
NOTE
The SET PROCESS/[NO]CAPABILITY command fails if there is no
CPU with the required set of capabilities.
The /NOCAPABILITY qualifier clears all user capability bits
currently set in the current or permanent capability masks,
based on the setting of the /PERMANENT qualifier. Specifying the
/CAPABILITY qualifier has no direct effect, but merely indicates
the target of the operations specified by the following secondary
qualifiers:
/SET=(n[,..Sets all user capabilities defined by the position
values n, where n has the range of 1 to 16.
/CLEAR=(n[,Clears all user capabilities defined by the position
values n, where n has the range of 1 to 16.
/PERMANENT Performs the operation on the permanent user capability
mask as well as the current user capability mask,
making the changes valid for the life of the kernel
thread. (The default behavior is to affect only the
capabilities mask for the running image.)
The secondary qualifiers can all be used at once as long as the
user capability bits defined in the /SET and /CLEAR parameters do
not overlap.
The privileges required to execute the SET PROCESS/CAPABILITY
command match those required by the $PROCESS_CAPABILITIES system
service. ALTPRI is the base privilege required to make any
modifications, and the only privilege required to modify the
current owner's kernel thread. Modifications within the same UIC
group require GROUP privilege. Modifications to any unrelated
kernel thread require WORLD privilege.
As with the other SET PROCESS qualifiers, the bit operations
occur on the current process if no /IDENTIFICATION qualifier
or explicit process name parameter is specified. Specifying a
process name does not imply that all kernel threads associated
with the process are affected; the SET PROCESS command affects
only the initial kernel thread of a multithreaded process.
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