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ACLM_$INTRO                       Domain/OS                        ACLM_$INTRO


NAME
     intro - change the protected subsystem privilege level

SYNOPSIS (C)
     #include <apollo/base.h>
     #include <apollo/aclm.h>

SYNOPSIS (Pascal)
     %include '/sys/ins/base.ins.pas';
     %include '/sys/ins/aclm.ins.pas';

SYNOPSIS (FORTRAN)
     %include '/sys/ins/base.ins.ftn'
     %include '/sys/ins/aclm.ins.ftn'

DESCRIPTION
     The aclm_$ (Access Control List Manager) programming calls change the
     protected subsystem privilege level.

     The following is a list of the aclm_$ calls.

                  aclm_$down   deassert subsystem manager rights
                  aclm_$up     assert subsystem manager rights

     These calls are used by subsystem manager programs in Domain/OS pro-
     tected subsystems.  The term "protected subsystem" refers to a set of
     data files and a set of programs that have special access to those files.
     The programs that have special access to the data files in a protected
     subsystem are called the "managers" of the subsystem.  Domain/OS limits
     protected subsystem file access to managers of the subsystem.

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