SetGlobal (Subsystem subroutine): Difference between revisions

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<li>It is not an error to set a global that is not set.
<li>It is not an error to set a global that is not set.
<li>The <var>Subsystem</var> class <var>SetGlobal</var> sets the global for the current <var>subsystem</var> context (indicated by <var>[[Context_(Subsystem_property)|Context]]</var>).
<li>The <var>Subsystem</var> class <var>SetGlobal</var> sets the global for the current <var>subsystem</var> context (indicated by <var>[[Context_(Subsystem_property)|Context]]</var>).
<li>Like <var>[[$Setg_Subsys]]</var>, the <var>SetGlobal</var> method momentarily turns off multi-processing, so should not be used heavily in an <var class="product">MP/204</var> environment.
<li>Like <var>[[$Setg_Subsys]]</var>, <var>SetGlobal</var> momentarily turns off multi-processing, so should not be used heavily in an <var class="product">MP/204</var> environment.  <var>[[SetString_(Subsystem_function)|SetString]]</var> does not suffer this limitation and should be used in these situations.
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Revision as of 05:45, 25 March 2011

Set a subsystem global (Subsystem class)

The SetGlobal shared subroutine sets a Subsystem global.

Syntax

%(Subsystem):SetGlobal( name, value)

Syntax terms

%(Subsystem) The class name in parentheses denotes a shared method. SetGlobal can also be invoked via a Subsystem object variable, which may be null.
name A string that identifies the global to be set.
value A string that identifies the new value for the global.

Usage notes

  • All errors result in request cancellation.
  • It is not an error to set a global that is not set.
  • The Subsystem class SetGlobal sets the global for the current subsystem context (indicated by Context).
  • Like $Setg_Subsys, SetGlobal momentarily turns off multi-processing, so should not be used heavily in an MP/204 environment. SetString does not suffer this limitation and should be used in these situations.

See also

  • The setGlobal method, in the Subsystem class, performs a function identical to the $setg_subsys function. That is, the following two statements are identical:

    %(subsystem):setGlobal('PHLEGMATIC', 'STOLID') %setg_subsys('PHLEGMATIC', 'STOLID')

  • For more information about subsystem globals, see “Subsystem globals and strings”.