$DaemonParentNumber: Difference between revisions

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<span class="pageSubtitle">Get user number of parent thread</span>
<span class="pageSubtitle">Get user number of parent thread</span>


<p class="warn"><b>Note: </b>Most Sirius $functions have been deprecated in favor of Object Oriented methods. The OO equivalent for the $DaemonParentNumber function is the <var>[[ParentNumber (Daemon property)|ParentNumber]]</var>.  The OO APIs emphasize the use of the [[List of Daemon methods|Daemon methods]]; users are strongly urged to use the new Daemon API instead of the old $functions.</p>
<p class="warn"><b>Note: </b>Many $functions have been deprecated in favor of Object Oriented methods. The OO equivalent for the $DaemonParentNumber function is the <var>[[ParentNumber (Daemon property)|ParentNumber]]</var>.  The OO APIs emphasize the use of the [[List of Daemon methods|Daemon methods]]; users are strongly urged to use the new Daemon API instead of the old $functions.</p>


This function can be used to get the user number of an sdaemon's parent thread.  
This function can be used to get the user number of an sdaemon's parent thread.  

Latest revision as of 22:51, 20 September 2018

Get user number of parent thread

Note: Many $functions have been deprecated in favor of Object Oriented methods. The OO equivalent for the $DaemonParentNumber function is the ParentNumber. The OO APIs emphasize the use of the Daemon methods; users are strongly urged to use the new Daemon API instead of the old $functions.

This function can be used to get the user number of an sdaemon's parent thread.

The $DaemonParentNumber function accepts no arguments.

Syntax

%USERN = $DaemonParentNumber

%USERN is set to parent's user number, or to -1 if not called from a daemon

Usage notes

  • The $DaemonParentNumber function returns the user number of the thread that created the daemon thread, whether the daemon is associated with a Daemon object or with a $COMMxx function.
  • If the thread issuing $DaemonParentNumber is not an sdaemon, or is an sdaemon but is not performing work for another thread via a Daemon object or a $COMMxx function, or is an asynchronous daemon, the $DaemonParentNumber function returns a -1 value.
  • This $function is new in Version 6.8 of the Sirius Mods.

Example

The following code audits a thread's parent user number:

audit 'My parent''s user number is ' $DaemonParentNumber