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Father

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== Definition == == Definition ==
-Father is a predefined [[local variable]]. Every [[process]] has this varaible as soon as the [[frame]]; statement is reached within the process. Father holds the [[ProcessID]] of the process that called the current process. There are several other [[local variables]] which refer to the [[ProcessID]] of a related [[process]]:+Father is a predefined [[local variable]]. Every [[process]] has this varaible as soon as the [[frame]]; statement is reached within the process. Father holds the [[ProcessID]] of the process that called the current process. There are several other [[local variable]]s which refer to the [[ProcessID]] of a related [[process]]:
*[[Son]] *[[Son]]
*[[Bigbro]] *[[Bigbro]]

Revision as of 00:14, 16 April 2007

Definition

Father is a predefined local variable. Every process has this varaible as soon as the frame; statement is reached within the process. Father holds the ProcessID of the process that called the current process. There are several other local variables which refer to the ProcessID of a related process:


Example

process first_process()  //declaration of the first process
begin
   second_process();  //which calls the second process
   loop
      frame;        //this loop makes "first_process()" a process rather than a function
   end
end

process second_process()  //declaration of another process
begin
   x = father.x;     //These two lines use the father variable to move this process
   y = father.y;     //to the position of first_process, as the father variable here holds the ProcessID of "first_process()"
   loop
      frame;  
   end
end

More information on functions and processes.

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