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Contents 1 Definition 2 Parameters 3 Returns 4 Example

Definition

INT Exists ( <INT processID|processType> )

Checks if a process is alive.

Parameters

INT processID or processType

- The ID or Type of the process to be checked.

Returns

INT : The result of the check

0 (false)	- The process with given processID is not alive or there are no processes alive of the given type.
1 (true)	- The process with given processID is alive or there is at least one process alive of the given type.

Example

Program example;
Begin

    Proc();

    if(exists(id))
        say("I exist!");
    end
    if(exists(type main))
        say("I exist!");
    end
    if(exists(0))
        say("0 doesn't exist");
    end
    if(exists(type proc))
        say("Proc exists!");
    else
        say("Proc doesn't exist!");
    end

    Loop
        frame;
    End
End

Process Proc()
Begin
    Loop
        frame;
    End
End

Used in example: Say()