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Signal

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Contents

Definition

INT Signal ( <INT processID|processTypeID> , <INT signal> )

Allows a process or a range of processes of certain processType to be controlled in a limited number of ways, by sending signals.

Parameters

INT processID|processTypeID - The ProcessID of the process or the ProcessTypeID of the type of processes to which the signal is to be sent.
INT signal - The code of the signal that is to be sent to the target process.

Returns

INT : Successrate

false - There was an error.
true - Sending was successful.

Errors

Invalid signal - The specified signal is invalid.

Notes

To obtain the processType of a function, the operator "Type" can be used. For a process to send a signal to itself, the local variable id can be used. The parameter <signal> is passed by way of a set of predefined constants which denote the signal which is to be sent. These are listed here.

Example

Signal( get_id(type enemy) , s_kill ); // Kills a process of type enemy
Signal( id , s_kill_tree );            // Kills the process that calls it, and all of its descendants
Signal( Type player , s_freeze );      // Freezes all processes of type player so that they are
                                       //     still displayed, but do not execute any code.
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