giveData
Name
giveData -- Send update to RSPD.
Synopsis
$err = $mod->giveData
($data);
Description
This function copies the address of data to an internal structure. When
postMessage() is called, a copy of the data given will
be sent to the RSPD.
Returns
Returns -1 if an error occurred, or 0 otherwise.
In case of error, the program will croak() with an appriopriate message.