mixed heart_beat_error(object culprit, string err, string prg,
string curobj, int line, int caught)
This function is called when a runtime error occurs while
executing the heart_beat() function of the object culprit. prg
is program where the actual error happened, in object curobj
at the given line.
At time of call, the heart_beat has been turned off.
Return anything != 0 to restart the heart_beat in culprit.
If culprit is a user, it should at least get the message "You
have no heartbeat". A more advanced handling would destruct
the offending object curobj and and allow the heartbeat to
If the error is caught on a higher level, <caught> is non-zero;
otherwise it is 0.
Note that prg denotes the program actually executed (which
might be an inherited one) whereas curobj is just the
LDMud 3.2.12/3.3.705 added the <caught> argument.
set_heart_beat(E), heart_beat(A), runtime_error(M)