GETSIG()

Class

Error Handling and Debugging

Purpose

Retrieve the last signal number received

Syntax

GETSIG()

See Also

ERROR(), ON FINISH, ON TERMINATION

Description

The GETSIG() function returns the last signal number received, or zero if none has been received. This can be used in an ON FINISH procedure to determine if the user exited by themselves or they received a signal to terminate.

Example

procedure on_finish
  if getsig() != 0
      dialog box "Signal received. signo = "+alltrim(str(getsig())) label "ON FINISH"
  elseif error() > 0
      dialog box "Error received, error = "+alltrim(str(error())) label "ON FINISH"
  else
      dialog box "Successful exit" label "ON FINISH"
  endif
return
 
on finish do on_finish

Products

Recital Database Server, Recital Mirage Server, Recital Terminal Developer