DEFINITION MODULE Break ;


EXPORT QUALIFIED EnableBreak, DisableBreak, InstallBreak, UnInstallBreak ;


(*
   EnableBreak - enable the current break handler.
*)

PROCEDURE EnableBreak ;


(*
   DisableBreak - disable the current break handler (and all
                  installed handlers).
*)

PROCEDURE DisableBreak ;


(*
   InstallBreak - installs a procedure, p, to be invoked when
                  a ctrl-c is caught. Any number of these
                  procedures may be stacked. Only the top
                  procedure is run when ctrl-c is caught.
*)

PROCEDURE InstallBreak (p: PROC) ;


(*
   UnInstallBreak - pops the break handler stack.
*)

PROCEDURE UnInstallBreak ;


END Break.