This procedure is defined in the server but not documented via ad_proc or proc_doc and may be intended as a private interface.
The procedure is defined as:
proc ::nsf::exithandler {args} { lassign $args op value switch $op { set {::proc ::nsf::__exithandler {} $value} get {::info body ::nsf::__exithandler} unset {proc ::nsf::__exithandler args {;}} default {error "syntax: ::nsf::exithandler $::nsf::parameter::syntax(::nsf::exithandler)"}} }