NAME

       ns_atclose, ns_atexit, ns_atshutdown, ns_atsignal - Facilities to register a script callback.

SYNOPSIS

       ns_atclose script
       ns_atexit script
       ns_atshutdown script
       ns_atsignal script
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DESCRIPTION

       These  commands  register  a  callback  to  execute a later time.  The callbacks are executed once in the
       context of the current Tcl interpreter.

       ns_atclose script
              Invoke given script when the current connection is closed. The callback can be  registered  within
              the  Tcl  interpreter  associated  with  the current HTTP connection; if no connection exists, and
              error is returned.

       ns_atexit script
              Invoke given script before the AOLserver exists after all virtual servers have stopped.

       ns_atshutdown script
              Invoke given script when the current virtual server is shutdown during AOLserver exit.

       ns_atsignal script
              Invoke given script when a SIGHUP signal is received in the main startup thread of the AOLserver.

SEE ALSO

       ns_shutdown(n), ns_kill(n)

KEYWORDS

       shutdown, callback

AOLserver                                              4.0                                     ns_at(3aolserver)