clqr-external-environment.tex

   1 % Copyright (C) 2008 Bert Burgemeister
   2 %
   3 % Permission is granted to copy, distribute and/or modify this
   4 % document under the terms of the GNU Free Documentation License,
   5 % Version 1.2 or any later version published by the Free Software
   6 % Foundation; with no Invariant Sections, no Front-Cover Texts and
   7 % no Back-Cover Texts. For details see file COPYING.
   8 %
   9
  10 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  11 \section{External Environment}
  12 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  13 \begin{LIST}{1cm}
  14
  15   \IT{\arrGOO{(\FU*{GET-INTERNAL-REAL-TIME})\\
  16       (\FU*{GET-INTERNAL-RUN-TIME})}{.}}
  17   {
  18   \retval{Current time}, or \retval{computing time},
  19   respectively, in clock ticks.
  20   }
  21
  22   \IT{\CNS*{INTERNAL-TIME-UNITS-PER-SECOND}}
  23   {
  24   Number of clock ticks per second.
  25   }
  26
  27   \IT{\arrGOO{(\FU*{ENCODE-UNIVERSAL-TIME} \VAR{ sec} \VAR{ min}
  28       \VAR{ hour} \VAR{ date} \VAR{ month} \VAR{ year }
  29       \Op{\VAR{zone}\DF{curr}})\\
  30       (\FU*{GET-UNIVERSAL-TIME})}{.}}
  31   {
  32   \retval{Seconds from 1900-01-01, 00:00}.
  33   }
  34
  35   \IT{\arrGOO{(\FU*{DECODE-UNIVERSAL-TIME} \VAR{ universal-time }
  36       \Op{\VAR{time-zone}\DF{current}})\\
  37     (\FU*{GET-DECODED-TIME})}{.}}
  38   {
  39   Return \retval{second}, \retvalii{minute}, \retvaliii{hour},
  40   \retvaln{4}{date}, \retvaln{5}{month}, \retvaln{6}{year}, \retvaln{7}{day},
  41   \retvaln{8}{daylight-p}, and \retvaln{9}{zone}.
  42   }
  43
  44   \IT{(\FU*{ROOM} \Op{\Goo{\NIL\XOR\kwd{:default}\XOR\T}})}
  45   {
  46   Print information about internal storage management.
  47   }
  48
  49   \IT{\V*{\A features\A}}
  50   {
  51   List of implementation-dependent features.
  52   }
  53
  54   \IT{\arrGOO{(\FU*{SHORT-SITE-NAME})\\
  55       (\FU*{LONG-SITE-NAME})}{.}}
  56   {
  57   \retval{String} representing physical location of computer.
  58   }
  59
  60   \IT{(\xorGOO{\FU{LISP-IMPLEMENTATION}\\
  61       \FU{SOFTWARE}\\
  62       \FU{MACHINE}}{\}}\kwd{-}%
  63     \xorGOO{\kwd{TYPE}\\
  64       \kwd{VERSION}}{\}})}
  65   {
  66   \index{LISP-IMPLEMENTATION-TYPE}%
  67   \index{LISP-IMPLEMENTATION-VERSION}%
  68   \index{SOFTWARE-TYPE}%
  69   \index{SOFTWARE-VERSION}%
  70   \index{MACHINE-TYPE}%
  71   \index{MACHINE-VERSION}%
  72   \retval{Name} or \retval{version} of implementation, operating
  73   system, or hardware, respectively.
  74   }
  75
  76   \IT{(\FU*{MACHINE-INSTANCE})}
  77   {
  78   \retval{Computer name}.
  79   }
  80
  81 \end{LIST}
  82