clqr-external-environment.tex

   1 % Copyright (C) 2008, 2010, 2011, 2012 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{%
  28       (\FU*{ENCODE-UNIVERSAL-TIME}
  29       \VAR{\hspace{.7ex}sec} \VAR{\hspace{.7ex}min}
  30       \VAR{\hspace{.7ex}hour} \VAR{\hspace{.7ex}date}
  31       \VAR{\hspace{.7ex}month} \VAR{\hspace{.7ex}year\hspace{1ex}}
  32       \Op{\VAR{zone}\DF{curr}})\\
  33       (\FU*{GET-UNIVERSAL-TIME})}{.}}
  34   {
  35     \retval{Seconds from 1900-01-01, 00:00}, ignoring leap seconds.
  36   }
  37
  38   \IT{\arrGOO{(\FU*{DECODE-UNIVERSAL-TIME} \VAR{ universal-time }
  39       \Op{\VAR{time-zone}\DF{current}})\\
  40     (\FU*{GET-DECODED-TIME})}{.}}
  41   {
  42     Return \retval{second}, \retvalii{minute}, \retvaliii{hour},
  43     \retvaln{4}{date}, \retvaln{5}{month}, \retvaln{6}{year},
  44     \retvaln{7}{day}, \retvaln{8}{daylight-p}, and \retvaln{9}{zone}.
  45   }
  46
  47   \IT{\arrGOO{(\FU*{SHORT-SITE-NAME})\\
  48       (\FU*{LONG-SITE-NAME})}{.}}
  49   {
  50     \retval{String} representing physical location of computer.
  51   }
  52
  53   \IT{(\xorGOO{\FU{LISP-IMPLEMENTATION}\\
  54       \FU{SOFTWARE}\\
  55       \FU{MACHINE}}{\}}\kwd{-}%
  56     \xorGOO{\kwd{TYPE}\\
  57       \kwd{VERSION}}{\}})}
  58   {
  59     \index{LISP-IMPLEMENTATION-TYPE}%
  60     \index{LISP-IMPLEMENTATION-VERSION}%
  61     \index{SOFTWARE-TYPE}%
  62     \index{SOFTWARE-VERSION}%
  63     \index{MACHINE-TYPE}%
  64     \index{MACHINE-VERSION}%
  65     \retval{Name} or \retval{version} of implementation, operating
  66     system, or hardware, respectively.
  67   }
  68
  69   \IT{(\FU*{MACHINE-INSTANCE})}
  70   {
  71     \retval{Computer name}.
  72   }
  73
  74 \end{LIST}
  75
  76
  77 %%% Local Variables:
  78 %%% mode: latex
  79 %%% TeX-master: "clqr"
  80 %%% End: