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-rw-r--r--net/spool cmd112
1 files changed, 112 insertions, 0 deletions
diff --git a/net/spool cmd b/net/spool cmd
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+PACKET spool cmd (* Autor: R. Ruland *)
+ (* Stand: 01.04.86 *)
+ DEFINES killer,
+ first,
+ start,
+ stop,
+ halt,
+ wait for halt :
+
+LET error nak = 2 ,
+
+ entry line code = 23 ,
+ killer code = 24 ,
+ first code = 25 ,
+ start code = 26 ,
+ stop code = 27 ,
+ halt code = 28 ,
+ wait for halt code = 29 ;
+
+DATASPACE VAR ds;
+
+BOUND STRUCT (TEXT entry line, INT index) VAR control msg;
+BOUND TEXT VAR error msg ;
+
+INT VAR reply;
+
+INITFLAG VAR in this task := FALSE;
+
+
+PROC control spool (TASK CONST spool, INT CONST control code,
+ TEXT CONST question, BOOL CONST leave) :
+
+ enable stop;
+ initialize control msg;
+ WHILE valid spool entry
+ REP IF control question THEN control spool entry FI PER;
+
+ . initialize control msg :
+ IF NOT initialized (in this task) THEN ds := nilspace FI;
+ forget (ds); ds := nilspace; control msg := ds;
+ control msg. entry line := "";
+ control msg. index := 0;
+ say (""13""10"");
+
+ . valid spool entry :
+ call (spool, entry line code, ds, reply);
+ IF reply = error nak
+ THEN error msg := ds;
+ errorstop (error msg);
+ FI;
+ control msg. index <> 0
+
+ . control question :
+ say (control msg. entry line);
+ yes (question)
+
+ . control spool entry :
+ call (spool, control code, ds, reply);
+ IF reply = error nak
+ THEN error msg := ds;
+ errorstop (error msg);
+ FI;
+ IF leave THEN LEAVE control spool FI;
+
+END PROC control spool;
+
+
+PROC killer (TASK CONST spool) :
+
+ control spool (spool, killer code, " loeschen", FALSE)
+
+END PROC killer;
+
+
+PROC first (TASK CONST spool) :
+
+ control spool (spool, first code, " als erstes", TRUE)
+
+END PROC first;
+
+
+PROC start (TASK CONST spool) :
+
+ call (stop code, "", spool);
+ call (start code, "", spool);
+
+END PROC start;
+
+
+PROC stop (TASK CONST spool) :
+
+ call (stop code, "", spool);
+
+END PROC stop;
+
+
+PROC halt (TASK CONST spool) :
+
+ call (halt code, "", spool);
+
+END PROC halt;
+
+
+PROC wait for halt (TASK CONST spool) :
+
+ call (wait for halt code, "", spool);
+
+END PROC wait for halt;
+
+
+END PACKET spool cmd;
+