2.11BSD#431 - /usr/ingres/source/ovqp/startovqp.c

   1: # include   "../ingres.h"
   2: # include   "../symbol.h"
   3: # include   "../tree.h"
   4: # include   "../pipes.h"
   5: # include   "../aux.h"
   6: # include   "ovqp.h"
   7: 
   8: extern struct pipfrmt   Inpipe, Outpipe;
   9: 
  10: startovqp()
  11: 
  12: /*
  13: **	startovqp is called at the beginning of
  14: **	the execution of ovqp.
  15: */
  16: 
  17: {
  18:     extern          flptexcep();
  19:     extern struct pipfrmt   Eoutpipe;
  20: 
  21:     if (Equel)
  22:         wrpipe(P_PRIME, &Eoutpipe, 0, 0, 0);    /* prime the write pipe to Equel */
  23: 
  24: 
  25:     Tupsfound = 0;  /* counts the number of tuples which sat the qual */
  26:     Retrieve = Bopen = FALSE;
  27:     /* catch floating point signals */
  28:     signal(8, flptexcep);
  29: }
  30: 
  31: /*
  32: **	Give a user error for a floating point exceptions
  33: */
  34: flptexcep()
  35: {
  36:     ov_err(FLOATEXCEP);
  37: }

Defined functions