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root/radiance/ray/src/rt/raypcalls.c
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Comparing ray/src/rt/raypcalls.c (file contents):
Revision 2.15 by greg, Wed Sep 12 03:57:00 2007 UTC vs.
Revision 2.17 by greg, Tue Sep 18 19:10:02 2007 UTC

# Line 295 | Line 295 | ray_presult(           /* check for a completed ray */
295                                          /* check queued results first */
296          if (r_recv_first < r_recv_next) {
297                  *r = r_queue[r_recv_first++];
298 +                                        /* make sure send queue has room */
299 +                if (sendq_full() && ray_pflush() <= 0)
300 +                        return(-1);
301                  return(1);
302          }
303          n = ray_pnprocs - ray_pnidle;   /* pending before flush? */
# Line 308 | Line 311 | ray_presult(           /* check for a completed ray */
311                  n = ray_pnprocs - ray_pnidle;
312          if (n <= 0)                     /* return if nothing to await */
313                  return(0);
314 +        if (!poll && ray_pnprocs == 1)  /* one process -> skip select() */
315 +                FD_SET(r_proc[0].fd_recv, &readset);
316 +
317   getready:                               /* any children waiting for us? */
318          for (pn = ray_pnprocs; pn--; )
319                  if (FD_ISSET(r_proc[pn].fd_recv, &readset) ||

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