patches to Ricardo Lopes' low level profiler: enable if SIGPROF is

there, do sorting, init PROFPREDS when you start counters, keep time
stamps for eventual assert/retract, and use qsort (3) to do less work.


git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@829 b08c6af1-5177-4d33-ba66-4b1c6b8b522a

C/index.c

@@ -2741,5 +2741,10 @@ Yap_PredIsIndexable(PredEntry *ap)
     }
     goto restart_index;
   }
+#ifdef LOW_PROF
+  if (ProfilerOn) {
+    Yap_inform_profiler_of_clause(indx_out, Yap_prof_end, ap);
+  }
+#endif
   return(indx_out);
 }