- /**
- * On Solaris 2.5, threads are not timesliced by default, so we need to
- * explictly increase the conncurrency level.
- */
+/*
+ * On Solaris 2.5/2.6/7 and 8, threads are not timesliced by default,
+ * so we need to explictly increase the conncurrency level.
+ */
+#ifdef USE_THR_SETCONCURRENCY