Properly initialize thread-local RNG state.

sysbench/sb_thread.c

@@ -39,9 +39,6 @@
 int sb_thread_create(pthread_t *thread, const pthread_attr_t *attr,
                      void *(*start_routine) (void *), void *arg)
 {
-  /* Initialize thread-local RNG state */
-  sb_srnd(sb_rnd());
-
   return pthread_create(thread, attr, start_routine, arg);
 }
 

sysbench/sysbench.c

@@ -468,6 +468,9 @@ static void *runner_thread(void *arg)
   test = ctxt->test;
   thread_id = ctxt->id;
 
+  /* Initialize thread-local RNG state */
+  sb_srnd(thread_id);
+
   log_text(LOG_DEBUG, "Runner thread started (%d)!", thread_id);
   if (test->ops.thread_init != NULL && test->ops.thread_init(thread_id) != 0)
   {