From fcff2d238690d3e9aaffa231c47b2c152a778426 Mon Sep 17 00:00:00 2001
From: Alexey Kopytov <akopytov@gmail.com>
Date: Wed, 21 Mar 2012 12:20:02 +0400
Subject: [PATCH] Fixed a crash at the end of the test when tx-rate is not
 used.

---
 sysbench/sysbench.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/sysbench/sysbench.c b/sysbench/sysbench.c
index ae37b57..b59c925 100644
--- a/sysbench/sysbench.c
+++ b/sysbench/sysbench.c
@@ -719,8 +719,9 @@ static int run_test(sb_test_t *test)
   pthread_t    report_thread;
   pthread_t    checkpoints_thread;
   pthread_t    eventgen_thread;
-  int          report_thread_created = 0;
+  int          report_thread_created      = 0;
   int          checkpoints_thread_created = 0;
+  int          eventgen_thread_created    = 0;
 
   /* initialize test */
   if (test->ops.init != NULL && test->ops.init() != 0)
@@ -792,6 +793,7 @@ static int run_test(sb_test_t *test)
       log_errno(LOG_FATAL, "pthread_create() for the reporting thread failed.");
       return 1;
     }
+    eventgen_thread_created = 1;
   }
 
   if (sb_globals.n_checkpoints > 0)
@@ -877,8 +879,11 @@ static int run_test(sb_test_t *test)
       log_errno(LOG_FATAL, "Terminating the reporting thread failed.");
   }
 
-  if (pthread_cancel(eventgen_thread) || pthread_join(eventgen_thread, NULL))
-    log_text(LOG_FATAL, "Terminating the event generator thread failed.");
+  if (eventgen_thread_created)
+  {
+    if (pthread_cancel(eventgen_thread) || pthread_join(eventgen_thread, NULL))
+      log_text(LOG_FATAL, "Terminating the event generator thread failed.");
+  }
 
   if (checkpoints_thread_created)
   {