nDPId-test: Fixed thread sync/lock issue.

 * rarely happens in CI

Signed-off-by: Toni Uhlig <matzeton@googlemail.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/nDPId-test.c b/nDPId-test.c
index 10bde9358..f7260edcf 100644
--- a/nDPId-test.c
+++ b/nDPId-test.c
@@ -293,6 +293,7 @@ error:
         drain_write_buffers_blocking(mock_arpa_desc);
     }
 
+    pthread_mutex_lock(&nDPIsrvd_start_mutex);
     free_remotes(epollfd);
     close(epollfd);
 
@@ -415,6 +416,9 @@ static enum nDPIsrvd_callback_return distributor_json_callback(struct nDPIsrvd_s
 
                     global_stats->total_events_serialized = nmb;
                 }
+
+                pthread_mutex_unlock(&nDPIsrvd_start_mutex);
+                pthread_mutex_unlock(&nDPId_start_mutex);
             }
         }
     }
@@ -853,6 +857,7 @@ static void * nDPId_mainloop_thread(void * const arg)
     }
 
 error:
+    pthread_mutex_lock(&nDPId_start_mutex);
     free_reader_threads();
     close(mock_pipefds[PIPE_nDPId]);