Add check for spurious wakeups (#9751)

1 files changed, 3 insertions, 1 deletions

diff --git a/exporting/send_data.c b/exporting/send_data.c
index e7fda72331..cc107ea2dd 100644
--- a/exporting/send_data.c
+++ b/exporting/send_data.c
@@ -340,7 +340,9 @@ void simple_connector_worker(void *instance_p)
         // if we are connected, send our buffer to the data collecting server
 
         uv_mutex_lock(&instance->mutex);
-        uv_cond_wait(&instance->cond_var, &instance->mutex);
+        while (!instance->data_is_ready)
+            uv_cond_wait(&instance->cond_var, &instance->mutex);
+        instance->data_is_ready = 0;
 
         if (unlikely(instance->engine->exit)) {
             uv_mutex_unlock(&instance->mutex);