trace-load: protect settings with rwlock

Signed-off-by: Alexander Mohr <[email protected]>
COVESA · Sep 11, 2024 · d78e264 · d78e264
1 parent 6aaae63
commit d78e264
Showing 1 changed file with 7 additions and 4 deletions.
diff --git a/src/lib/dlt_user.c b/src/lib/dlt_user.c
@@ -4159,19 +4159,22 @@ DltReturnValue dlt_user_log_send_log(DltContextData *log, const int mtype, int *
             /* check trace load before output */
             if (!sent_size)
             {
+                // need rw protection, because dlt_check_trace_load
+                // will modify the trace load stats in the settings.
+                pthread_rwlock_rwlock(&trace_load_rw_lock);
                 DltTraceLoadSettings* settings =
                     dlt_find_runtime_trace_load_settings(
                         trace_load_settings, trace_load_settings_count, dlt_user.appID, log->handle->contextID);
-
-                if (!dlt_check_trace_load(
+                const auto trace_load_in_limits = dlt_check_trace_load(
                         settings,
                         log->log_level, time_stamp,
                         sizeof(DltUserHeader)
                             + msg.headersize - sizeof(DltStorageHeader)
                             + log->size,
                         dlt_user_output_internal_msg,
-                        NULL))
-                {
+                        NULL);
+                pthread_rwlock_unlock(&trace_load_rw_lock);
+                if (!trace_load_in_limits){
                     return DLT_RETURN_LOAD_EXCEEDED;
                 }
             }