1 files changed, 10 insertions, 0 deletions
diff --git a/decoder.c b/decoder.c
index 4b32638..79ba8ef 100644
--- a/decoder.c
+++ b/decoder.c
@@ -47,12 +47,22 @@ extern GSList *searchpaths;
 
 /* session.c */
 extern GSList *sessions;
+extern int max_session_id;
 
 /* module_sigrokdecode.c */
 extern SRD_PRIV PyObject *mod_sigrokdecode;
 
 /** @endcond */
 
+static gboolean srd_check_init(void)
+{
+	if (max_session_id < 0) {
+		srd_err("Library is not initialized.");
+		return FALSE;
+	} else
+		return TRUE;
+}
+
 /**
  * Returns the list of supported/loaded protocol decoders.
  *