grpc: add global destructor to avoid leaks when the module is not used

valgrind reported memory leaks even when no gRPC plugins were used in the configuration. Signed-off-by: László Várady <[email protected]>
axoflow · Aug 9, 2024 · fe32c9e · fe32c9e
1 parent 1e56f25
commit fe32c9e
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/modules/grpc/protos/apphook.cpp b/modules/grpc/protos/apphook.cpp
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2024 Axoflow
  * Copyright (c) 2024 László Várady
  *
  * This program is free software; you can redistribute it and/or modify it
@@ -58,3 +59,9 @@ grpc_register_global_initializers(void)
       initialized = TRUE;
     }
 }
+
+static void __attribute__((destructor))
+_protobuf_cleanup(void)
+{
+  google::protobuf::ShutdownProtobufLibrary();
+}