2 files changed, 7 insertions, 1 deletions
diff --git a/harness/include/foreign_intf.h b/harness/include/foreign_intf.h
index fc079e2..e0d178c 100644
--- a/harness/include/foreign_intf.h
+++ b/harness/include/foreign_intf.h
@@ -21,6 +21,8 @@ typedef struct FOREIGN_INTERFACE {
   /* Requests the harness hot reload the current plugin. */
   EXPORT(void (*do_log)(ctx_t ctx, const char* str));
 
+  /* Requestes that the whole system exit. Exits with the given return code. */
+  EXPORT(void (*request_exit)(ctx_t ctx, int rc));
 } foreign_interface_t;
 
 #undef EXPORT
diff --git a/harness/include/plugin.h b/harness/include/plugin.h
index 1e4a161..145fe52 100644
--- a/harness/include/plugin.h
+++ b/harness/include/plugin.h
@@ -33,7 +33,11 @@ struct PLUGIN;
 typedef struct {
   int (*action)(struct PLUGIN *requester, void* arg);
   void (*arg_dtor)(void* arg);
-  void* arg;
+  union {
+    void* ptr_arg;
+    int int_arg;
+    char* str_arg;
+  };
 } requested_action_t;
 
 /*