misc: add callback hooks and refactor pmc

[vpp.git] / src / vlib / init.h

diff --git a/src/vlib/init.h b/src/vlib/init.h
index fc63801..68ac2f3 100644 (file)
--- a/src/vlib/init.h
+++ b/src/vlib/init.h
@@ -317,6 +317,19 @@ static void __vlib_rm_config_function_##x (void)                \
     _error;                                                    \
   })
 
+#define vlib_call_main_loop_enter_function(vm, x)                      \
+  ({                                                                   \
+    extern vlib_init_function_t * VLIB_MAIN_LOOP_ENTER_FUNCTION_SYMBOL (x); \
+    vlib_init_function_t * _f = VLIB_MAIN_LOOP_ENTER_FUNCTION_SYMBOL (x); \
+    clib_error_t * _error = 0;                                         \
+    if (! hash_get (vm->init_functions_called, _f))                    \
+      {                                                                        \
+       hash_set1 (vm->init_functions_called, _f);                      \
+       _error = _f (vm);                                               \
+      }                                                                        \
+    _error;                                                            \
+  })
+
 /* External functions. */
 clib_error_t *vlib_call_all_init_functions (struct vlib_main_t *vm);
 clib_error_t *vlib_call_all_config_functions (struct vlib_main_t *vm,