Method

GObjectClosureadd_marshal_guards

Declaration [src] 

void
g_closure_add_marshal_guards (
  GClosure* closure,
  gpointer pre_marshal_data,
  GClosureNotify pre_marshal_notify,
  gpointer post_marshal_data,
  GClosureNotify post_marshal_notify
)

Description [src]

Adds a pair of notifiers which get invoked before and after the closure callback, respectively.

This is typically used to protect the extra arguments for the duration of the callback. See g_object_watch_closure() for an example of marshal guards.

This method is not directly available to language bindings.

Parameters

pre_marshal_data

Type: gpointer

Data to pass to pre_marshal_notify.

The argument can be NULL.
The data is owned by the caller of the method.
pre_marshal_notify

Type: GClosureNotify

A function to call before the closure callback.

The argument can be NULL.
post_marshal_data

Type: gpointer

Data to pass to post_marshal_notify.

The argument can be NULL.
The data is owned by the caller of the method.
post_marshal_notify

Type: GClosureNotify

A function to call after the closure callback.

The argument can be NULL.