add_marshal_guards
Description:
public void add_marshal_guards (void* pre_marshal_data, ClosureNotify pre_marshal_notify, void* post_marshal_data, ClosureNotify post_marshal_notify)
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 watch_closure for an example of marshal guards.
Parameters:
| this |
a Closure |
| pre_marshal_data |
data to pass to |
| post_marshal_data |
data to pass to |
| post_marshal_notify |
a function to call after the closure callback |
| pre_marshal_notify |
a function to call before the closure callback |