Attempts to acquire the permission represented by @permission.
This is the first half of the asynchronous version of g_permission_acquire().
a #GCancellable, or %NULL
the #GAsyncReadyCallback to call when done
the user data to pass to @callback
2.26
See Implementation
Attempts to acquire the permission represented by @permission.
This is the first half of the asynchronous version of g_permission_acquire().