#!/usr/bin/env python
import faulthandler
import signal
faulthandler.enable()
faulthandler.register(signal.SIGUSR1.value)

from OpenSSL._util import ffi
print("creating callback")
ffi.callback(
	"int (*)(SSL *, unsigned char **, unsigned char *, "
	"const unsigned char *, unsigned int, void *)",
	lambda *_, **__: None
)
print("ok")