def init_static_locks(cls):
with cls._lock_init_lock:
cls._ensure_ffi_initialized()
__import__("_ssl")
if (not cls.lib.Cryptography_HAS_LOCKING_CALLBACKS
or cls.lib.CRYPTO_get_locking_callback() != cls.ffi.NULL):
return
res = lib.Cryptography_setup_ssl_threads()
_openssl_assert(cls.lib, res == 1)
def init_static_locks(cls):
with cls._lock_init_lock:
cls._ensure_ffi_initialized()
# Use Python's implementation if available, importing _ssl triggers
# the setup for this.
__import__("_ssl")
if cls.lib.CRYPTO_get_locking_callback() != cls.ffi.NULL:
return
# If nothing else has setup a locking callback already, we set up
# our own
res = lib.Cryptography_setup_ssl_threads()
_openssl_assert(cls.lib, res == 1)
