From 867e35a458c717f463e156a116897a38ffb0ef8f Mon Sep 17 00:00:00 2001 From: Ken Payson Date: Thu, 16 Mar 2017 11:28:14 -0700 Subject: [PATCH] Initialize GIL at startup --- src/python/grpcio/grpc/_cython/cygrpc.pyx | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/src/python/grpcio/grpc/_cython/cygrpc.pyx b/src/python/grpcio/grpc/_cython/cygrpc.pyx index e1bd046a1a5..274b5f1b8ac 100644 --- a/src/python/grpcio/grpc/_cython/cygrpc.pyx +++ b/src/python/grpcio/grpc/_cython/cygrpc.pyx @@ -47,14 +47,14 @@ include "_cygrpc/server.pyx.pxi" # # initialize gRPC # - - cdef extern from "Python.h": - int Py_AtExit(void(*func)()) - + int PyEval_InitThreads() -def _initialize(): +cdef _initialize(): + # We have Python callbacks called by c-core threads, this ensures the GIL + # is initialized. + PyEval_InitThreads() grpc_set_ssl_roots_override_callback( ssl_roots_override_callback)