diff --git a/Misc/NEWS.d/next/Library/2023-05-08-20-57-17.gh-issue-104307.DSB93G.rst b/Misc/NEWS.d/next/Library/2023-05-08-20-57-17.gh-issue-104307.DSB93G.rst new file mode 100644 index 00000000000000..03775845450caa --- /dev/null +++ b/Misc/NEWS.d/next/Library/2023-05-08-20-57-17.gh-issue-104307.DSB93G.rst @@ -0,0 +1 @@ +:func:`socket.getnameinfo` now releases the GIL while contacting the DNS server diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c index 0e319a4cfd383b..47539d354b49a6 100644 --- a/Modules/socketmodule.c +++ b/Modules/socketmodule.c @@ -6737,8 +6737,10 @@ socket_getnameinfo(PyObject *self, PyObject *args) } #endif } + Py_BEGIN_ALLOW_THREADS error = getnameinfo(res->ai_addr, (socklen_t) res->ai_addrlen, hbuf, sizeof(hbuf), pbuf, sizeof(pbuf), flags); + Py_END_ALLOW_THREADS if (error) { set_gaierror(error); goto fail;