pythonGH-104308: socket.getnameinfo should release the GIL (python#10…

…4307) * socket.getnameinfo should release the GIL * 📜🤖 Added by blurb_it. --------- Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
miss-islington · May 8, 2023 · faf1962 · faf1962
1 parent 4541d1a
commit faf1962
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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
@@ -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
@@ -6883,8 +6883,10 @@ 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) {
         socket_state *state = get_module_state(self);
         set_gaierror(state, error);