From: Victor Stinner <victor.stinner@gmail.com>
Date: Mon, 26 Jan 2015 21:43:39 +0000 (+0100)
Subject: asyncio, _overlapped.ConnectPipe(): release the GIL
X-Git-Tag: v3.4.3rc1~72
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=498b1f62dbdf55837d16fcaea9758af0cbebec0d;p=python

asyncio, _overlapped.ConnectPipe(): release the GIL
---

diff --git a/Modules/overlapped.c b/Modules/overlapped.c
index 1a081ecb77..ef77c8875a 100644
--- a/Modules/overlapped.c
+++ b/Modules/overlapped.c
@@ -1146,10 +1146,13 @@ ConnectPipe(OverlappedObject *self, PyObject *args)
     if (Address == NULL)
         return NULL;
 
+    Py_BEGIN_ALLOW_THREADS
     PipeHandle = CreateFileW(Address,
                              GENERIC_READ | GENERIC_WRITE,
                              0, NULL, OPEN_EXISTING,
                              FILE_FLAG_OVERLAPPED, NULL);
+    Py_END_ALLOW_THREADS
+
     PyMem_Free(Address);
     if (PipeHandle == INVALID_HANDLE_VALUE)
         return SetFromWindowsErr(0);