closes bpo-31903: Release the GIL when calling into SystemConfiguration (GH-4178)

This commit is contained in:
Max Bélanger 2018-09-11 16:14:00 -07:00 committed by Benjamin Peterson
parent ec014a101a
commit 4859ba0d2c
2 changed files with 8 additions and 0 deletions

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@ -0,0 +1,2 @@
In :mod:`_scproxy`, drop the GIL when calling into ``SystemConfiguration`` to avoid
deadlocks.

View File

@ -62,7 +62,10 @@ get_proxy_settings(PyObject* Py_UNUSED(mod), PyObject *Py_UNUSED(ignored))
PyObject* v;
int r;
Py_BEGIN_ALLOW_THREADS
proxyDict = SCDynamicStoreCopyProxies(NULL);
Py_END_ALLOW_THREADS
if (!proxyDict) {
Py_RETURN_NONE;
}
@ -172,7 +175,10 @@ get_proxies(PyObject* Py_UNUSED(mod), PyObject *Py_UNUSED(ignored))
int r;
CFDictionaryRef proxyDict = NULL;
Py_BEGIN_ALLOW_THREADS
proxyDict = SCDynamicStoreCopyProxies(NULL);
Py_END_ALLOW_THREADS
if (proxyDict == NULL) {
return PyDict_New();
}