1 files changed, 6 insertions, 1 deletions
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index 309982a..4bebbbd 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -7096,8 +7096,13 @@ static PyObject *
 os_sched_yield_impl(PyObject *module)
 /*[clinic end generated code: output=902323500f222cac input=e54d6f98189391d4]*/
 {
-    if (sched_yield())
+    int result;
+    Py_BEGIN_ALLOW_THREADS
+    result = sched_yield();
+    Py_END_ALLOW_THREADS
+    if (result < 0) {
         return posix_error();
+    }
     Py_RETURN_NONE;
 }