1 files changed, 4 insertions, 1 deletions
diff --git a/Python/lock.c b/Python/lock.c
index 28a12ad1835..ea6ac00bfec 100644
--- a/Python/lock.c
+++ b/Python/lock.c
@@ -58,7 +58,7 @@ _PyMutex_LockTimed(PyMutex *m, PyTime_t timeout, _PyLockFlags flags)
             return PY_LOCK_ACQUIRED;
         }
     }
-    else if (timeout == 0) {
+    if (timeout == 0) {
         return PY_LOCK_FAILURE;
     }
 
@@ -119,6 +119,9 @@ _PyMutex_LockTimed(PyMutex *m, PyTime_t timeout, _PyLockFlags flags)
                 return PY_LOCK_INTR;
             }
         }
+        else if (ret == Py_PARK_INTR && (flags & _PY_FAIL_IF_INTERRUPTED)) {
+            return PY_LOCK_INTR;
+        }
         else if (ret == Py_PARK_TIMEOUT) {
             assert(timeout >= 0);
             return PY_LOCK_FAILURE;