Merge 94ec22f into 1b3ee13

gevent · Feb 13, 2019 · 5360317 · 5360317
2 parents 1b3ee13 + 94ec22f
commit 5360317
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/gevent/subprocess.py b/src/gevent/subprocess.py
@@ -958,6 +958,12 @@ def _execute_child(self, args, executable, preexec_fn, close_fds,
             # Process startup details
             if startupinfo is None:
                 startupinfo = STARTUPINFO()
+            else:
+                # Support for Python >= 3.7
+                if hasattr(startupinfo, '_copy'):
+                    # bpo-34044: Copy STARTUPINFO since it is modified above,
+                    # so the caller can reuse it multiple times.
+                    startupinfo = startupinfo._copy()
             use_std_handles = -1 not in (p2cread, c2pwrite, errwrite)
             if use_std_handles:
                 startupinfo.dwFlags |= STARTF_USESTDHANDLES