Run GC in test support _unlink amd _rmdir on Windows to make sure all handles are closed

steve-s · steve-s · commit 0fa97c8698cc · 2026-01-26T16:04:14.000+01:00
diff --git a/graalpython/lib-python/3/test/support/os_helper.py b/graalpython/lib-python/3/test/support/os_helper.py
@@ -332,6 +332,8 @@ def unlink(filename):
 
 if sys.platform.startswith("win"):
     def _waitfor(func, pathname, waitall=False):
+        # GraalPy change: run GC to ensure all handles are closed
+        support.gc_collect()
         # Perform the operation
         func(pathname)
         # Now setup the wait loop
@@ -348,7 +350,9 @@ def _waitfor(func, pathname, waitall=False):
         # required when contention occurs.
         timeout = 0.001
         # GraalPy change: increase timeout to account for our overloaded machines
+        # and run GC to ensure all handles are closed
         while timeout < 120.0:
+            support.gc_collect()
             # Note we are only testing for the existence of the file(s) in
             # the contents of the directory regardless of any security or
             # access rights.  If we have made it this far, we have sufficient
