Mercurial > cpython-lru_cache-weakref

diff Python/ceval.c @ 5023:75c1ee882a4a legacy-trunk

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Kill all local variables on function return. This closes a gigantic leak of memory and file descriptors (thanks for Roj for reporting that!). Alas, the speed goes down by 5%. :-(
author Guido van Rossum <guido@python.org>
date Tue, 21 Jan 1997 21:18:36 +0000
parents c22add364351
children fde73467b584
line wrap: on
line diff
--- a/Python/ceval.c	Tue Jan 21 16:12:09 1997 +0000
+++ b/Python/ceval.c	Tue Jan 21 21:18:36 1997 +0000
@@ -1696,6 +1696,18 @@
 			why = WHY_EXCEPTION;
 		}
 	}
+
+	/* Kill all local variables */
+
+	{
+		int i;
+		for (i = co->co_nlocals; --i >= 0; ++fastlocals) {
+			if (*fastlocals != NULL) {
+				DECREF(*fastlocals);
+				*fastlocals = NULL;
+			}
+		}
+	}
 	
 	/* Restore previous frame and release the current one */