Patch #448194: Debuging negative reference counts.

64fbb330 · Martin v. Löwis · 58212724 · 64fbb330
Commit 64fbb330 authored Aug 05, 2001 by Martin v. Löwis
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Showing with 6 additions and 5 deletions

Include/object.h Include/object.h +6 -5

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--- a/Include/object.h
+++ b/Include/object.h
@@ -489,11 +489,12 @@ extern DL_IMPORT(long) _Py_RefTotal;
 #endif /* !Py_TRACE_REFS */
 #define Py_INCREF(op) (_Py_RefTotal++, (op)->ob_refcnt++)
-#define Py_DECREF(op) \
+  /* under Py_REF_DEBUG: also log negative ref counts after Py_DECREF() !! */
-	if (--_Py_RefTotal, (--((op)->ob_refcnt) != 0)) \
+#define Py_DECREF(op)							\
-		; \
+       if (--_Py_RefTotal, 0 < (--((op)->ob_refcnt))) ;			\
-	else \
+       else if (0 == (op)->ob_refcnt) _Py_Dealloc( (PyObject*)(op));	\
-		_Py_Dealloc((PyObject *)(op))
+       else (void)fprintf( stderr, "%s:%i negative ref count %i\n",	\
+		           __FILE__, __LINE__, (op)->ob_refcnt)
 #else /* !Py_REF_DEBUG */
 #ifdef COUNT_ALLOCS