Fix refcnt error

amos402 · amos402 · commit dec7a74e9bc5 · 2020-07-11T09:57:57.000+08:00
diff --git a/src/runtime/runtime_state.cs b/src/runtime/runtime_state.cs
@@ -146,6 +146,7 @@ private static void RestoreObjects(IntPtr dummyGC)
         public static IEnumerable<IntPtr> PyGCGetObjects()
         {
             var gc = PyImport_ImportModule("gc");
+            PythonException.ThrowIfIsNull(gc);
             var get_objects = PyObject_GetAttrString(gc, "get_objects");
             var objs = PyObject_CallObject(get_objects, IntPtr.Zero);
             var length = PyList_Size(objs);
@@ -168,6 +169,7 @@ public static IEnumerable<IntPtr> GetModuleNames()
                 var name = PyList_GetItem(names, i);
                 yield return name.DangerousGetAddress();
             }
+            XDecref(names);
         }
 
         private static void AddObjPtrToSet(IntPtr set, IntPtr obj)

Original file line number	Diff line number	Diff line change
`@@ -146,6 +146,7 @@ private static void RestoreObjects(IntPtr dummyGC)`
`146`	`146`	`public static IEnumerable<IntPtr> PyGCGetObjects()`
`147`	`147`	`{`
`148`	`148`	`var gc = PyImport_ImportModule("gc");`
	`149`	`+ PythonException.ThrowIfIsNull(gc);`
`149`	`150`	`var get_objects = PyObject_GetAttrString(gc, "get_objects");`
`150`	`151`	`var objs = PyObject_CallObject(get_objects, IntPtr.Zero);`
`151`	`152`	`var length = PyList_Size(objs);`
`@@ -168,6 +169,7 @@ public static IEnumerable<IntPtr> GetModuleNames()`
`168`	`169`	`var name = PyList_GetItem(names, i);`
`169`	`170`	`yield return name.DangerousGetAddress();`
`170`	`171`	`}`
	`172`	`+ XDecref(names);`
`171`	`173`	`}`
`172`	`174`
`173`	`175`	`private static void AddObjPtrToSet(IntPtr set, IntPtr obj)`