static void
boxed_finalize(JSContext *context,
JSObject *obj)
{
Boxed *priv;
priv = priv_from_js(context, obj);
gjs_debug_lifecycle(GJS_DEBUG_GBOXED,
"finalize, obj %p priv %p", obj, priv);
if (priv == NULL)
return; /* wrong class? */
if (priv->gboxed && !priv->not_owning_gboxed) {
if (priv->allocated_directly) {
g_slice_free1(g_struct_info_get_size (priv->info), priv->gboxed);
} else {
if (g_type_is_a (priv->gtype, G_TYPE_BOXED))
g_boxed_free (priv->gtype, priv->gboxed);
else if (g_type_is_a (priv->gtype, G_TYPE_VARIANT))
g_variant_unref (priv->gboxed);
else
g_assert_not_reached ();
}
priv->gboxed = NULL;
}
if (priv->info) {
g_base_info_unref( (GIBaseInfo*) priv->info);
priv->info = NULL;
}
GJS_DEC_COUNTER(boxed);
g_slice_free(Boxed, priv);
}
static void
closure_set_invalid(gpointer data,
GClosure *closure)
{
Closure *self = (Closure*) closure;
self->obj = NULL;
self->context = NULL;
self->runtime = NULL;
GJS_DEC_COUNTER(closure);
}
static void
importer_finalize(JSFreeOp *fop,
JSObject *obj)
{
Importer *priv;
priv = JS_GetPrivate(obj);
gjs_debug_lifecycle(GJS_DEBUG_IMPORTER,
"finalize, obj %p priv %p", obj, priv);
if (priv == NULL)
return; /* we are the prototype, not a real instance */
GJS_DEC_COUNTER(importer);
g_slice_free(Importer, priv);
}
static void
importer_finalize(JSContext *context,
JSObject *obj)
{
Importer *priv;
priv = priv_from_js(context, obj);
gjs_debug_lifecycle(GJS_DEBUG_IMPORTER,
"finalize, obj %p priv %p", obj, priv);
if (priv == NULL)
return; /* we are the prototype, not a real instance, so constructor never called */
GJS_DEC_COUNTER(importer);
g_slice_free(Importer, priv);
}
static void
interface_finalize(JSContext *context,
JSObject *obj)
{
Interface *priv;
priv = priv_from_js(context, obj);
if (priv == NULL)
return;
if (priv->info != NULL)
g_base_info_unref((GIBaseInfo*)priv->info);
GJS_DEC_COUNTER(interface);
g_slice_free(Interface, priv);
}
static void
ns_finalize(JSFreeOp *fop,
JSObject *obj)
{
Ns *priv;
priv = (Ns *)JS_GetPrivate(obj);
gjs_debug_lifecycle(GJS_DEBUG_GNAMESPACE,
"finalize, obj %p priv %p", obj, priv);
if (priv == NULL)
return; /* we are the prototype, not a real instance */
if (priv->gi_namespace)
g_free(priv->gi_namespace);
GJS_DEC_COUNTER(ns);
g_slice_free(Ns, priv);
}
static void
interface_finalize(JSFreeOp *fop,
JSObject *obj)
{
Interface *priv;
priv = (Interface*) JS_GetPrivate(obj);
if (priv == NULL)
return;
if (priv->info != NULL)
g_base_info_unref((GIBaseInfo*)priv->info);
g_clear_pointer(&priv->vtable, (GDestroyNotify)g_type_default_interface_unref);
GJS_DEC_COUNTER(interface);
g_slice_free(Interface, priv);
}
static void
param_finalize(JSFreeOp *fop,
JSObject *obj)
{
Param *priv;
priv = (Param*) JS_GetPrivate(obj);
gjs_debug_lifecycle(GJS_DEBUG_GPARAM,
"finalize, obj %p priv %p", obj, priv);
if (priv == NULL)
return; /* wrong class? */
if (priv->gparam) {
g_param_spec_unref(priv->gparam);
priv->gparam = NULL;
}
GJS_DEC_COUNTER(param);
g_slice_free(Param, priv);
}
static void
param_finalize(JSContext *context,
JSObject *obj)
{
Param *priv;
priv = priv_from_js(context, obj);
gjs_debug_lifecycle(GJS_DEBUG_GPARAM,
"finalize, obj %p priv %p", obj, priv);
if (priv == NULL)
return; /* wrong class? */
if (priv->gparam) {
g_param_spec_unref(priv->gparam);
priv->gparam = NULL;
}
GJS_DEC_COUNTER(param);
g_slice_free(Param, priv);
}
static void
error_finalize(JSContext *context,
JSObject *obj)
{
Error *priv;
priv = priv_from_js(context, obj);
gjs_debug_lifecycle(GJS_DEBUG_GERROR,
"finalize, obj %p priv %p", obj, priv);
if (priv == NULL)
return; /* wrong class? */
g_clear_error (&priv->gerror);
if (priv->info) {
g_base_info_unref( (GIBaseInfo*) priv->info);
priv->info = NULL;
}
GJS_DEC_COUNTER(gerror);
g_slice_free(Error, priv);
}
static void
fundamental_finalize(JSFreeOp *fop,
JSObject *obj)
{
FundamentalInstance *priv;
priv = (FundamentalInstance *) JS_GetPrivate(obj);
gjs_debug_lifecycle(GJS_DEBUG_GFUNDAMENTAL,
"finalize, obj %p priv %p", obj, priv);
if (priv == NULL)
return; /* wrong class? */
if (priv->prototype) {
if (priv->gfundamental) {
_fundamental_remove_object(priv->gfundamental);
priv->prototype->unref_function(priv->gfundamental);
priv->gfundamental = NULL;
}
g_slice_free(FundamentalInstance, priv);
GJS_DEC_COUNTER(fundamental);
} else {
Fundamental *proto_priv = (Fundamental *) priv;
/* Only unref infos when freeing the prototype */
if (proto_priv->constructor_info)
g_base_info_unref (proto_priv->constructor_info);
proto_priv->constructor_info = NULL;
if (proto_priv->info)
g_base_info_unref((GIBaseInfo *) proto_priv->info);
proto_priv->info = NULL;
g_slice_free(Fundamental, proto_priv);
}
}
/* Invalidation is like "dispose" - it is guaranteed to happen at
* finalize, but may happen before finalize. Normally, g_closure_invalidate()
* is called when the "target" of the closure becomes invalid, so that the
* source (the signal connection, say can be removed.) The usage above
* in invalidate_js_pointers() is typical. Since the target of the closure
* is under our control, it's unlikely that g_closure_invalidate() will ever
* be called by anyone else, but in case it ever does, it's slightly better
* to remove the "keep alive" here rather than in the finalize notifier.
*
* Unlike "dispose" invalidation only happens once.
*/
static void
closure_invalidated(gpointer data,
GClosure *closure)
{
Closure *c;
c = (Closure*) closure;
GJS_DEC_COUNTER(closure);
gjs_debug_closure("Invalidating closure %p which calls object %p",
closure, c->obj);
if (c->obj == NULL) {
gjs_debug_closure(" (closure %p already dead, nothing to do)",
closure);
return;
}
/* this will set c->obj to null if the context is dead
*/
check_context_valid(c);
if (c->obj == NULL) {
/* Context is dead here. This happens if, as a side effect of
* tearing down the context, the closure was invalidated,
* say be some other finalized object that had a ref to
* the closure dropping said ref.
*
* Because c->obj was not NULL at the start of
* closure_invalidated, we know that
* global_context_finalized() has not been called. So we know
* we are not being invalidated from inside
* global_context_finalized().
*
* That means global_context_finalized() has yet to be called,
* but we know it will be called, because the context is dead
* and thus its global object should be finalized.
*
* We can't call gjs_keep_alive_remove_global_child() because
* the context is invalid memory and we can't get to the
* global object that stores the keep alive.
*
* So global_context_finalized() could be called on an
* already-finalized closure. To avoid this, we temporarily
* ref ourselves, and set a flag to remove this ref
* in global_context_finalized().
*/
gjs_debug_closure(" (closure %p's context was dead, holding ref "
"until global object finalize)",
closure);
c->unref_on_global_object_finalized = TRUE;
g_closure_ref(&c->base);
} else {
/* If the context still exists, then remove our destroy
* notifier. Otherwise we would call the destroy notifier on
* an already-freed closure.
*
* This happens in the normal case, when the closure is
* invalidated for some reason other than destruction of the
* JSContext.
*/
gjs_debug_closure(" (closure %p's context was alive, "
"removing our destroy notifier on global object)",
closure);
gjs_keep_alive_remove_global_child(c->context,
global_context_finalized,
c->obj,
c);
c->obj = NULL;
c->context = NULL;
c->runtime = NULL;
}
}
static void
closure_finalized(gpointer data,
GClosure *closure)
{
GJS_DEC_COUNTER(closure);
}