First set of licensing changes

[mono.git] / mono / metadata / gc.c

diff --git a/mono/metadata/gc.c b/mono/metadata/gc.c
index 7f85c3a0e04b33dee00a398c595a7e1510d138fe..172660d1b55e93efbf291e6612ab9877883782ff 100644 (file)
--- a/mono/metadata/gc.c
+++ b/mono/metadata/gc.c
@@ -6,6 +6,7 @@
  * Copyright 2002-2003 Ximian, Inc (http://www.ximian.com)
  * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
  * Copyright 2012 Xamarin Inc (http://www.xamarin.com)
+ * Licensed under the MIT license. See LICENSE file in the project root for full license information.
  */
 
 #include <config.h>
@@ -71,7 +72,7 @@ static MonoCoopCond exited_cond;
 
 static MonoInternalThread *gc_thread;
 
-static void object_register_finalizer (MonoObject *obj, void (*callback)(void *, void*));
+static void object_register_finalizer (MonoObject *obj, void (*callback)(void *, void*), MonoError *error);
 
 static void reference_queue_proccess_all (void);
 static void mono_reference_queue_cleanup (void);
@@ -108,6 +109,7 @@ static gboolean suspend_finalizers = FALSE;
 void
 mono_gc_run_finalize (void *obj, void *data)
 {
+       MonoError error;
        MonoObject *exc = NULL;
        MonoObject *o;
 #ifndef HAVE_SGEN_GC
@@ -161,7 +163,8 @@ mono_gc_run_finalize (void *obj, void *data)
 #endif
 
        /* make sure the finalizer is not called again if the object is resurrected */
-       object_register_finalizer ((MonoObject *)obj, NULL);
+       object_register_finalizer ((MonoObject *)obj, NULL, &error);
+       mono_error_assert_ok (&error); /* FIXME don't swallow the error */
 
        if (log_finalizers)
                g_log ("mono-gc-finalizers", G_LOG_LEVEL_MESSAGE, "<%s at %p> Registered finalizer as processed.", o->vtable->klass->name, o);
@@ -228,7 +231,7 @@ mono_gc_run_finalize (void *obj, void *data)
        }
 
        /* 
-        * To avoid the locking plus the other overhead of mono_runtime_invoke (),
+        * To avoid the locking plus the other overhead of mono_runtime_invoke_checked (),
         * create and precompile a wrapper which calls the finalize method using
         * a CALLVIRT.
         */
@@ -243,7 +246,8 @@ mono_gc_run_finalize (void *obj, void *data)
 
        runtime_invoke = (RuntimeInvokeFunction)domain->finalize_runtime_invoke;
 
-       mono_runtime_class_init (o->vtable);
+       mono_runtime_class_init_full (o->vtable, &error);
+       mono_error_raise_exception (&error); /* FIXME don't raise here */
 
        if (G_UNLIKELY (MONO_GC_FINALIZE_INVOKE_ENABLED ())) {
                MONO_GC_FINALIZE_INVOKE ((unsigned long)o, mono_object_get_size (o),
@@ -267,12 +271,14 @@ mono_gc_run_finalize (void *obj, void *data)
 void
 mono_gc_finalize_threadpool_threads (void)
 {
+       MonoError error;
        while (threads_to_finalize) {
                MonoInternalThread *thread = (MonoInternalThread*) mono_mlist_get_data (threads_to_finalize);
 
                /* Force finalization of the thread. */
                thread->threadpool_thread = FALSE;
-               mono_object_register_finalizer ((MonoObject*)thread);
+               mono_object_register_finalizer ((MonoObject*)thread, &error);
+               mono_error_assert_ok (&error); /* FIXME don't swallow the error */
 
                mono_gc_run_finalize (thread, NULL);
 
@@ -302,12 +308,16 @@ mono_gc_out_of_memory (size_t size)
  * since that, too, can cause the underlying pointer to be offset.
  */
 static void
-object_register_finalizer (MonoObject *obj, void (*callback)(void *, void*))
+object_register_finalizer (MonoObject *obj, void (*callback)(void *, void*), MonoError *error)
 {
        MonoDomain *domain;
 
-       if (obj == NULL)
-               mono_raise_exception (mono_get_exception_argument_null ("obj"));
+       mono_error_init (error);
+
+       if (obj == NULL) {
+               mono_error_set_argument_null (error, "obj", "");
+               return;
+       }
 
        domain = obj->vtable->domain;
 
@@ -349,10 +359,10 @@ object_register_finalizer (MonoObject *obj, void (*callback)(void *, void*))
  * 
  */
 void
-mono_object_register_finalizer (MonoObject *obj)
+mono_object_register_finalizer (MonoObject *obj, MonoError *error)
 {
        /* g_print ("Registered finalizer on %p %s.%s\n", obj, mono_object_class (obj)->name_space, mono_object_class (obj)->name); */
-       object_register_finalizer (obj, mono_gc_run_finalize);
+       object_register_finalizer (obj, mono_gc_run_finalize, error);
 }
 
 /**
@@ -470,14 +480,19 @@ ves_icall_System_GC_KeepAlive (MonoObject *obj)
 void
 ves_icall_System_GC_ReRegisterForFinalize (MonoObject *obj)
 {
+       MonoError error;
+
        MONO_CHECK_ARG_NULL (obj,);
 
-       object_register_finalizer (obj, mono_gc_run_finalize);
+       object_register_finalizer (obj, mono_gc_run_finalize, &error);
+       mono_error_set_pending_exception (&error);
 }
 
 void
 ves_icall_System_GC_SuppressFinalize (MonoObject *obj)
 {
+       MonoError error;
+
        MONO_CHECK_ARG_NULL (obj,);
 
        /* delegates have no finalizers, but we register them to deal with the
@@ -491,7 +506,8 @@ ves_icall_System_GC_SuppressFinalize (MonoObject *obj)
         * generated for it that needs cleaned up, but user wants to suppress
         * their derived object finalizer. */
 
-       object_register_finalizer (obj, NULL);
+       object_register_finalizer (obj, NULL, &error);
+       mono_error_set_pending_exception (&error);
 }
 
 void
@@ -890,7 +906,7 @@ mono_gc_is_finalizer_internal_thread (MonoInternalThread *thread)
  * This routine tests whether the @thread argument represents the
  * finalization thread.
  * 
- * Returns true if @thread is the finalization thread.
+ * Returns: TRUE if @thread is the finalization thread.
  */
 gboolean
 mono_gc_is_finalizer_thread (MonoThread *thread)
@@ -1055,6 +1071,7 @@ mono_gc_reference_queue_new (mono_reference_queue_callback callback)
 gboolean
 mono_gc_reference_queue_add (MonoReferenceQueue *queue, MonoObject *obj, void *user_data)
 {
+       MonoError error;
        RefQueueEntry *entry;
        if (queue->should_be_deleted)
                return FALSE;
@@ -1064,7 +1081,8 @@ mono_gc_reference_queue_add (MonoReferenceQueue *queue, MonoObject *obj, void *u
        entry->domain = mono_object_domain (obj);
 
        entry->gchandle = mono_gchandle_new_weakref (obj, TRUE);
-       mono_object_register_finalizer (obj);
+       mono_object_register_finalizer (obj, &error);
+       mono_error_assert_ok (&error);
 
        ref_list_push (&queue->queue, entry);
        return TRUE;