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object: return self in object_ref()

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This allow for simpler assignment with ref: foo = object_ref(bar)

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200110153039.1379601-19-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Marc-André Lureau 2020-01-10 19:30:31 +04:00 committed by Paolo Bonzini
parent 9859facc04
commit b77ade9bb3
2 changed files with 5 additions and 3 deletions
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3
include/qom/object.h
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@ -1005,8 +1005,9 @@ GSList *object_class_get_list_sorted(const char *implements_type,
* *
* Increase the reference count of a object. A object cannot be freed as long * Increase the reference count of a object. A object cannot be freed as long
* as its reference count is greater than zero. * as its reference count is greater than zero.
* Returns: @obj
*/ */
void object_ref(Object *obj); Object *object_ref(Object *obj);
/** /**
* object_unref: * object_unref:

5
qom/object.c
View File

@ -1107,12 +1107,13 @@ GSList *object_class_get_list_sorted(const char *implements_type,
object_class_cmp); object_class_cmp);
} }
void object_ref(Object *obj) Object *object_ref(Object *obj)
{ {
if (!obj) { if (!obj) {
return; return NULL;
} }
atomic_inc(&obj->ref); atomic_inc(&obj->ref);
return obj;
} }
void object_unref(Object *obj) void object_unref(Object *obj)