diff options
| author | Lin Ma <lma@suse.com> | 2015-03-30 16:36:28 +0800 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2015-04-01 10:06:38 +0200 |
| commit | d6edb15576643ab348a9f73e115c2e037edf7460 (patch) | |
| tree | 54365e3a269416ad3fac1efee0a9c320754f9185 /include | |
| parent | 033a20359aaf93f4d8aa2be12558901e8e028baa (diff) | |
qom: Add can_be_deleted callback to UserCreatableClass
If backends implement the can_be_deleted and it returns false,
Then the qmp_object_del won't delete the given backends.
Signed-off-by: Lin Ma <lma@suse.com>
Message-Id: <1427704589-7688-2-git-send-email-lma@suse.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/qom/object_interfaces.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/qom/object_interfaces.h b/include/qom/object_interfaces.h index b7922833e1..283ae0db4d 100644 --- a/include/qom/object_interfaces.h +++ b/include/qom/object_interfaces.h @@ -25,6 +25,8 @@ typedef struct UserCreatable { * UserCreatableClass: * @parent_class: the base class * @complete: callback to be called after @obj's properties are set. + * @can_be_deleted: callback to be called before an object is removed + * to check if @obj can be removed safely. * * Interface is designed to work with -object/object-add/object_add * commands. @@ -47,6 +49,7 @@ typedef struct UserCreatableClass { /* <public> */ void (*complete)(UserCreatable *uc, Error **errp); + bool (*can_be_deleted)(UserCreatable *uc, Error **errp); } UserCreatableClass; /** @@ -59,4 +62,14 @@ typedef struct UserCreatableClass { * nothing. */ void user_creatable_complete(Object *obj, Error **errp); + +/** + * user_creatable_can_be_deleted: + * @uc: the object whose can_be_deleted() method is called if implemented + * @errp: if an error occurs, a pointer to an area to store the error + * + * Wrapper to call can_be_deleted() method if one of types it's inherited + * from implements USER_CREATABLE interface. + */ +bool user_creatable_can_be_deleted(UserCreatable *uc, Error **errp); #endif |