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[Qemu-arm] [PATCH for-3.2 v3 11/14] qom: teach interfaces to implement p


From: Marc-André Lureau
Subject: [Qemu-arm] [PATCH for-3.2 v3 11/14] qom: teach interfaces to implement post-init
Date: Wed, 7 Nov 2018 16:36:49 +0400

The following patches are going to implement post_init callbacks for
settings properties. The interface post_init are called before the
instance post_init, so the default interface behaviour can be
overriden if necessary.

Signed-off-by: Marc-André Lureau <address@hidden>
---
 qom/object.c                |  8 +++++++-
 tests/check-qom-interface.c | 23 +++++++++++++++++++++--
 2 files changed, 28 insertions(+), 3 deletions(-)

diff --git a/qom/object.c b/qom/object.c
index b1a7f70550..980eeb8283 100644
--- a/qom/object.c
+++ b/qom/object.c
@@ -290,7 +290,6 @@ static void type_initialize(TypeImpl *ti)
         assert(ti->instance_size == 0);
         assert(ti->abstract);
         assert(!ti->instance_init);
-        assert(!ti->instance_post_init);
         assert(!ti->instance_finalize);
         assert(!ti->num_interfaces);
     }
@@ -363,6 +362,13 @@ static void object_init_with_type(Object *obj, TypeImpl 
*ti)
 
 static void object_post_init_with_type(Object *obj, TypeImpl *ti)
 {
+    GSList *e;
+
+    for (e = ti->class->interfaces; e; e = e->next) {
+        TypeImpl *itype = OBJECT_CLASS(e->data)->type;
+        object_post_init_with_type(obj, itype);
+    }
+
     if (ti->instance_post_init) {
         ti->instance_post_init(obj);
     }
diff --git a/tests/check-qom-interface.c b/tests/check-qom-interface.c
index 2177f0dce5..cd2dd6dcee 100644
--- a/tests/check-qom-interface.c
+++ b/tests/check-qom-interface.c
@@ -31,9 +31,27 @@ typedef struct TestIfClass {
     uint32_t test;
 } TestIfClass;
 
+typedef struct DirectImpl {
+    Object parent_obj;
+
+    bool if_post_init;
+} DirectImpl;
+
+#define TYPE_DIRECT_IMPL "direct-impl"
+#define DIRECT_IMPL(obj) \
+    OBJECT_CHECK(DirectImpl, (obj), TYPE_DIRECT_IMPL)
+
+static void test_if_post_init(Object *obj)
+{
+    DirectImpl *d = DIRECT_IMPL(obj);
+
+    d->if_post_init = true;
+}
+
 static const TypeInfo test_if_info = {
     .name          = TYPE_TEST_IF,
     .parent        = TYPE_INTERFACE,
+    .instance_post_init = test_if_post_init,
     .class_size = sizeof(TestIfClass),
 };
 
@@ -47,11 +65,10 @@ static void test_class_init(ObjectClass *oc, void *data)
     tc->test = PATTERN;
 }
 
-#define TYPE_DIRECT_IMPL "direct-impl"
-
 static const TypeInfo direct_impl_info = {
     .name = TYPE_DIRECT_IMPL,
     .parent = TYPE_OBJECT,
+    .instance_size = sizeof(DirectImpl),
     .class_init = test_class_init,
     .interfaces = (InterfaceInfo[]) {
         { TYPE_TEST_IF },
@@ -70,10 +87,12 @@ static void test_interface_impl(const char *type)
 {
     Object *obj = object_new(type);
     TestIf *iobj = TEST_IF(obj);
+    DirectImpl *d = DIRECT_IMPL(obj);
     TestIfClass *ioc = TEST_IF_GET_CLASS(iobj);
 
     g_assert(iobj);
     g_assert(ioc->test == PATTERN);
+    g_assert(d->if_post_init == true);
     object_unref(obj);
 }
 
-- 
2.19.1.708.g4ede3d42df




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