--- /dev/null
+#include <glib.h>
+#include <glib-object.h>
+
+#define G_TYPE_TEST (my_test_get_type ())
+#define MY_TEST(test) (G_TYPE_CHECK_INSTANCE_CAST ((test), G_TYPE_TEST, GTest))
+#define MY_IS_TEST(test) (G_TYPE_CHECK_INSTANCE_TYPE ((test), G_TYPE_TEST))
+#define MY_TEST_CLASS(tclass) (G_TYPE_CHECK_CLASS_CAST ((tclass), G_TYPE_TEST, GTestClass))
+#define MY_IS_TEST_CLASS(tclass) (G_TYPE_CHECK_CLASS_TYPE ((tclass), G_TYPE_TEST))
+#define MY_TEST_GET_CLASS(test) (G_TYPE_INSTANCE_GET_CLASS ((test), G_TYPE_TEST, GTestClass))
+
+enum {
+ PROP_0,
+ PROP_DUMMY
+};
+
+typedef struct _GTest GTest;
+typedef struct _GTestClass GTestClass;
+
+struct _GTest
+{
+ GObject object;
+ gint id;
+ gint dummy;
+
+ gint count;
+ gint setcount;
+};
+
+struct _GTestClass
+{
+ GObjectClass parent_class;
+};
+
+G_DEFINE_TYPE (GTest, my_test, G_TYPE_OBJECT);
+
+static volatile gboolean stopping;
+
+static void my_test_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec);
+static void my_test_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec);
+
+static void
+my_test_class_init (GTestClass * klass)
+{
+ GObjectClass *gobject_class;
+
+ gobject_class = (GObjectClass *) klass;
+
+ gobject_class->get_property = my_test_get_property;
+ gobject_class->set_property = my_test_set_property;
+
+ g_object_class_install_property (gobject_class,
+ PROP_DUMMY,
+ g_param_spec_int ("dummy",
+ NULL,
+ NULL,
+ 0, G_MAXINT, 0,
+ G_PARAM_READWRITE));
+}
+
+static void
+my_test_init (GTest * test)
+{
+ static guint static_id = 1;
+ test->id = static_id++;
+}
+
+static void
+my_test_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GTest *test;
+
+ test = MY_TEST (object);
+
+ switch (prop_id)
+ {
+ case PROP_DUMMY:
+ g_value_set_int (value, g_atomic_int_get (&test->dummy));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+my_test_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GTest *test;
+
+ test = MY_TEST (object);
+
+ switch (prop_id)
+ {
+ case PROP_DUMMY:
+ g_atomic_int_set (&test->dummy, g_value_get_int (value));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+dummy_notify (GObject *object,
+ GParamSpec *pspec)
+{
+ GTest *test;
+
+ test = MY_TEST (object);
+
+ g_atomic_int_inc (&test->count);
+}
+
+static void
+my_test_do_property (GTest * test)
+{
+ gint dummy;
+
+ g_atomic_int_inc (&test->setcount);
+
+ g_object_get (test, "dummy", &dummy, NULL);
+ g_object_set (test, "dummy", dummy + 1, NULL);
+}
+
+static gpointer
+run_thread (GTest * test)
+{
+ gint i = 1;
+
+ while (!stopping) {
+ my_test_do_property (test);
+ if ((i++ % 10000) == 0)
+ {
+ g_print (".%c", 'a' + test->id);
+ g_thread_yield(); /* force context switch */
+ }
+ }
+
+ return NULL;
+}
+
+int
+main (int argc, char **argv)
+{
+ gint i;
+ GTest *test;
+ GArray *test_threads;
+ const gint n_threads = 5;
+
+ g_thread_init (NULL);
+
+ g_print ("START: %s\n", argv[0]);
+ g_log_set_always_fatal (G_LOG_LEVEL_WARNING | G_LOG_LEVEL_CRITICAL | g_log_set_always_fatal (G_LOG_FATAL_MASK));
+ g_type_init ();
+
+ test = g_object_new (G_TYPE_TEST, NULL);
+
+ g_assert (test->count == test->dummy);
+ g_signal_connect (test, "notify::dummy", G_CALLBACK (dummy_notify), NULL);
+
+ test_threads = g_array_new (FALSE, FALSE, sizeof (GThread *));
+
+ stopping = FALSE;
+
+ for (i = 0; i < n_threads; i++) {
+ GThread *thread;
+
+ thread = g_thread_create ((GThreadFunc) run_thread, test, TRUE, NULL);
+ g_array_append_val (test_threads, thread);
+ }
+ g_usleep (30000000);
+
+ stopping = TRUE;
+ g_print ("\nstopping\n");
+
+ /* join all threads */
+ for (i = 0; i < n_threads; i++) {
+ GThread *thread;
+
+ thread = g_array_index (test_threads, GThread *, i);
+ g_thread_join (thread);
+ }
+
+ g_print ("stopped\n");
+
+ g_print ("%d %d\n", test->setcount, test->count);
+
+ g_array_free (test_threads, TRUE);
+ g_object_unref (test);
+
+ return 0;
+}
--- /dev/null
+#include <glib.h>
+#include <glib-object.h>
+
+#define MY_TYPE_BADGER (my_badger_get_type ())
+#define MY_BADGER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), MY_TYPE_BADGER, MyBadger))
+#define MY_IS_BADGER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), MY_TYPE_BADGER))
+#define MY_BADGER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), MY_TYPE_BADGER, MyBadgerClass))
+#define MY_IS_BADGER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), MY_TYPE_BADGER))
+#define MY_BADGER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), MY_TYPE_BADGER, MyBadgerClass))
+
+enum {
+ PROP_0,
+ PROP_MAMA
+};
+
+typedef struct _MyBadger MyBadger;
+typedef struct _MyBadgerClass MyBadgerClass;
+
+struct _MyBadger
+{
+ GObject parent_instance;
+
+ MyBadger * mama;
+ guint mama_notify_count;
+};
+
+struct _MyBadgerClass
+{
+ GObjectClass parent_class;
+};
+
+G_DEFINE_TYPE (MyBadger, my_badger, G_TYPE_OBJECT);
+
+static void my_badger_dispose (GObject * object);
+
+static void my_badger_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec);
+static void my_badger_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec);
+
+static void my_badger_mama_notify (GObject *object,
+ GParamSpec *pspec);
+
+static void
+my_badger_class_init (MyBadgerClass * klass)
+{
+ GObjectClass *gobject_class;
+
+ gobject_class = (GObjectClass *) klass;
+
+ gobject_class->dispose = my_badger_dispose;
+
+ gobject_class->get_property = my_badger_get_property;
+ gobject_class->set_property = my_badger_set_property;
+
+ g_object_class_install_property (gobject_class,
+ PROP_MAMA,
+ g_param_spec_object ("mama",
+ NULL,
+ NULL,
+ MY_TYPE_BADGER,
+ G_PARAM_READWRITE));
+}
+
+static void
+my_badger_init (MyBadger * self)
+{
+ g_signal_connect (self, "notify::mama", G_CALLBACK (my_badger_mama_notify),
+ NULL);
+}
+
+static void
+my_badger_dispose (GObject * object)
+{
+ MyBadger * self;
+
+ self = MY_BADGER (object);
+
+ if (self->mama != NULL)
+ {
+ g_object_unref (self->mama);
+ self->mama = NULL;
+ }
+
+ G_OBJECT_CLASS (my_badger_parent_class)->dispose (object);
+}
+
+static void
+my_badger_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ MyBadger *self;
+
+ self = MY_BADGER (object);
+
+ switch (prop_id)
+ {
+ case PROP_MAMA:
+ g_value_set_object (value, self->mama);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+my_badger_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ MyBadger *self;
+
+ self = MY_BADGER (object);
+
+ switch (prop_id)
+ {
+ case PROP_MAMA:
+ if (self->mama)
+ g_object_unref (self->mama);
+ self->mama = g_value_dup_object (value);
+ if (self->mama)
+ g_object_set (self->mama, "mama", NULL, NULL); /* another notify */
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+my_badger_mama_notify (GObject *object,
+ GParamSpec *pspec)
+{
+ MyBadger *self;
+
+ self = MY_BADGER (object);
+
+ self->mama_notify_count++;
+}
+
+int
+main (int argc, char **argv)
+{
+ MyBadger * badger1, * badger2;
+
+ g_print ("START: %s\n", argv[0]);
+ g_log_set_always_fatal (G_LOG_LEVEL_WARNING | G_LOG_LEVEL_CRITICAL | g_log_set_always_fatal (G_LOG_FATAL_MASK));
+ g_type_init ();
+
+ badger1 = g_object_new (MY_TYPE_BADGER, NULL);
+ badger2 = g_object_new (MY_TYPE_BADGER, NULL);
+
+ g_object_set (badger1, "mama", badger2, NULL);
+ g_assert_cmpuint (badger1->mama_notify_count, ==, 1);
+ g_assert_cmpuint (badger2->mama_notify_count, ==, 1);
+
+ g_object_unref (badger1);
+ g_object_unref (badger2);
+
+ return 0;
+}
projects / platform / upstream / glib.git / commitdiff