glib/tests/refcount/signals.c
2011-05-02 11:50:23 -04:00

285 lines
6.4 KiB
C

#include <unistd.h>
#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))
static GRand *rand;
typedef struct _GTest GTest;
typedef struct _GTestClass GTestClass;
struct _GTest
{
GObject object;
gint value;
};
struct _GTestClass
{
GObjectClass parent_class;
void (*test_signal1) (GTest * test, gint an_int);
void (*test_signal2) (GTest * test, gint an_int);
};
static GType my_test_get_type (void);
static volatile gboolean stopping;
/* Element signals and args */
enum
{
TEST_SIGNAL1,
TEST_SIGNAL2,
/* add more above */
LAST_SIGNAL
};
enum
{
ARG_0,
ARG_TEST_PROP
};
static void my_test_class_init (GTestClass * klass);
static void my_test_init (GTest * test);
static void my_test_dispose (GObject * object);
static void signal2_handler (GTest * test, gint anint);
static void my_test_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void my_test_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static GObjectClass *parent_class = NULL;
static guint my_test_signals[LAST_SIGNAL] = { 0 };
static GType
my_test_get_type (void)
{
static GType test_type = 0;
if (!test_type) {
static const GTypeInfo test_info = {
sizeof (GTestClass),
NULL,
NULL,
(GClassInitFunc) my_test_class_init,
NULL,
NULL,
sizeof (GTest),
0,
(GInstanceInitFunc) my_test_init,
NULL
};
rand = g_rand_new();
test_type = g_type_register_static (G_TYPE_OBJECT, "GTest",
&test_info, 0);
}
return test_type;
}
static void
my_test_class_init (GTestClass * klass)
{
GObjectClass *gobject_class;
gobject_class = (GObjectClass *) klass;
parent_class = g_type_class_ref (G_TYPE_OBJECT);
if (!g_thread_supported ())
g_thread_init (NULL);
gobject_class->dispose = my_test_dispose;
gobject_class->set_property = my_test_set_property;
gobject_class->get_property = my_test_get_property;
my_test_signals[TEST_SIGNAL1] =
g_signal_new ("test-signal1", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GTestClass, test_signal1), NULL,
NULL, g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT);
my_test_signals[TEST_SIGNAL2] =
g_signal_new ("test-signal2", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GTestClass, test_signal2), NULL,
NULL, g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT);
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_TEST_PROP,
g_param_spec_int ("test-prop", "Test Prop", "Test property",
0, 1, 0, G_PARAM_READWRITE));
klass->test_signal2 = signal2_handler;
}
static void
my_test_init (GTest * test)
{
g_print ("init %p\n", test);
test->value = 0;
}
static void
my_test_dispose (GObject * object)
{
GTest *test;
test = MY_TEST (object);
g_print ("dispose %p!\n", test);
G_OBJECT_CLASS (parent_class)->dispose (object);
}
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 ARG_TEST_PROP:
test->value = g_value_get_int (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
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 ARG_TEST_PROP:
g_value_set_int (value, test->value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
my_test_do_signal1 (GTest * test)
{
g_signal_emit (G_OBJECT (test), my_test_signals[TEST_SIGNAL1], 0, 0);
}
static void
signal2_handler (GTest * test, gint anint)
{
}
static void
my_test_do_signal2 (GTest * test)
{
g_signal_emit (G_OBJECT (test), my_test_signals[TEST_SIGNAL2], 0, 0);
}
static void
my_test_do_prop (GTest * test)
{
test->value = g_rand_int (rand);
g_object_notify (G_OBJECT (test), "test-prop");
}
static gpointer
run_thread (GTest * test)
{
gint i = 1;
while (!stopping) {
if (TESTNUM == 1)
my_test_do_signal1 (test);
if (TESTNUM == 2)
my_test_do_signal2 (test);
if (TESTNUM == 3)
my_test_do_prop (test);
if ((i++ % 10000) == 0) {
g_print (".");
g_thread_yield(); /* force context switch */
}
}
return NULL;
}
static void
notify (GObject *object, GParamSpec *spec, gpointer user_data)
{
gint value;
g_object_get (object, "test-prop", &value, NULL);
/*g_print ("+ %d", value);*/
}
int
main (int argc, char **argv)
{
gint i;
GTest *test1, *test2;
GArray *test_threads;
const gint n_threads = 1;
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 ();
test1 = g_object_new (G_TYPE_TEST, NULL);
test2 = g_object_new (G_TYPE_TEST, NULL);
g_signal_connect (test1, "notify::test-prop", G_CALLBACK (notify), NULL);
g_signal_connect (test1, "test-signal1", G_CALLBACK (notify), NULL);
g_signal_connect (test1, "test-signal2", G_CALLBACK (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, test1, TRUE, NULL);
g_array_append_val (test_threads, thread);
thread = g_thread_create ((GThreadFunc) run_thread, test2, TRUE, NULL);
g_array_append_val (test_threads, thread);
}
g_usleep (5000000);
stopping = TRUE;
g_print ("\nstopping\n");
/* join all threads */
for (i = 0; i < 2 * n_threads; i++) {
GThread *thread;
thread = g_array_index (test_threads, GThread *, i);
g_thread_join (thread);
}
g_print ("stopped\n");
return 0;
}