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/*
* Copyright 2012 Red Hat, Inc.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* See the included COPYING file for more information.
*/
#include <glib-object.h>
gboolean fail;
#define THREADS 10
#define ROUNDS 10000
GObject *object;
gint bucket[THREADS]; /* accessed from multiple threads, but should never be contested due to the sequence of thread operations */
static gpointer
thread_func (gpointer data)
{
gint idx = GPOINTER_TO_INT (data);
gint i;
gint d;
gint value;
gint new_value;
for (i = 0; i < ROUNDS; i++)
{
d = g_random_int_range (-10, 100);
bucket[idx] += d;
retry:
value = GPOINTER_TO_INT (g_object_get_data (object, "test"));
new_value = value + d;
if (fail)
g_object_set_data (object, "test", GINT_TO_POINTER (new_value));
else
{
if (!g_object_replace_data (object, "test",
GINT_TO_POINTER (value),
GINT_TO_POINTER (new_value),
NULL, NULL))
goto retry;
}
g_thread_yield ();
}
return NULL;
}
static void
test_qdata_threaded (void)
{
gint sum;
gint i;
GThread *threads[THREADS];
gint result;
object = g_object_new (G_TYPE_OBJECT, NULL);
g_object_set_data (object, "test", GINT_TO_POINTER (0));
for (i = 0; i < THREADS; i++)
bucket[i] = 0;
for (i = 0; i < THREADS; i++)
threads[i] = g_thread_new ("qdata", thread_func, GINT_TO_POINTER (i));
for (i = 0; i < THREADS; i++)
g_thread_join (threads[i]);
sum = 0;
for (i = 0; i < THREADS; i++)
sum += bucket[i];
result = GPOINTER_TO_INT (g_object_get_data (object, "test"));
g_assert_cmpint (sum, ==, result);
g_object_unref (object);
}
static void
test_qdata_dup (void)
{
gchar *s, *s2;
GQuark quark;
gboolean b;
quark = g_quark_from_static_string ("test");
object = g_object_new (G_TYPE_OBJECT, NULL);
s = g_strdup ("s");
g_object_set_qdata_full (object, quark, s, g_free);
s2 = g_object_dup_qdata (object, quark, (GDuplicateFunc)g_strdup, NULL);
g_assert_cmpstr (s, ==, s2);
g_assert (s != s2);
g_free (s2);
b = g_object_replace_qdata (object, quark, s, "s2", NULL, NULL);
g_assert (b);
g_free (s);
g_object_unref (object);
}
int
main (int argc, char **argv)
{
g_test_init (&argc, &argv, NULL);
fail = !!g_getenv ("FAIL");
g_test_add_func ("/qdata/threaded", test_qdata_threaded);
g_test_add_func ("/qdata/dup", test_qdata_dup);
return g_test_run ();
}
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