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/*
* Copyright (C) 2018 Red Hat, Inc.
*
* This library 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
* licence, or (at your option) any later version.
*
* This is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include <glib/glib.h>
#include <gio/gio.h>
#define MAX_RUNS 20
static gboolean
quit_loop (gpointer user_data)
{
g_main_loop_quit (user_data);
return FALSE;
}
static gpointer
thread_func (gpointer user_data)
{
g_network_monitor_get_default ();
g_timeout_add (100, quit_loop, user_data);
return NULL;
}
static gboolean
call_func (gpointer user_data)
{
GThread *thread;
thread = g_thread_new (NULL, thread_func, user_data);
g_thread_unref (thread);
return FALSE;
}
/* Test that calling g_network_monitor_get_default() in a thread doesn’t cause
* a crash. This is a probabilistic test; since it’s testing a race condition,
* it can’t deterministically reproduce the problem. The threading has to
* happen in subprocesses, since the result of g_network_monitor_get_default()
* is unavoidably cached once created. */
static void
test_network_monitor (void)
{
guint ii;
g_test_bug ("793727");
if (g_test_subprocess ())
{
GMainLoop *main_loop;
main_loop = g_main_loop_new (NULL, FALSE);
g_timeout_add (1, call_func, main_loop);
g_main_loop_run (main_loop);
g_main_loop_unref (main_loop);
return;
}
for (ii = 0; ii < MAX_RUNS; ii++)
{
g_test_trap_subprocess (NULL, 0, 0);
g_test_trap_assert_passed ();
}
}
int
main (int argc, char *argv[])
{
g_test_init (&argc, &argv, NULL);
g_test_bug_base ("https://bugzilla.gnome.org/show_bug.cgi?id=");
g_test_add_func ("/network-monitor/create-in-thread",
test_network_monitor);
return g_test_run ();
}
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