static void
test_g_static_rec_mutex (void)
{
GThread *thread;
g_assert (g_static_rec_mutex_trylock (&test_g_static_rec_mutex_mutex));
test_g_static_rec_mutex_thread_ready = FALSE;
thread = g_thread_create (test_g_static_rec_mutex_thread,
GINT_TO_POINTER (42), TRUE, NULL);
/* This busy wait is only for testing purposes and not an example of
* good code!*/
while (!test_g_static_rec_mutex_thread_ready)
g_usleep (G_USEC_PER_SEC / 5);
g_assert (g_static_rec_mutex_trylock (&test_g_static_rec_mutex_mutex));
test_g_static_rec_mutex_int = 41;
g_static_rec_mutex_unlock (&test_g_static_rec_mutex_mutex);
test_g_static_rec_mutex_int = 42;
g_static_rec_mutex_unlock (&test_g_static_rec_mutex_mutex);
/* This busy wait is only for testing purposes and not an example of
* good code!*/
while (test_g_static_rec_mutex_thread_ready)
g_usleep (G_USEC_PER_SEC / 5);
g_static_rec_mutex_lock (&test_g_static_rec_mutex_mutex);
test_g_static_rec_mutex_int = 0;
g_static_rec_mutex_unlock (&test_g_static_rec_mutex_mutex);
g_assert (GPOINTER_TO_INT (g_thread_join (thread)) == 43);
}
/**
* Aquire the IO lock
*/
void
rs_io_lock_real(const gchar *source_file, gint line, const gchar *caller)
{
RS_DEBUG(LOCKING, "[%s:%d %s()] \033[33mrequesting\033[0m IO lock (thread %p)",
source_file, line, caller,
(g_timer_start(io_lock_timer), g_thread_self()));
/* Each loop tries approx every millisecond, so we wait 10 secs */
int tries_left = 10*1000;
while (FALSE == g_static_rec_mutex_trylock(&io_lock));
{
g_usleep(1000);
if (--tries_left <= 0)
{
RS_DEBUG(LOCKING, "[%s:%d %s()] \033[31mIO Lock was not released after \033[36m%.2f\033[0mms\033[0m, ignoring IO lock (thread %p)",
source_file, line, caller,
g_timer_elapsed(io_lock_timer, NULL)*1000.0,
(g_timer_start(io_lock_timer), g_thread_self()));
return;
}
}
RS_DEBUG(LOCKING, "[%s:%d %s()] \033[32mgot\033[0m IO lock after \033[36m%.2f\033[0mms (thread %p)",
source_file, line, caller,
g_timer_elapsed(io_lock_timer, NULL)*1000.0,
(g_timer_start(io_lock_timer), g_thread_self()));
}
static gpointer
test_g_static_rec_mutex_thread (gpointer data)
{
g_assert (GPOINTER_TO_INT (data) == 42);
g_assert (g_static_rec_mutex_trylock (&test_g_static_rec_mutex_mutex)
== FALSE);
test_g_static_rec_mutex_thread_ready = TRUE;
g_static_rec_mutex_lock (&test_g_static_rec_mutex_mutex);
g_static_rec_mutex_lock (&test_g_static_rec_mutex_mutex);
g_assert (test_g_static_rec_mutex_int == 42);
test_g_static_rec_mutex_thread_ready = FALSE;
g_static_rec_mutex_unlock (&test_g_static_rec_mutex_mutex);
g_static_rec_mutex_unlock (&test_g_static_rec_mutex_mutex);
g_thread_exit (GINT_TO_POINTER (43));
g_assert_not_reached ();
return NULL;
}
