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#include <glib.h>
/* GMutex */
static GMutex* test_g_mutex_mutex = NULL;
static guint test_g_mutex_int = 0;
G_LOCK_DEFINE_STATIC (test_g_mutex);
static void
test_g_mutex_thread (gpointer data)
{
g_assert (GPOINTER_TO_INT (data) == 42);
g_assert (g_mutex_trylock (test_g_mutex_mutex) == FALSE);
g_assert (G_TRYLOCK (test_g_mutex) == FALSE);
g_mutex_lock (test_g_mutex_mutex);
g_assert (test_g_mutex_int == 42);
g_mutex_unlock (test_g_mutex_mutex);
}
static void
test_g_mutex (void)
{
GThread *thread;
test_g_mutex_mutex = g_mutex_new ();
g_assert (g_mutex_trylock (test_g_mutex_mutex));
g_assert (G_TRYLOCK (test_g_mutex));
thread = g_thread_create (test_g_mutex_thread,
GINT_TO_POINTER (42),
0, TRUE, TRUE, G_THREAD_PRIORITY_NORMAL);
g_usleep (G_MICROSEC);
test_g_mutex_int = 42;
G_UNLOCK (test_g_mutex);
g_mutex_unlock (test_g_mutex_mutex);
g_thread_join (thread);
g_mutex_free (test_g_mutex_mutex);
}
/* GStaticRecMutex */
static GStaticRecMutex test_g_static_rec_mutex_mutex = G_STATIC_REC_MUTEX_INIT;
static guint test_g_static_rec_mutex_int = 0;
static void
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);
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);
g_static_rec_mutex_unlock (&test_g_static_rec_mutex_mutex);
g_static_rec_mutex_unlock (&test_g_static_rec_mutex_mutex);
}
static void
test_g_static_rec_mutex (void)
{
GThread *thread;
g_assert (g_static_rec_mutex_trylock (&test_g_static_rec_mutex_mutex));
thread = g_thread_create (test_g_static_rec_mutex_thread,
GINT_TO_POINTER (42),
0, TRUE, TRUE, G_THREAD_PRIORITY_NORMAL);
g_usleep (G_MICROSEC);
g_assert (g_static_rec_mutex_trylock (&test_g_static_rec_mutex_mutex));
g_usleep (G_MICROSEC);
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);
g_usleep (G_MICROSEC);
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_thread_join (thread);
}
/* GStaticPrivate */
#define THREADS 10
static GStaticPrivate test_g_static_private_private = G_STATIC_PRIVATE_INIT;
static GStaticMutex test_g_static_private_mutex = G_STATIC_MUTEX_INIT;
static guint test_g_static_private_counter = 0;
static gpointer
test_g_static_private_constructor (void)
{
g_static_mutex_lock (&test_g_static_private_mutex);
test_g_static_private_counter++;
g_static_mutex_unlock (&test_g_static_private_mutex);
return g_new (guint,1);
}
static void
test_g_static_private_destructor (gpointer data)
{
g_static_mutex_lock (&test_g_static_private_mutex);
test_g_static_private_counter--;
g_static_mutex_unlock (&test_g_static_private_mutex);
g_free (data);
}
static void
test_g_static_private_thread (gpointer data)
{
guint number = GPOINTER_TO_INT (data);
guint i;
guint* private;
for (i = 0; i < 10; i++)
{
number = number * 11 + 1; /* A very simple and bad RNG ;-) */
private = g_static_private_get (&test_g_static_private_private);
if (!private || number % 7 > 3)
{
private = test_g_static_private_constructor ();
g_static_private_set (&test_g_static_private_private, private,
test_g_static_private_destructor);
}
*private = number;
g_usleep (G_MICROSEC / 5);
g_assert (number == *private);
}
}
static void
test_g_static_private (void)
{
GThread *threads[THREADS];
guint i;
for (i = 0; i < THREADS; i++)
{
threads[i] = g_thread_create (test_g_static_private_thread,
GINT_TO_POINTER (i),
0, TRUE, TRUE,
G_THREAD_PRIORITY_NORMAL);
}
for (i = 0; i < THREADS; i++)
{
g_thread_join (threads[i]);
}
g_assert (test_g_static_private_counter == 0);
}
/* GStaticRWLock */
/* -1 = writing; >0 = # of readers */
static gint test_g_static_rw_lock_state = 0;
G_LOCK_DEFINE (test_g_static_rw_lock_state);
static gboolean test_g_static_rw_lock_run = TRUE;
static GStaticRWLock test_g_static_rw_lock_lock = G_STATIC_RW_LOCK_INIT;
static void
test_g_static_rw_lock_thread (gpointer data)
{
while (test_g_static_rw_lock_run)
{
if (g_random_double() > .2) /* I'm a reader */
{
if (g_random_double() > .2) /* I'll block */
g_static_rw_lock_reader_lock (&test_g_static_rw_lock_lock);
else /* I'll only try */
if (!g_static_rw_lock_reader_trylock (&test_g_static_rw_lock_lock))
continue;
G_LOCK (test_g_static_rw_lock_state);
g_assert (test_g_static_rw_lock_state >= 0);
test_g_static_rw_lock_state++;
G_UNLOCK (test_g_static_rw_lock_state);
g_usleep (10);
G_LOCK (test_g_static_rw_lock_state);
test_g_static_rw_lock_state--;
G_UNLOCK (test_g_static_rw_lock_state);
g_static_rw_lock_reader_unlock (&test_g_static_rw_lock_lock);
}
else /* I'm a writer */
{
if (g_random_double() > .2) /* I'll block */
g_static_rw_lock_writer_lock (&test_g_static_rw_lock_lock);
else /* I'll only try */
if (!g_static_rw_lock_writer_trylock (&test_g_static_rw_lock_lock))
continue;
G_LOCK (test_g_static_rw_lock_state);
g_assert (test_g_static_rw_lock_state == 0);
test_g_static_rw_lock_state = -1;
G_UNLOCK (test_g_static_rw_lock_state);
g_usleep (10);
G_LOCK (test_g_static_rw_lock_state);
test_g_static_rw_lock_state = 0;
G_UNLOCK (test_g_static_rw_lock_state);
g_static_rw_lock_writer_unlock (&test_g_static_rw_lock_lock);
}
}
}
static void
test_g_static_rw_lock ()
{
GThread *threads[THREADS];
guint i;
for (i = 0; i < THREADS; i++)
{
threads[i] = g_thread_create (test_g_static_rw_lock_thread,
0, 0, TRUE, TRUE,
G_THREAD_PRIORITY_NORMAL);
}
g_usleep (G_MICROSEC);
test_g_static_rw_lock_run = FALSE;
for (i = 0; i < THREADS; i++)
{
g_thread_join (threads[i]);
}
g_assert (test_g_static_rw_lock_state == 0);
}
/* run all the tests */
void
run_all_tests()
{
test_g_mutex ();
test_g_static_rec_mutex ();
test_g_static_private ();
test_g_static_rw_lock ();
}
int
main (int argc,
char *argv[])
{
/* Only run the test, if threads are enabled and a default thread
implementation is available */
#if defined(G_THREADS_ENABLED) && ! defined(G_THREADS_IMPL_NONE)
g_thread_init (NULL);
run_all_tests ();
/* Now we rerun all tests, but this time we fool the system into
* thinking, that the available thread system is not native, but
* userprovided. */
g_thread_use_default_impl = FALSE;
run_all_tests ();
#endif
return 0;
}
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