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tests/mainloop: fix a race condition

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Rather than depending on the machine's speed/load, just interlock
between the two threads properly.
This commit is contained in:
Dan Winship 2012-04-13 11:43:09 -04:00
parent e0aa0ae8a2
commit baf0ebf7b2
1 changed files with 9 additions and 1 deletions
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10
glib/tests/mainloop.c
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@ -253,6 +253,9 @@ call_func (gpointer data)
return G_SOURCE_REMOVE;
}
static GMutex mutex;
static GCond cond;
static gpointer
thread_func (gpointer data)
{
@ -261,6 +264,10 @@ thread_func (gpointer data)
g_main_context_push_thread_default (ctx);
g_mutex_lock (&mutex);
g_cond_signal (&cond);
g_mutex_unlock (&mutex);
source = g_timeout_source_new (500);
g_source_set_callback (source, (GSourceFunc)g_thread_exit, NULL, NULL);
g_source_attach (source, ctx);
@ -293,9 +300,10 @@ test_invoke (void)
* to another thread
*/
ctx = g_main_context_new ();
g_mutex_lock (&mutex);
thread = g_thread_new ("worker", thread_func, ctx);
g_usleep (1000); /* give some time to push the thread-default */
g_cond_wait (&cond, &mutex);
g_main_context_invoke (ctx, func, thread);
g_assert_cmpint (count, ==, 2);