Exemplo n.º 1
0
static void*
register_thread (MonoThreadInfo *info, gpointer baseptr)
{
	int small_id = mono_thread_info_register_small_id ();
	gboolean result;
	mono_thread_info_set_tid (info, mono_native_thread_id_get ());
	info->small_id = small_id;

	InitializeCriticalSection (&info->suspend_lock);
	MONO_SEM_INIT (&info->resume_semaphore, 0);
	MONO_SEM_INIT (&info->finish_resume_semaphore, 0);

	/*set TLS early so SMR works */
	mono_native_tls_set_value (thread_info_key, info);

	THREADS_DEBUG ("registering info %p tid %p small id %x\n", info, mono_thread_info_get_tid (info), info->small_id);

	if (threads_callbacks.thread_register) {
		if (threads_callbacks.thread_register (info, baseptr) == NULL) {
			g_warning ("thread registation failed\n");
			g_free (info);
			return NULL;
		}
	}

	mono_threads_platform_register (info);

	/*If this fail it means a given thread has been registered twice, which doesn't make sense. */
	result = mono_thread_info_insert (info);
	g_assert (result);
	return info;
}
Exemplo n.º 2
0
static void*
register_thread (MonoThreadInfo *info, gpointer baseptr)
{
	size_t stsize = 0;
	guint8 *staddr = NULL;
	int small_id = mono_thread_info_register_small_id ();
	gboolean result;
	mono_thread_info_set_tid (info, mono_native_thread_id_get ());
	info->small_id = small_id;

	info->handle = g_new0 (MonoThreadHandle, 1);
	mono_refcount_init (info->handle, thread_handle_destroy);
	mono_os_event_init (&info->handle->event, FALSE);

	mono_os_sem_init (&info->resume_semaphore, 0);

	/*set TLS early so SMR works */
	mono_native_tls_set_value (thread_info_key, info);

	THREADS_DEBUG ("registering info %p tid %p small id %x\n", info, mono_thread_info_get_tid (info), info->small_id);

	if (threads_callbacks.thread_register) {
		if (threads_callbacks.thread_register (info, baseptr) == NULL) {
			// g_warning ("thread registation failed\n");
			mono_native_tls_set_value (thread_info_key, NULL);
			g_free (info);
			return NULL;
		}
	}

	mono_thread_info_get_stack_bounds (&staddr, &stsize);
	g_assert (staddr);
	g_assert (stsize);
	info->stack_start_limit = staddr;
	info->stack_end = staddr + stsize;

	info->stackdata = g_byte_array_new ();

	mono_threads_suspend_register (info);

	/*
	Transition it before taking any locks or publishing itself to reduce the chance
	of others witnessing a detached thread.
	We can reasonably expect that until this thread gets published, no other thread will
	try to manipulate it.
	*/
	mono_threads_transition_attach (info);
	mono_thread_info_suspend_lock ();
	/*If this fail it means a given thread has been registered twice, which doesn't make sense. */
	result = mono_thread_info_insert (info);
	g_assert (result);
	mono_thread_info_suspend_unlock ();
	return info;
}