* dbus/dbus-threads.c: Add static DBusList *uninitialized_mutex_list and

        static DBusList *uninitialized_condvar_list to support new late
        initialization threading model.  In this model threads can be initialized
        even after the D-Bus API has been used but still needs to be initialized
        before the second thread has been started.  Mutexes and condvar addresses
        are stored in the two static lists and are replaced with actuall locks
        when threads are initalized.
        (_dbus_mutex_new_at_location): New method for creating a mutex and placing
        the location into the static list
        (_dbus_mutex_free_at_location): New method for removing a mutex location
        from the static list and freeing the mutex
        (_dbus_condvar_new_at_location): New method for creating a conditional
        variable and placing the location into the static list
        (_dbus_condvar_free_at_location): New method for removing a conditional
        variable location from the static list and freeing the conditional variable
        (init_uninitialized_locks): Atomic method which goes through the static
        lists of mutex and condvar location and updates them with actuall locks
        (init_global_locks): changed to init_locks

        * dbus/dbus-connection.c:
        (_dbus_connection_test_get_locks): New method for tests to check connections
        (_dbus_connection_new_for_transport): Use the new at_location mutex and
        condvar API
        (dbus_connection_allocate_data_slot): Pass in the global lock address
        to _dbus_data_slot_allocator_alloc

        * dbus/dbus-dataslot.c:
        (_dbus_data_slot_allocator_alloc): Use the address of the mutex
        instead of the mutex itself

        * dbus/dbus-message.c:
        (dbus_message_allocate_data_slot): Pass in the global lock address
        to _dbus_data_slot_allocator_alloc

        * dbus/dbus-pending-call.c:
        (dbus_pending_call_allocate_data_slot): Pass in the global lock address
        to _dbus_data_slot_allocator_alloc

        * dbus/dbus-server.c:
        (_dbus_server_init_base): Use the new at_location mutex API
        (dbus_server_allocate_data_slot): Pass in the global lock address
        to _dbus_data_slot_allocator_alloc

        * test/name-test/test-threads-init.c: New test case for late thread
        initialization

1 files changed, 181 insertions, 0 deletions

diff --git a/test/name-test/test-threads-init.c b/test/name-test/test-threads-init.c
new file mode 100644
index 00000000..e6743cce
--- /dev/null
+++ b/test/name-test/test-threads-init.c
@@ -0,0 +1,181 @@
+/**
+* Test to make sure late thread initialization works
+**/
+
+#include <dbus/dbus.h>
+#include <dbus/dbus-sysdeps.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <dbus/dbus-internals.h>
+
+static void
+_run_iteration (DBusConnection *conn)
+{
+  DBusPendingCall *echo_pending;
+  DBusPendingCall *dbus_pending;
+  DBusMessage *method;
+  DBusMessage *reply;
+  char *echo = "echo";
+
+  /* send the first message */
+  method = dbus_message_new_method_call ("org.freedesktop.DBus.TestSuiteEchoService",
+                                         "/org/freedesktop/TestSuite",
+                                         "org.freedesktop.TestSuite",
+                                         "Echo");
+
+  dbus_message_append_args (method, DBUS_TYPE_STRING, &echo, NULL);
+  dbus_connection_send_with_reply (conn, method, &echo_pending, -1);
+  dbus_message_unref (method);
+  
+  /* send the second message */
+  method = dbus_message_new_method_call (DBUS_SERVICE_DBUS,
+                                         DBUS_PATH_DBUS,
+                                         "org.freedesktop.Introspectable",
+                                         "Introspect");
+
+  dbus_connection_send_with_reply (conn, method, &dbus_pending, -1);
+  dbus_message_unref (method);
+
+  /* block on the second message (should return immediately) */
+  dbus_pending_call_block (dbus_pending);
+
+  /* block on the first message */
+  /* if it does not return immediately chances 
+     are we hit the block in poll bug */
+  dbus_pending_call_block (echo_pending);
+
+  /* check the reply only to make sure we
+     are not getting errors unrelated
+     to the block in poll bug */
+  reply = dbus_pending_call_steal_reply (echo_pending);
+
+  if (reply == NULL)
+    {
+      printf ("Failed: Reply is NULL ***\n");
+      exit (1);
+    }
+
+  if (dbus_message_get_type (reply) == DBUS_MESSAGE_TYPE_ERROR)
+    {
+      printf ("Failed: Reply is error: %s ***\n", dbus_message_get_error_name (reply));
+      exit (1);
+    } 
+
+  dbus_message_unref (reply);
+  dbus_pending_call_unref (dbus_pending);
+  dbus_pending_call_unref (echo_pending);
+  
+}
+static void
+check_mutex_lock (DBusMutex *mutex1, 
+                  DBusMutex *mutex2, 
+                  dbus_bool_t is_same)
+{
+  _dbus_assert (mutex1 != NULL);
+  _dbus_assert (mutex2 != NULL);
+  
+  if (is_same)
+    {
+      _dbus_assert (mutex1 == mutex2);
+    }
+  else
+    {
+      _dbus_assert (mutex1 != mutex2);
+    }
+}
+
+static void
+check_condvar_lock (DBusCondVar *condvar1,  
+                    DBusCondVar *condvar2,   
+                    dbus_bool_t is_same)
+{
+  _dbus_assert (condvar1 != NULL);
+  _dbus_assert (condvar2 != NULL);
+
+  if (is_same)
+    {
+      _dbus_assert (condvar1 == condvar2);
+    }
+  else
+    {
+      _dbus_assert (condvar1 != condvar2);
+    }
+}
+
+
+int
+main (int argc, char *argv[])
+{
+  long start_tv_sec, start_tv_usec;
+  long end_tv_sec, end_tv_usec;
+  int i;
+  DBusMessage *method;
+  DBusConnection *conn;
+  DBusError error;
+  DBusMutex *mutex1, *dispatch_mutex1, *io_path_mutex1;
+  DBusCondVar *dispatch_cond1, *io_path_cond1;
+  DBusMutex *mutex2, *dispatch_mutex2, *io_path_mutex2;
+  DBusCondVar *dispatch_cond2, *io_path_cond2;
+
+  printf ("*** Testing late thread init\n");
+
+  dbus_error_init (&error);
+
+  conn = dbus_bus_get (DBUS_BUS_SESSION, &error);
+
+  _dbus_connection_test_get_locks (conn, &mutex1, 
+                                         &dispatch_mutex1, 
+                                         &io_path_mutex1,
+                                         &dispatch_cond1,
+                                         &io_path_cond1);
+  _run_iteration (conn);
+  _dbus_connection_test_get_locks (conn, &mutex2,
+                                         &dispatch_mutex2,
+                                         &io_path_mutex2,
+                                         &dispatch_cond2,
+                                         &io_path_cond2);
+
+  check_mutex_lock (mutex1, mutex2, TRUE);
+  check_mutex_lock (dispatch_mutex1, dispatch_mutex2, TRUE);
+  check_mutex_lock (io_path_mutex1, io_path_mutex2, TRUE);
+  check_condvar_lock (dispatch_cond1, dispatch_cond2, TRUE);
+  check_condvar_lock (io_path_cond1, io_path_cond2, TRUE);
+
+  _dbus_threads_init_debug ();
+
+  _dbus_connection_test_get_locks (conn, &mutex1,
+                                         &dispatch_mutex1,
+                                         &io_path_mutex1,
+                                         &dispatch_cond1,
+                                         &io_path_cond1);
+
+  check_mutex_lock (mutex1, mutex2, FALSE);
+  check_mutex_lock (dispatch_mutex1, dispatch_mutex2, FALSE);
+  check_mutex_lock (io_path_mutex1, io_path_mutex2, FALSE);
+  check_condvar_lock (dispatch_cond1, dispatch_cond2, FALSE);
+  check_condvar_lock (io_path_cond1, io_path_cond2, FALSE);
+
+  _run_iteration (conn);
+  _dbus_connection_test_get_locks (conn, &mutex2,
+                                         &dispatch_mutex2,
+                                         &io_path_mutex2,
+                                         &dispatch_cond2,
+                                         &io_path_cond2);
+
+  check_mutex_lock (mutex1, mutex2, TRUE);
+  check_mutex_lock (dispatch_mutex1, dispatch_mutex2, TRUE);
+  check_mutex_lock (io_path_mutex1, io_path_mutex2, TRUE);
+  check_condvar_lock (dispatch_cond1, dispatch_cond2, TRUE);
+  check_condvar_lock (io_path_cond1, io_path_cond2, TRUE);
+
+  method = dbus_message_new_method_call ("org.freedesktop.TestSuiteEchoService",
+                                         "/org/freedesktop/TestSuite",
+                                         "org.freedesktop.TestSuite",
+                                         "Exit");
+  dbus_connection_send (conn, method, NULL);
+  dbus_message_unref (method);
+
+  printf ("Success ***\n");
+  exit (0);
+}