24 #include "dbus-threads.h"
25 #include "dbus-internals.h"
26 #include "dbus-threads-internal.h"
27 #include "dbus-list.h"
39 static int thread_init_generation = 0;
45 #define _DBUS_DUMMY_MUTEX ((DBusMutex*)0xABCDEF)
48 #define _DBUS_DUMMY_CONDVAR ((DBusCondVar*)0xABCDEF2)
76 return _DBUS_DUMMY_MUTEX;
116 else if (mutex && thread_functions.
mutex_free)
186 return _DBUS_DUMMY_CONDVAR;
272 int timeout_milliseconds)
305 shutdown_global_locks (
void *data)
311 while (i < _DBUS_N_GLOBAL_LOCKS)
322 shutdown_uninitialized_locks (
void *data)
329 init_uninitialized_locks (
void)
335 link = uninitialized_mutex_list;
350 link = uninitialized_condvar_list;
375 link = uninitialized_condvar_list;
382 if (*cp != _DBUS_DUMMY_CONDVAR)
387 *cp = _DBUS_DUMMY_CONDVAR;
393 link = uninitialized_mutex_list;
400 if (*mp != _DBUS_DUMMY_MUTEX)
405 *mp = _DBUS_DUMMY_MUTEX;
420 #define LOCK_ADDR(name) (& _dbus_lock_##name)
422 LOCK_ADDR (sid_atom_cache),
424 LOCK_ADDR (connection_slots),
425 LOCK_ADDR (pending_call_slots),
426 LOCK_ADDR (server_slots),
427 LOCK_ADDR (message_slots),
432 LOCK_ADDR (bus_datas),
433 LOCK_ADDR (shutdown_funcs),
434 LOCK_ADDR (system_users),
435 LOCK_ADDR (message_cache),
436 LOCK_ADDR (shared_connections),
437 LOCK_ADDR (machine_uuid)
442 _DBUS_N_GLOBAL_LOCKS);
447 if (dynamic_global_locks ==
NULL)
454 if (*global_locks[i] ==
NULL)
457 dynamic_global_locks[i] = global_locks[i];
463 dynamic_global_locks))
466 if (!init_uninitialized_locks ())
474 for (i = i - 1; i >= 0; i--)
477 *global_locks[i] =
NULL;
561 _dbus_assert (functions->
mask & DBUS_THREAD_FUNCTIONS_CONDVAR_WAIT_TIMEOUT_MASK);
562 _dbus_assert (functions->
mask & DBUS_THREAD_FUNCTIONS_CONDVAR_WAKE_ONE_MASK);
563 _dbus_assert (functions->
mask & DBUS_THREAD_FUNCTIONS_CONDVAR_WAKE_ALL_MASK);
574 mutex_set = (functions->
mask & DBUS_THREAD_FUNCTIONS_MUTEX_NEW_MASK) &&
575 (functions->
mask & DBUS_THREAD_FUNCTIONS_MUTEX_FREE_MASK) &&
576 (functions->
mask & DBUS_THREAD_FUNCTIONS_MUTEX_LOCK_MASK) &&
577 (functions->
mask & DBUS_THREAD_FUNCTIONS_MUTEX_UNLOCK_MASK) &&
583 recursive_mutex_set =
584 (functions->
mask & DBUS_THREAD_FUNCTIONS_RECURSIVE_MUTEX_NEW_MASK) &&
585 (functions->
mask & DBUS_THREAD_FUNCTIONS_RECURSIVE_MUTEX_FREE_MASK) &&
586 (functions->
mask & DBUS_THREAD_FUNCTIONS_RECURSIVE_MUTEX_LOCK_MASK) &&
587 (functions->
mask & DBUS_THREAD_FUNCTIONS_RECURSIVE_MUTEX_UNLOCK_MASK) &&
593 if (!(mutex_set || recursive_mutex_set))
595 "functions sets should be passed into "
596 "dbus_threads_init. Neither sets were passed.");
598 if (mutex_set && recursive_mutex_set)
600 "functions sets should be passed into "
601 "dbus_threads_init. Both sets were passed. "
602 "You most likely just want to set the recursive "
603 "mutex functions to avoid deadlocks in D-Bus.");
612 thread_functions.
mask = 0;
617 if (thread_functions.
mask != 0)
632 if (functions->
mask & DBUS_THREAD_FUNCTIONS_RECURSIVE_MUTEX_NEW_MASK)
635 if (functions->
mask & DBUS_THREAD_FUNCTIONS_RECURSIVE_MUTEX_FREE_MASK)
638 if (functions->
mask & DBUS_THREAD_FUNCTIONS_RECURSIVE_MUTEX_LOCK_MASK)
641 if (functions->
mask & DBUS_THREAD_FUNCTIONS_RECURSIVE_MUTEX_UNLOCK_MASK)
644 thread_functions.
mask = functions->
mask;
682 #ifdef DBUS_BUILD_TESTS
684 typedef struct DBusFakeMutex DBusFakeMutex;
691 static DBusMutex * dbus_fake_mutex_new (
void);
692 static void dbus_fake_mutex_free (
DBusMutex *mutex);
696 static void dbus_fake_condvar_free (
DBusCondVar *cond);
697 static void dbus_fake_condvar_wait (
DBusCondVar *cond,
702 static void dbus_fake_condvar_wake_one (
DBusCondVar *cond);
703 static void dbus_fake_condvar_wake_all (
DBusCondVar *cond);
708 DBUS_THREAD_FUNCTIONS_MUTEX_NEW_MASK |
709 DBUS_THREAD_FUNCTIONS_MUTEX_FREE_MASK |
710 DBUS_THREAD_FUNCTIONS_MUTEX_LOCK_MASK |
711 DBUS_THREAD_FUNCTIONS_MUTEX_UNLOCK_MASK |
712 DBUS_THREAD_FUNCTIONS_CONDVAR_NEW_MASK |
713 DBUS_THREAD_FUNCTIONS_CONDVAR_FREE_MASK |
714 DBUS_THREAD_FUNCTIONS_CONDVAR_WAIT_MASK |
715 DBUS_THREAD_FUNCTIONS_CONDVAR_WAIT_TIMEOUT_MASK |
716 DBUS_THREAD_FUNCTIONS_CONDVAR_WAKE_ONE_MASK|
717 DBUS_THREAD_FUNCTIONS_CONDVAR_WAKE_ALL_MASK,
719 dbus_fake_mutex_free,
720 dbus_fake_mutex_lock,
721 dbus_fake_mutex_unlock,
722 dbus_fake_condvar_new,
723 dbus_fake_condvar_free,
724 dbus_fake_condvar_wait,
725 dbus_fake_condvar_wait_timeout,
726 dbus_fake_condvar_wake_one,
727 dbus_fake_condvar_wake_all
731 dbus_fake_mutex_new (
void)
733 DBusFakeMutex *mutex;
743 DBusFakeMutex *fake = (DBusFakeMutex*) mutex;
753 DBusFakeMutex *fake = (DBusFakeMutex*) mutex;
763 dbus_fake_mutex_unlock (
DBusMutex *mutex)
765 DBusFakeMutex *fake = (DBusFakeMutex*) mutex;
769 fake->locked =
FALSE;
775 dbus_fake_condvar_new (
void)
814 _dbus_threads_init_debug (
void)