From fe4018941190f8bf020e4a8ed2999c212e0e113d Mon Sep 17 00:00:00 2001 From: Alexander Larsson Date: Sat, 15 Feb 2003 16:25:08 +0000 Subject: 2003-02-15 Alexander Larsson * dbus/dbus-threads.c: * dbus/dbus-threads.h: Add condvars. Remove static mutext from API. Implement static mutexes by initializing them from threads_init. * glib/dbus-gthread.c: * qt/dbus-qthread.cpp: Update with the thread api changes. * dbus/dbus-list.c: * dbus/dbus-list.h: Turn StaticMutex into normal mutex + init function. Export new functions _dbus_list_alloc_link, _dbus_list_free_link, _dbus_list_append_link, _dbus_list_prepend_link * dbus/dbus-sysdeps.c: * dbus/dbus-sysdeps.h: New type dbus_atomic_t, and new functions _dbus_atomic_inc, _dbus_atomic_dec. Only slow fallback implementation at the moment. * dbus/dbus-protocol.h: Add DBUS_MESSAGE_LOCAL_DISCONNECT define * dbus/dbus-message.c: Make ref/unref atomic. Fix some docs. * dbus/dbus-connection-internal.h: * dbus/dbus-connection.c: * dbus/dbus-connection.h: Make threadsafe. Change _peek to _borrow,_return & _steal_borrowed. Change disconnect callback to event. Make dbus_connection_dispatch_messages reentrant. * dbus/dbus-transport.c: Don't ref the connection on calls to the transport implementation. * dbus/dbus-message-handler.c: Make threadsafe. * glib/dbus-gmain.c: Don't use peek_message anymore * test/Makefile.am: * test/debug-thread.c: * test/debug-thread.h: Simple thread implementation that asserts() on deadlocks in single-threaded code. * test/bus-test.c: (main) Call debug_threads_init. * test/watch.c: Use disconnect message instead of disconnect callback. * bus/connection.c: * bus/connection.h: Don't call dbus_connection_set_disconnect_function. Instead export bus_connection_disconnect. * bus/dispatch.c: Call bus_connection_disconnect when we get a disconnected message. --- glib/dbus-gmain.c | 2 +- glib/dbus-gthread.c | 94 ++++++++++++++++++++++++++++++++++++++++++++++++----- 2 files changed, 86 insertions(+), 10 deletions(-) (limited to 'glib') diff --git a/glib/dbus-gmain.c b/glib/dbus-gmain.c index 80d7d6ba..857ee37e 100644 --- a/glib/dbus-gmain.c +++ b/glib/dbus-gmain.c @@ -59,7 +59,7 @@ dbus_connection_prepare (GSource *source, *timeout = -1; - return (dbus_connection_peek_message (connection) != NULL); + return (dbus_connection_get_n_messages (connection) > 0); } static gboolean diff --git a/glib/dbus-gthread.c b/glib/dbus-gthread.c index 685f4cd6..8ed0a13a 100644 --- a/glib/dbus-gthread.c +++ b/glib/dbus-gthread.c @@ -25,21 +25,45 @@ #include #include "dbus-glib.h" -static DBusMutex * dbus_gmutex_new (void); -static void dbus_gmutex_free (DBusMutex *mutex); -static dbus_bool_t dbus_gmutex_lock (DBusMutex *mutex); -static dbus_bool_t dbus_gmutex_unlock (DBusMutex *mutex); +static DBusMutex * dbus_gmutex_new (void); +static void dbus_gmutex_free (DBusMutex *mutex); +static dbus_bool_t dbus_gmutex_lock (DBusMutex *mutex); +static dbus_bool_t dbus_gmutex_unlock (DBusMutex *mutex); + + +static DBusCondVar* dbus_gcondvar_new (void); +static void dbus_gcondvar_free (DBusCondVar *cond); +static void dbus_gcondvar_wait (DBusCondVar *cond, + DBusMutex *mutex); +static dbus_bool_t dbus_gcondvar_wait_timeout (DBusCondVar *cond, + DBusMutex *mutex, + int timeout_msec); +static void dbus_gcondvar_wake_one (DBusCondVar *cond); +static void dbus_gcondvar_wake_all (DBusCondVar *cond); + static const DBusThreadFunctions functions = { - DBUS_THREAD_FUNCTIONS_NEW_MASK | - DBUS_THREAD_FUNCTIONS_FREE_MASK | - DBUS_THREAD_FUNCTIONS_LOCK_MASK | - DBUS_THREAD_FUNCTIONS_UNLOCK_MASK, + DBUS_THREAD_FUNCTIONS_MUTEX_NEW_MASK | + DBUS_THREAD_FUNCTIONS_MUTEX_FREE_MASK | + DBUS_THREAD_FUNCTIONS_MUTEX_LOCK_MASK | + DBUS_THREAD_FUNCTIONS_MUTEX_UNLOCK_MASK | + DBUS_THREAD_FUNCTIONS_CONDVAR_NEW_MASK | + DBUS_THREAD_FUNCTIONS_CONDVAR_FREE_MASK | + DBUS_THREAD_FUNCTIONS_CONDVAR_WAIT_MASK | + DBUS_THREAD_FUNCTIONS_CONDVAR_WAIT_TIMEOUT_MASK | + DBUS_THREAD_FUNCTIONS_CONDVAR_WAKE_ONE_MASK| + DBUS_THREAD_FUNCTIONS_CONDVAR_WAKE_ALL_MASK, dbus_gmutex_new, dbus_gmutex_free, dbus_gmutex_lock, - dbus_gmutex_unlock + dbus_gmutex_unlock, + dbus_gcondvar_new, + dbus_gcondvar_free, + dbus_gcondvar_wait, + dbus_gcondvar_wait_timeout, + dbus_gcondvar_wake_one, + dbus_gcondvar_wake_all }; static DBusMutex * @@ -74,6 +98,58 @@ dbus_gmutex_unlock (DBusMutex *mutex) return TRUE; } +static DBusCondVar* +dbus_gcondvar_new (void) +{ + return (DBusCondVar*)g_cond_new (); +} + +static void +dbus_gcondvar_free (DBusCondVar *cond) +{ + g_cond_free ((GCond *)cond); +} + +static void +dbus_gcondvar_wait (DBusCondVar *cond, + DBusMutex *mutex) +{ + g_cond_wait ((GCond *)cond, (GMutex *)mutex); +} + +static dbus_bool_t +dbus_gcondvar_wait_timeout (DBusCondVar *cond, + DBusMutex *mutex, + int timeout_msec) +{ + GTimeVal now; + + g_get_current_time (&now); + + now.tv_sec += timeout_msec / 1000; + now.tv_usec += (timeout_msec % 1000) * 1000; + if (now.tv_usec > G_USEC_PER_SEC) + { + now.tv_sec += 1; + now.tv_usec -= G_USEC_PER_SEC; + } + + return g_cond_timed_wait ((GCond *)cond, (GMutex *)mutex, &now); +} + +static void +dbus_gcondvar_wake_one (DBusCondVar *cond) +{ + g_cond_signal ((GCond *)cond); +} + +static void +dbus_gcondvar_wake_all (DBusCondVar *cond) +{ + g_cond_broadcast ((GCond *)cond); +} + + void dbus_gthread_init (void) { -- cgit