diff options
Diffstat (limited to 'recipes/dbus/dbus-1.3.0/will-2.patch')
-rw-r--r-- | recipes/dbus/dbus-1.3.0/will-2.patch | 370 |
1 files changed, 0 insertions, 370 deletions
diff --git a/recipes/dbus/dbus-1.3.0/will-2.patch b/recipes/dbus/dbus-1.3.0/will-2.patch deleted file mode 100644 index e1c756bd64..0000000000 --- a/recipes/dbus/dbus-1.3.0/will-2.patch +++ /dev/null @@ -1,370 +0,0 @@ -From 2d4da5596b34cbd5de2b97971fbb484657a1f485 Mon Sep 17 00:00:00 2001 -From: Will Thompson <will.thompson@collabora.co.uk> -Date: Wed, 29 Jul 2009 17:48:21 +0100 -Subject: [PATCH 2/6] Index match rules by message type - -This avoids scanning all the signal matches while dispatching method -calls and returns, which are rarely matched against. ---- - bus/signals.c | 217 ++++++++++++++++++++++++++++++++++++-------------------- - 1 files changed, 139 insertions(+), 78 deletions(-) - -diff --git a/bus/signals.c b/bus/signals.c -index b020a76..10e0b5e 100644 ---- a/bus/signals.c -+++ b/bus/signals.c -@@ -1022,7 +1022,11 @@ struct BusMatchmaker - { - int refcount; - -- DBusList *all_rules; -+ /* lists of rules, grouped by the type of message they match. 0 -+ * (DBUS_MESSAGE_TYPE_INVALID) represents rules that do not specify a message -+ * type. -+ */ -+ DBusList *rules_by_type[DBUS_NUM_MESSAGE_TYPES]; - }; - - BusMatchmaker* -@@ -1039,6 +1043,16 @@ bus_matchmaker_new (void) - return matchmaker; - } - -+static DBusList ** -+bus_matchmaker_get_rules (BusMatchmaker *matchmaker, -+ int message_type) -+{ -+ _dbus_assert (message_type >= 0); -+ _dbus_assert (message_type < DBUS_NUM_MESSAGE_TYPES); -+ -+ return matchmaker->rules_by_type + message_type; -+} -+ - BusMatchmaker * - bus_matchmaker_ref (BusMatchmaker *matchmaker) - { -@@ -1057,14 +1071,20 @@ bus_matchmaker_unref (BusMatchmaker *matchmaker) - matchmaker->refcount -= 1; - if (matchmaker->refcount == 0) - { -- while (matchmaker->all_rules != NULL) -+ int i; -+ -+ for (i = DBUS_MESSAGE_TYPE_INVALID; i < DBUS_NUM_MESSAGE_TYPES; i++) - { -- BusMatchRule *rule; -+ DBusList **rules = bus_matchmaker_get_rules (matchmaker, i); -+ -+ while (*rules != NULL) -+ { -+ BusMatchRule *rule; - -- rule = matchmaker->all_rules->data; -- bus_match_rule_unref (rule); -- _dbus_list_remove_link (&matchmaker->all_rules, -- matchmaker->all_rules); -+ rule = (*rules)->data; -+ bus_match_rule_unref (rule); -+ _dbus_list_remove_link (rules, *rules); -+ } - } - - dbus_free (matchmaker); -@@ -1076,14 +1096,18 @@ dbus_bool_t - bus_matchmaker_add_rule (BusMatchmaker *matchmaker, - BusMatchRule *rule) - { -+ DBusList **rules; -+ - _dbus_assert (bus_connection_is_active (rule->matches_go_to)); - -- if (!_dbus_list_append (&matchmaker->all_rules, rule)) -+ rules = bus_matchmaker_get_rules (matchmaker, rule->message_type); -+ -+ if (!_dbus_list_append (rules, rule)) - return FALSE; - - if (!bus_connection_add_match_rule (rule->matches_go_to, rule)) - { -- _dbus_list_remove_last (&matchmaker->all_rules, rule); -+ _dbus_list_remove_last (rules, rule); - return FALSE; - } - -@@ -1171,13 +1195,13 @@ match_rule_equal (BusMatchRule *a, - } - - static void --bus_matchmaker_remove_rule_link (BusMatchmaker *matchmaker, -+bus_matchmaker_remove_rule_link (DBusList **rules, - DBusList *link) - { - BusMatchRule *rule = link->data; - - bus_connection_remove_match_rule (rule->matches_go_to, rule); -- _dbus_list_remove_link (&matchmaker->all_rules, link); -+ _dbus_list_remove_link (rules, link); - - #ifdef DBUS_ENABLE_VERBOSE_MODE - { -@@ -1196,8 +1220,12 @@ void - bus_matchmaker_remove_rule (BusMatchmaker *matchmaker, - BusMatchRule *rule) - { -+ DBusList **rules; -+ - bus_connection_remove_match_rule (rule->matches_go_to, rule); -- _dbus_list_remove (&matchmaker->all_rules, rule); -+ -+ rules = bus_matchmaker_get_rules (matchmaker, rule->message_type); -+ _dbus_list_remove (rules, rule); - - #ifdef DBUS_ENABLE_VERBOSE_MODE - { -@@ -1219,24 +1247,26 @@ bus_matchmaker_remove_rule_by_value (BusMatchmaker *matchmaker, - DBusError *error) - { - /* FIXME this is an unoptimized linear scan */ -- -+ DBusList **rules; - DBusList *link; - -+ rules = bus_matchmaker_get_rules (matchmaker, value->message_type); -+ - /* we traverse backward because bus_connection_remove_match_rule() - * removes the most-recently-added rule - */ -- link = _dbus_list_get_last_link (&matchmaker->all_rules); -+ link = _dbus_list_get_last_link (rules); - while (link != NULL) - { - BusMatchRule *rule; - DBusList *prev; - - rule = link->data; -- prev = _dbus_list_get_prev_link (&matchmaker->all_rules, link); -+ prev = _dbus_list_get_prev_link (rules, link); - - if (match_rule_equal (rule, value)) - { -- bus_matchmaker_remove_rule_link (matchmaker, link); -+ bus_matchmaker_remove_rule_link (rules, link); - break; - } - -@@ -1258,6 +1288,7 @@ bus_matchmaker_disconnected (BusMatchmaker *matchmaker, - DBusConnection *disconnected) - { - DBusList *link; -+ int i; - - /* FIXME - * -@@ -1270,41 +1301,46 @@ bus_matchmaker_disconnected (BusMatchmaker *matchmaker, - - _dbus_assert (bus_connection_is_active (disconnected)); - -- link = _dbus_list_get_first_link (&matchmaker->all_rules); -- while (link != NULL) -+ for (i = DBUS_MESSAGE_TYPE_INVALID; i < DBUS_NUM_MESSAGE_TYPES; i++) - { -- BusMatchRule *rule; -- DBusList *next; -+ DBusList **rules = bus_matchmaker_get_rules (matchmaker, i); - -- rule = link->data; -- next = _dbus_list_get_next_link (&matchmaker->all_rules, link); -- -- if (rule->matches_go_to == disconnected) -- { -- bus_matchmaker_remove_rule_link (matchmaker, link); -- } -- else if (((rule->flags & BUS_MATCH_SENDER) && *rule->sender == ':') || -- ((rule->flags & BUS_MATCH_DESTINATION) && *rule->destination == ':')) -+ link = _dbus_list_get_first_link (rules); -+ while (link != NULL) - { -- /* The rule matches to/from a base service, see if it's the -- * one being disconnected, since we know this service name -- * will never be recycled. -- */ -- const char *name; -- -- name = bus_connection_get_name (disconnected); -- _dbus_assert (name != NULL); /* because we're an active connection */ -- -- if (((rule->flags & BUS_MATCH_SENDER) && -- strcmp (rule->sender, name) == 0) || -- ((rule->flags & BUS_MATCH_DESTINATION) && -- strcmp (rule->destination, name) == 0)) -+ BusMatchRule *rule; -+ DBusList *next; -+ -+ rule = link->data; -+ next = _dbus_list_get_next_link (rules, link); -+ -+ if (rule->matches_go_to == disconnected) - { -- bus_matchmaker_remove_rule_link (matchmaker, link); -+ bus_matchmaker_remove_rule_link (rules, link); -+ } -+ else if (((rule->flags & BUS_MATCH_SENDER) && *rule->sender == ':') || -+ ((rule->flags & BUS_MATCH_DESTINATION) && *rule->destination == ':')) -+ { -+ /* The rule matches to/from a base service, see if it's the -+ * one being disconnected, since we know this service name -+ * will never be recycled. -+ */ -+ const char *name; -+ -+ name = bus_connection_get_name (disconnected); -+ _dbus_assert (name != NULL); /* because we're an active connection */ -+ -+ if (((rule->flags & BUS_MATCH_SENDER) && -+ strcmp (rule->sender, name) == 0) || -+ ((rule->flags & BUS_MATCH_DESTINATION) && -+ strcmp (rule->destination, name) == 0)) -+ { -+ bus_matchmaker_remove_rule_link (rules, link); -+ } - } -- } - -- link = next; -+ link = next; -+ } - } - } - -@@ -1504,38 +1540,16 @@ match_rule_matches (BusMatchRule *rule, - return TRUE; - } - --dbus_bool_t --bus_matchmaker_get_recipients (BusMatchmaker *matchmaker, -- BusConnections *connections, -- DBusConnection *sender, -- DBusConnection *addressed_recipient, -- DBusMessage *message, -- DBusList **recipients_p) -+static dbus_bool_t -+get_recipients_from_list (DBusList **rules, -+ DBusConnection *sender, -+ DBusConnection *addressed_recipient, -+ DBusMessage *message, -+ DBusList **recipients_p) - { -- /* FIXME for now this is a wholly unoptimized linear search */ -- /* Guessing the important optimization is to skip the signal-related -- * match lists when processing method call and exception messages. -- * So separate match rule lists for signals? -- */ -- - DBusList *link; - -- _dbus_assert (*recipients_p == NULL); -- -- /* This avoids sending same message to the same connection twice. -- * Purpose of the stamp instead of a bool is to avoid iterating over -- * all connections resetting the bool each time. -- */ -- bus_connections_increment_stamp (connections); -- -- /* addressed_recipient is already receiving the message, don't add to list. -- * NULL addressed_recipient means either bus driver, or this is a signal -- * and thus lacks a specific addressed_recipient. -- */ -- if (addressed_recipient != NULL) -- bus_connection_mark_stamp (addressed_recipient); -- -- link = _dbus_list_get_first_link (&matchmaker->all_rules); -+ link = _dbus_list_get_first_link (rules); - while (link != NULL) - { - BusMatchRule *rule; -@@ -1545,7 +1559,7 @@ bus_matchmaker_get_recipients (BusMatchmaker *matchmaker, - #ifdef DBUS_ENABLE_VERBOSE_MODE - { - char *s = match_rule_to_string (rule); -- -+ - _dbus_verbose ("Checking whether message matches rule %s for connection %p\n", - s, rule->matches_go_to); - dbus_free (s); -@@ -1556,12 +1570,12 @@ bus_matchmaker_get_recipients (BusMatchmaker *matchmaker, - sender, addressed_recipient, message)) - { - _dbus_verbose ("Rule matched\n"); -- -+ - /* Append to the list if we haven't already */ - if (bus_connection_mark_stamp (rule->matches_go_to)) - { - if (!_dbus_list_append (recipients_p, rule->matches_go_to)) -- goto nomem; -+ return FALSE; - } - #ifdef DBUS_ENABLE_VERBOSE_MODE - else -@@ -1571,10 +1585,57 @@ bus_matchmaker_get_recipients (BusMatchmaker *matchmaker, - #endif /* DBUS_ENABLE_VERBOSE_MODE */ - } - -- link = _dbus_list_get_next_link (&matchmaker->all_rules, link); -+ link = _dbus_list_get_next_link (rules, link); - } - - return TRUE; -+} -+ -+dbus_bool_t -+bus_matchmaker_get_recipients (BusMatchmaker *matchmaker, -+ BusConnections *connections, -+ DBusConnection *sender, -+ DBusConnection *addressed_recipient, -+ DBusMessage *message, -+ DBusList **recipients_p) -+{ -+ /* FIXME for now this is a wholly unoptimized linear search */ -+ /* Guessing the important optimization is to skip the signal-related -+ * match lists when processing method call and exception messages. -+ * So separate match rule lists for signals? -+ */ -+ int type; -+ -+ _dbus_assert (*recipients_p == NULL); -+ -+ /* This avoids sending same message to the same connection twice. -+ * Purpose of the stamp instead of a bool is to avoid iterating over -+ * all connections resetting the bool each time. -+ */ -+ bus_connections_increment_stamp (connections); -+ -+ /* addressed_recipient is already receiving the message, don't add to list. -+ * NULL addressed_recipient means either bus driver, or this is a signal -+ * and thus lacks a specific addressed_recipient. -+ */ -+ if (addressed_recipient != NULL) -+ bus_connection_mark_stamp (addressed_recipient); -+ -+ /* We always need to try the rules that don't specify a message type */ -+ if (!get_recipients_from_list ( -+ bus_matchmaker_get_rules (matchmaker, DBUS_MESSAGE_TYPE_INVALID), -+ sender, addressed_recipient, message, recipients_p)) -+ goto nomem; -+ -+ /* Also try rules that match the type of this message */ -+ type = dbus_message_get_type (message); -+ if (type > DBUS_MESSAGE_TYPE_INVALID && type < DBUS_NUM_MESSAGE_TYPES) -+ if (!get_recipients_from_list ( -+ bus_matchmaker_get_rules (matchmaker, type), -+ sender, addressed_recipient, message, recipients_p)) -+ goto nomem; -+ -+ return TRUE; - - nomem: - _dbus_list_clear (recipients_p); --- -1.6.3.3 - |