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https://bugs.freedesktop.org/show_bug.cgi?id=9142
[..] the use case was the following. There
are three processes A, B, and C. All of them add the same match (same value). A
is started first, then B, and lastly C. Now, B and C are closed: if B is closed
before C, A's match is removed; but if C is closed before B, A's match is not
removed (no buggy behaviour). (B and C call dbus_bus_remove_match on exit.)
diff -pur 0.61-osso23/bus/signals.c 0.61-osso23.new/bus/signals.c
--- 0.61-osso23/bus/signals.c 2006-11-23 16:46:52.589602192 +0200
+++ 0.61-osso23.new/bus/signals.c 2006-11-23 16:49:28.873843376 +0200
@@ -1067,6 +1067,9 @@ match_rule_equal (BusMatchRule *a,
if (a->flags != b->flags)
return FALSE;
+ if (a->matches_go_to != b->matches_go_to)
+ return FALSE;
+
if ((a->flags & BUS_MATCH_MESSAGE_TYPE) &&
a->message_type != b->message_type)
return FALSE;
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