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-rw-r--r--include/rabbit.hrl3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/rabbit.hrl b/include/rabbit.hrl
index a764855ed8..bd7a0eedf5 100644
--- a/include/rabbit.hrl
+++ b/include/rabbit.hrl
@@ -105,6 +105,9 @@
-define(DESIRED_HIBERNATE, 10000).
-define(CREDIT_DISC_BOUND, {2000, 500}).
+%% This is dictated by `erlang:send_after' on which we depend to implement TTL.
+-define(MAX_EXPIRY_TIMER, 4294967295).
+
-define(INVALID_HEADERS_KEY, <<"x-invalid-headers">>).
-define(ROUTING_HEADERS, [<<"CC">>, <<"BCC">>]).
-define(DELETED_HEADER, <<"BCC">>).