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Richard Kistruck 380ab1ec56 Mps br/timing traceidmessages: create them at mps_arena_create time, ... re-create them immediately after a trace sends its last message. Store them, one per TraceId, in ArenaStruct. Cope correctly if they cannot be created (ControlAlloc fails). Destroy them correctly on mps_arena_destroy. See job001989 and design/message-gc#lifecycle (not yet written). Copied from Perforce Change: 166918 ServerID: perforce.ravenbrook.com		2008-12-11 16:06:14 +00:00
mps	Mps br/timing traceidmessages: create them at mps_arena_create time,	2008-12-11 16:06:14 +00:00