[PATCH 10/25] mciseq: Limit concurrency when starting to play.

Joerg-Cyril.Hoehle at t-systems.com Joerg-Cyril.Hoehle at t-systems.com
Fri Oct 12 07:48:58 CDT 2012


Alexandre Julliard wrote:
>If another thread can change dwStatus you need a critical
>section or an interlocked function.

>> So if AJ is still not satisfied with try 2, I'll change all reads of 
>> wmm->dwStatus within the player into InterlockedExchange.
>> Yet I think that would be a superfluous extra memory barrier within the player.

I've now submitted try 4 which uses InterlockedExchange.  Given time, I'd
like to find another place where to debate this issue, perhaps Usenet's
comp.lang.c or a GCC mailing list (even if not specific to GCC)?

	Jörg Höhle

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