DragonFly bugs List (threaded) for 2007-11
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DragonFly bugs List (threaded) for 2007-11
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Re: Bug in socketvar.h?


From: Matthew Dillon <dillon@xxxxxxxxxxxxxxxxxxxx>
Date: Wed, 7 Nov 2007 09:51:56 -0800 (PST)

:After reading
:http://www.onlamp.com/pub/a/bsd/2007/11/01/whats-new-in-bsd-42.html
:(last question) I noticed that we seem to have the same makro.
:Though I don't know any details, it looks wrong to me too.
:The problematic part is:
:
:#define ssb_lock(ssb, wf) ((ssb)->ssb_flags & SSB_LOCK ? \
:                (((wf) == M_WAITOK) ? _ssb_lock(ssb) : EWOULDBLOCK) : \
:                ((ssb)->ssb_flags |= SSB_LOCK), 0)
:
:
:that in its current form always evaluates to 0.
:
: Johannes

    Interesting.  That could account for some of the weird network bugs that
    have cropped up over the years.  Ours definitely has the same bug.

    I think I'll convert it to the inline version mentioned in the article.

					-Matt
					Matthew Dillon 
					<dillon@backplane.com>



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