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Message-ID: <alpine.LNX.2.00.1408271435160.6544@monopod.intra.ispras.ru>
Date: Wed, 27 Aug 2014 14:43:33 +0400 (MSK)
From: Alexander Monakov <amonakov@...ras.ru>
To: musl@...ts.openwall.com
Subject: Re: sem_getvalue conformance considerations
Why wouldn't the following design work?
val[0] is sem value if >= 0, negated waiters count otherwise
val[1] is wakeup count, incremented before futex wake, tested and decremented
by waiters returning from futex wait
Alexander
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