From: Alexander Monakov <amonakov@ispras.ru>
To: musl@lists.openwall.com
Subject: Re: sem_getvalue conformance considerations
Date: Wed, 27 Aug 2014 14:43:33 +0400 (MSK) [thread overview]
Message-ID: <alpine.LNX.2.00.1408271435160.6544@monopod.intra.ispras.ru> (raw)
In-Reply-To: <20140827074310.GK12888@brightrain.aerifal.cx>
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
next prev parent reply other threads:[~2014-08-27 10:43 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-27 2:33 Rich Felker
2014-08-27 7:05 ` Jens Gustedt
2014-08-27 7:43 ` Rich Felker
2014-08-27 10:43 ` Alexander Monakov [this message]
2014-08-27 13:32 ` Alexander Monakov
2014-08-27 19:06 ` Alexander Monakov
2014-08-27 21:06 ` Alexander Monakov
2014-08-28 20:47 ` Alexander Monakov
2014-08-29 22:51 ` Alexander Monakov
2014-08-30 5:12 ` Rich Felker
2014-09-01 17:50 ` Alexander Monakov
2015-02-27 23:21 ` semaphore redesign Alexander Monakov
2015-02-28 15:42 ` Rich Felker
2015-03-01 18:54 ` Alexander Monakov
2015-03-01 17:30 ` Szabolcs Nagy
2015-03-01 17:50 ` Szabolcs Nagy
2015-03-02 22:40 ` Alexander Monakov
2015-03-02 22:45 ` Rich Felker
2015-03-01 18:24 ` Alexander Monakov
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