Date: Mon, 3 Oct 2011 10:35:18 -0400 From: Ryan Stone <rysto32@gmail.com> To: lev@freebsd.org Cc: hackers@freebsd.org Subject: Re: Atomic increment and get? Message-ID: <CAFMmRNzXAFhdoq5=JRyxz_aRbbc%2BXzDGDpwk2hNoGS1YTvijsQ@mail.gmail.com> In-Reply-To: <558829232.20111003133754@serebryakov.spb.ru> References: <558829232.20111003133754@serebryakov.spb.ru>
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2011/10/3 Lev Serebryakov <lev@freebsd.org>: > Hello, Hackers. > > =A0Is here atomic increment and get (or add and get) operation in > =A0kernel? I cannot find one. Here is atomic_add_32(), but it doesn't > =A0return result. And here is no atomic_add_64() on 32 bit system :( man atomic gives all of the atomic primitives provided in the kernel. In this case you want atomic_fetchadd_X.
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