linux-kernel - Re: atomic read and increment question

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Message-ID: <5328299C.10807@ladisch.de>
Date:	Tue, 18 Mar 2014 12:10:20 +0100
From:	Clemens Ladisch <clemens@...isch.de>
To:	noman pouigt <variksla@...il.com>
CC:	linux-kernel@...r.kernel.org
Subject: Re: atomic read and increment question

noman pouigt wrote:
> x = 1;
> temp = atomic_read_increment(x);

atomic_set(&x, 1);
temp = atomic_inc_return(&x);

> I looked through the documentation for atomic
> operations but couldn't find out the api

Not everything is fully documented.

Look through include/asm-generic/atomic.h.


Regards,
Clemens
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