linux-kernel - Re : [HW_RNG] How to use generic rng in kernel space

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20060801132810.388.qmail@web25806.mail.ukl.yahoo.com>
Date:	Tue, 1 Aug 2006 13:28:10 +0000 (GMT)
From:	moreau francis <francis_moreau2000@...oo.fr>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	mb@...sch.de, linux-kernel@...r.kernel.org
Subject: Re : [HW_RNG] How to use generic rng in kernel space

> O_NONBLOCK doesn't necessarily imply "never sleep", it implies "don't
> sleep waiting for an event/long time". So where the mutex is just
> serializing access to hardware that will be very brief it is fine not to
> check O_NONBLOCK/FNDELAY.

Thank you Alan for answering ! One more question I hope you don't mind...
I'm not very confident with all these POSIX definitions. Do you have any
pointers that I should know to get more familiar with them ?

Thanks

Francis





-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/