linux-kernel - Re: [PATCH] ftracetest: Replace usleep with sleep 0.000001

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: Windows password security audit tool. GUI, reports in PDF.

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

Date:	Wed, 10 Dec 2014 17:19:36 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	Michael Ellerman <mpe@...erman.id.au>
Cc:	Steven Rostedt <rostedt@...dmis.org>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ftracetest: Replace usleep with sleep 0.000001

Hi Michael,

On Wed, Dec 10, 2014 at 1:38 PM, Michael Ellerman <mpe@...erman.id.au> wrote:
> usleep is a Fedoraism, it's not generally available on Debian based
> systems AFAICS.
>
> GNU sleep accepts a floating point argument, so use that instead.

I tested it on busybox not Debian, sorry.  But it seems busybox's
sleep doesn't support floating point argument..

  / # ls -l `which sleep`
  lrwxrwxrwx     1  root     rooot       7 May 22  2014  /bin/sleep -> busybox

  / # sleep 0.1
  sleep: invalid number '0.1'


Thanks,
Namhyung
--
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/