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From: Karel Zak <kzak@redhat.com>
To: Sami Kerola <kerolasa@iki.fi>
Cc: util-linux@vger.kernel.org
Subject: Re: [PATCH 03/13] ipcs: determine ipc limits from /proc
Date: Mon, 5 Nov 2012 17:49:15 +0100	[thread overview]
Message-ID: <20121105164915.GC3799@x2.net.home> (raw)
In-Reply-To: <1350246145-10600-4-git-send-email-kerolasa@iki.fi>

On Sun, Oct 14, 2012 at 09:22:15PM +0100, Sami Kerola wrote:
> +static int shmctl_limits_wrapper(struct proc_limits *lim, int use_proc)

 The basic rule is to call function by functionality, nobody cares if
 the function is wrapper ;-)

 IMHO for example ipc_shm_get_limits() is better.

> +{
> +	struct shminfo shminfo;
> +	lim->shmmax = SHMMAX;

 really no, shmmax is also in /proc and it maybe changed by sysctl.

> +	lim->shmmin = SHMMIN;
> +	if (use_proc) {
> +		FILE *f;
> +		if ((f = fopen(_PATH_PROC_IPC_SHMMNI, "r")) == NULL)
> +			return 1;
> +		fscanf(f, "%d", &(lim->shmmni));
> +		fclose(f);
> +		if ((f = fopen(_PATH_PROC_IPC_SHMALL, "r")) == NULL)
> +			return 1;
> +		fscanf(f, "%zu", &(lim->shmall));
> +		fclose(f);
> +		return 0;
> +	}
> +

    Karel

-- 
 Karel Zak  <kzak@redhat.com>
 http://karelzak.blogspot.com

  parent reply	other threads:[~2012-11-05 16:49 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-14 20:22 [PATCH 00/13] make ipcs to use proc Sami Kerola
2012-10-14 20:22 ` [PATCH 01/13] ipcs: add data structures to read state from /proc & /sys Sami Kerola
2012-10-14 20:22 ` [PATCH 02/13] ipcs: add /proc and /sys path definitions Sami Kerola
2012-11-05 16:43   ` Karel Zak
2012-10-14 20:22 ` [PATCH 03/13] ipcs: determine ipc limits from /proc Sami Kerola
2012-10-15  2:00   ` Mike Frysinger
2012-11-05 16:49   ` Karel Zak [this message]
2012-10-14 20:22 ` [PATCH 04/13] ipcs: add new permissions printing function Sami Kerola
2012-10-14 20:22 ` [PATCH 05/13] ipcs: read shared memory values from /proc Sami Kerola
2012-10-15  2:07   ` Mike Frysinger
2012-10-14 20:22 ` [PATCH 06/13] ipcs: read message queue " Sami Kerola
2012-10-14 20:22 ` [PATCH 07/13] ipsc: read semaphore " Sami Kerola
2012-10-14 20:22 ` [PATCH 08/13] ipcs: clean up permissions printing Sami Kerola
2012-10-14 20:22 ` [PATCH 09/13] ipcs: make individual shared memory id printing to use /proc Sami Kerola
2012-11-05 16:53   ` Karel Zak
2012-10-14 20:22 ` [PATCH 10/13] ipcs: make individual message queue " Sami Kerola
2012-10-14 20:22 ` [PATCH 11/13] ipcs: make individual semaphore " Sami Kerola
2012-10-14 20:22 ` [PATCH 12/13] ipcs: validate numeric user input Sami Kerola
2012-10-14 20:22 ` [PATCH 13/13] docs: update TODO Sami Kerola
     [not found] ` <20121015153924.GL18377@x2.net.home>
2012-10-22 20:23   ` [PATCH 00/13] make ipcs to use proc Sami Kerola
2012-11-05 16:42 ` Karel Zak
2012-11-07  9:40   ` Sami Kerola
2012-11-07 10:01     ` Karel Zak
2012-11-11 23:01       ` Sami Kerola

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