From: Valdis.Kletnieks@vt.edu
To: Lennart Poettering <lennart@poettering.net>
Cc: linux-kernel@vger.kernel.org, Alan Cox <alan@lxorguk.ukuu.org.uk>,
William Jon McCann <jmccann@redhat.com>
Subject: Re: [PATCH] vt: extend VT_WAITACTIVE ioctl to allow waiting until a specific VT becomes inactive
Date: Tue, 30 Jun 2009 08:58:45 -0400 [thread overview]
Message-ID: <21694.1246366725@turing-police.cc.vt.edu> (raw)
In-Reply-To: Your message of "Tue, 30 Jun 2009 02:00:04 +0200." <20090630000003.GA21004@omega>
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On Tue, 30 Jun 2009 02:00:04 +0200, Lennart Poettering said:
> ConsoleKit would probably just call it in a loop like this:
>
> for (;;) {
> struct vt_stat st;
> ioctl(0, VT_GETSTATE, &st);
> printf("console %s is active.\n", st.v_active);
> ioctl(0, VT_WAITACTIVE, (signed long) - st.v_active);
> }
We will include a documented way for ConsoleKit and similar to be able
to determine if the kernel has this feature, right? (If older kernels
return a -EBOGUS for ioctl(0,VT_WAITACTIVE,-1) that's probably good enough)
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prev parent reply other threads:[~2009-06-30 14:37 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-30 0:00 Lennart Poettering
2009-06-30 8:34 ` Alan Cox
2009-06-30 12:58 ` Valdis.Kletnieks [this message]
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