Re: [V4L] races in v4l read + write in 2.4

• To: Oliver.Neukum@xxxxxxxxxxxxxxxxxxx (Oliver Neukum)
• Subject: Re: [V4L] races in v4l read + write in 2.4
• From: Alan Cox <alan@xxxxxxxxxx>
• Date: Mon, 30 Oct 2000 17:40:47 -0500 (EST)
• Delivered-to: video4linux-list@xxxxxxxxxxxxxxxxxx
• In-reply-to: <0010302135310D.00379@ghanima> from "Oliver Neukum" at Oct 30, 2000 09:35:31 PM

> I see that these applications will stay some time in the D state.
> But if the read function might block they could end up in that state anyway.

You need to use down_interruptible and have a suitable error out path for
a ^C

• References:
  • Re: [V4L] races in v4l read + write in 2.4
    • From: Oliver Neukum

• Prev by Date: Re: [V4L] races in v4l read + write in 2.4
• Next by Date: Re: [V4L] races in v4l read + write in 2.4
• Previous by thread: Re: [V4L] races in v4l read + write in 2.4
• Next by thread: Re: [V4L] races in v4l read + write in 2.4
• Index(es):
  • Date
  • Thread