On Fri, Apr 23, 2010 at 10:43:49AM +0200, Pavel Machek wrote:
> > +To create a suspend_blocker from user-space, open the suspend_blocker device:
> > + fd = open("/dev/suspend_blocker", O_RDWR | O_CLOEXEC);
> > +then call:
> > + ioctl(fd, SUSPEND_BLOCKER_IOCTL_INIT(strlen(name)), name);
>
>
> This seems like very wrong idea -- it uses different ioctl number for
> each length AFAICT.
Yep, and there's nothing wrong with that IMHO. It's a clever use of
the _IOC encoding scheme.
- Ted
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