Re: [suspend/resume] Re: userspace notification from module

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Monday 04 January 2010, Bartłomiej Zimoń wrote:
> Dnia 4 stycznia 2010 0:45 "Rafael J. Wysocki" <rjw@xxxxxxx> napisał(a):
> > On Monday 04 January 2010, Bartłomiej Zimoń wrote:
> > > Thx Rafael - now it clear to me.
> > > And what do You think about sending extra signals to processes?
> > 
> > I don't see a problem with this in principle, although I don't think signals
> > are very suitable for this particular purpose, because you need two-way
> > communication between the power manager and the processes it's going to
> > notify (because it has to wait for the processes to finish their preparations
> > and to tell it that they are ready).
> > 
> > For this purpose it's better to have a file descriptor you can block on (like a
> > socket or a pipe) while the other side is doing it's job.
> > 
> 
> So let's create one in power/user.c or use /sys/power/state for this :)

I don't see a good reason, really.

Rafael
_______________________________________________
linux-pm mailing list
linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx
https://lists.linux-foundation.org/mailman/listinfo/linux-pm


[Index of Archives]     [Linux ACPI]     [Netdev]     [Ethernet Bridging]     [Linux Wireless]     [CPU Freq]     [Kernel Newbies]     [Fedora Kernel]     [Security]     [Linux for Hams]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux Admin]     [Samba]

  Powered by Linux