Messages in this thread |  | | Date | Thu, 03 May 2001 17:19:32 +0200 | From | Joseph Bueno <> | Subject | Re: NEWBEE "reverse ioctl" or someting like |
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sébastien person wrote: > > Le Thu, 3 May 2001 08:46:05 -0400 (EDT) > Mark Hahn <hahn@coffee.psychology.mcmaster.ca> à écrit : > > > > I think that use of pipe isn't preconised because I must fork process > > > to use pipe, > > > > I guess you mean "because a user-level process would block on the pipe". > > and you don't want to block. the alternative is to use a signal. > > yes but with a signal I am able to share data beetween user space and kernel > space ? I must also use copy_to_user ?
You will not get any data with the signal but your user-level application can use an ioctl when it receives this signal and get the data.
-- Joseph Bueno NetClub/Trader.com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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