Other means of communications include sysfs and procfs. These have the advantage of supporting scripting and can survive ABI changes that can plague the other interfaces; but are meant for low-bandwidth or out-of-band configuration or simple status reporting.
Sincerely -- Mark Salyzyn > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of > linux-os (Dick Johnson) > Sent: Friday, January 18, 2008 9:59 AM > To: mokhtar > Cc: linux-kernel@vger.kernel.org > Subject: Re: Communication between user process and kernel modules > > > On Fri, 18 Jan 2008, mokhtar wrote: > > > > > Hi > > > > What are the different solution to make a user process > communicate with a > > kernel modules? > > > > Whatis the the advantages and disadvanteges of each solutions ? > > > > ioctl() is the universal Unix mechanism for control of drivers > (modules). open(), close(), read(), write(), mmap() are the other > common methods. Some drivers may use sockets for communications. > I such a case, you use setsockopt() to change things. > > Drivers can signal user-space processes as well. Such programs > use select() and poll(). > > > > > -- > > Cheers, > Dick Johnson > Penguin : Linux version 2.6.22.1 on an i686 machine (5588.29 > BogoMips). > My book : http://www.AbominableFirebug.com/ > _ > > > **************************************************************** > The information transmitted in this message is confidential > and may be privileged. Any review, retransmission, > dissemination, or other use of this information by persons or > entities other than the intended recipient is prohibited. If > you are not the intended recipient, please notify Analogic > Corporation immediately - by replying to this message or by > sending an email to [EMAIL PROTECTED] - and destroy > all copies of this information, including any attachments, > without reading or disclosing them. > > Thank you. > -- > To unsubscribe from this list: send the line "unsubscribe > linux-kernel" in > the body of a message to [EMAIL PROTECTED] > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
