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James Courtier-Dutton wrote: > I have a requirement to pass information from the kernel to user space. > The information is passed fairly rarely, but over time extra parameters > are added. At the moment we just use a struct, but that means that the > kernel and the userspace app have to both keep in step. If something > like XML was used, we could implement new parameters in the kernel, and > the user space could just ignore them, until the user space is upgraded. > XML would initially seem a good idea for this, but are there any methods > currently used in the kernel that could handle these parameter changes > over time. > > For example, should the sysfs be used for this? > > Any comments? > Yes use sysfs (or procfs if the information is related to a process). Using ASCII text representation, and a single value per file is noramlly the preferred method to do this I think. Nick -- SUSE Labs, Novell Inc. Send instant messages to your online friends http://au.messenger.yahoo.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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