2013/1/19 Michael Kerrisk (man-pages) <mtk.manpages@xxxxxxxxx>: >> As SFD_RAW is being added to the kernel API we should document it. >> Please keep Michael cc'ed and work with him on getting the manpages >> updated. > > The API is certainly no thing of beauty, as I already remarked here: > http://thread.gmane.org/gmane.linux.file-systems/70420/focus=1420228 All of us have similar thoughts, but we don't know a better solution. Here is an example of usage signalfd and pread: http://lists.openvz.org/pipermail/criu/2013-January/007040.html > > A description of the API can be found here: > https://lwn.net/Articles/531939/ Thanks you for the attempt to involve more people to this discussion. > > The main problem is the ugliness of changing the meaning of pread()'s > 'offset' argument to be a multiplexed [signal queue selector + queue > position]. > > I do wonder if we can do better, though I have no particular solution > to offer beyond the sledgehammer of adding a new system call. If we are choosing between this interface or a new syscall, I would prefer this interface. signalfd is a special descriptor, so I think it is not a big deal, that it works a bit strange. If all other would decides, that a new syscall is better, I will not ague. Michael, thank you for the comments. > > Cheers, > > Michael > > > -- > Michael Kerrisk > Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ > Author of "The Linux Programming Interface"; http://man7.org/tlpi/ > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > 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-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
