Messages in this thread | | | Date | Fri, 13 Mar 2020 16:34:25 +0900 | From | Sergey Senozhatsky <> | Subject | Re: [PATCH] kernel/printk: add kmsg SEEK_CUR handling |
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On (20/03/12 21:35), Bruno Meneguele wrote: > > Userspace libraries, e.g. glibc's dprintf(), expect the default return value > for invalid seek situations: -ESPIPE, but when the IO was over /dev/kmsg the > current state of kernel code was returning the generic case of an -EINVAL. > Hence, userspace programs were not behaving as expected or documented. >
Hmm. I don't think I see ESPIPE in documentation [0], [1], [2]
[0] https://pubs.opengroup.org/onlinepubs/9699919799/functions/fprintf.html [1] http://man7.org/linux/man-pages/man3/dprintf.3p.html [2] http://man7.org/linux/man-pages/man3/fprintf.3p.html
-ss
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