Messages in this thread | | | Subject | Re: [PATCH] [man-pages] adjtimex.2: document clock_adjtime | From | "Michael Kerrisk (man-pages)" <> | Date | Mon, 18 Dec 2017 20:19:42 +0100 |
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Hi Richard,
On 11/21/2017 05:06 PM, Richard Cochran wrote: > On Tue, Nov 21, 2017 at 09:06:37AM +0100, Arnd Bergmann wrote: >> >> I copied that line from clock_gettime() man page. I suppose we want to >> fix change this in both pages, right? Any suggestions for a good way to >> express your explanation in the man page? I suppose we don't want to >> go into details of the implementation there but still capture the possible >> corner cases. > > Dynamic clockids are a Linux specific extension. This should be > explained with a paragraph or two on the gettime man page, along with > an example using the macros. > > #define CLOCKFD 3 > #define FD_TO_CLOCKID(fd) ((~(clockid_t) (fd) << 3) | CLOCKFD) > #define CLOCKID_TO_FD(clk) ((unsigned int) ~((clk) >> 3)) > > Then, the adjtimex page can say, see gettime. > > Let me try to come up with a text over the (USA) holiday weekend.
Might you have a chance to look at this still?
Cheers,
Michael
-- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/
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