On 21/01/2015 08:52, Michael Kerrisk (man-pages) wrote:
>> > The problem is that there is no room for flags field in epoll_pwait1, which is
>> > asked for, in previous discussion thread [1].
> Ahh yes, I certainly should not have forgotten that. But that's easily solved.
> Do as for pselect6():
>
> strcut sigargs {
> const sigset_t *ss;
> size_t ss_len; /* Size (in bytes) of object pointed
> to by 'ss' */
> }
>
> epoll_pwait1(int epfd, struct epoll_event *events, int maxevents,
> struct timespec *timeout, int clock_id, int flags,
> int timeout,
> const struct sigargs *sargs);
>
Alternatively, place the clock_id in the lower 16 bits of flags.
MAX_CLOCKS is 16 right now, so there's room.
Paolo
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