cvs commit: src/sys/kern uipc_socket.c src/sys/netinet ip_input.c udp_usrreq.c src/sys/sys socket.h

[Ruslan Ermilov]

On Sat, Jan 31, 2004 at 02:40:26AM -0800, Poul-Henning Kamp wrote:
> phk         2004/01/31 02:40:25 PST
> 
>   FreeBSD src repository
> 
>   Modified files:
>     sys/kern             uipc_socket.c 
>     sys/netinet          ip_input.c udp_usrreq.c 
>     sys/sys              socket.h 
>   Log:
>   Introduce the SO_BINTIME option which takes a high-resolution timestamp
>   at packet arrival.
>   
>   For benchmarking purposes SO_BINTIME is preferable to SO_TIMEVAL
>   since it has higher resolution and lower overhead.  Simultaneous
>   use of the two options is possible and they will return consistent
>   timestamps.
>   
>   This introduces an extra test and a function call for SO_TIMEVAL, but I have
>   not been able to measure that.
>   
>   Revision  Changes    Path
>   1.161     +2 -0      src/sys/kern/uipc_socket.c
>   1.260     +18 -7     src/sys/netinet/ip_input.c
>   1.145     +1 -1      src/sys/netinet/udp_usrreq.c
>   1.75      +2 -0      src/sys/sys/socket.h
> 
Did you mean SO_TIMESTAMP?  Also, could you please document both
SO_TIMESTAMP and SO_BINTIME in the setsockopt(3) manpage -- a raw
non-marked up text would also be appreciated.


Cheers,
-- 
Ruslan Ermilov
FreeBSD committer
ru at FreeBSD.org
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