* nscd/cache.c (cache_search): Keep track of how many chain links
we searched and update table statistics.
(cache_add): Keep track of how many values are in the table.
(prune_cache): Likewise. Keep track of locking success.
Print messages about removed entries in separate pass.
* nscd/connections.c (handle_request): Don't print debug message here.
The caller will do it. Keep track of locking success.
(nscd_run): Print debug message. Also print PID of the client process.
* nscd/nscd.c (start_time): New variable.
(main): Remember start time.
* nscd/nscd.h: Declare start_time.
(struct database): Add more members for new statistics.
* nscd/nscd_stat.c: Add support for sending, receiving, and printing
of new statistics.