Log Message:
-----------
Use setitimer() for stats file write, rather than do a gettimeofday()
call for every stats packet read to adjust select() timeout. Other
stylistic improvements.
Modified Files:
--------------
pgsql/src/backend/postmaster:
pgstat.c (r1.116 -> r1.117)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/postmaster/pgstat.c.diff?r1=1.116&r2=1.117)