[pgpool-committers: 102] pgpool: add node list functions.

[At Mitani]

add node list functions.

Branch
------
feature/watchdog

Details
-------
http://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=b3a1a2b5234d92ea7e333a821b389171218d310b

Modified Files
--------------
main.c               |    6 ++
watchdog/watchdog.c  |    3 +-
watchdog/watchdog.h  |   19 ++++-
watchdog/wd_child.c  |   49 ++++++++----
watchdog/wd_ext.h    |    5 +-
watchdog/wd_init.c   |   11 +++
watchdog/wd_packet.c |  209 +++++++++++++++++++++++++++++++++++++++++++++-----
7 files changed, 262 insertions(+), 40 deletions(-)