[pgpool-committers: 1187] pgpool: Fix a hang that occurs when mutiple pgpools startup before all

[Yugo Nagata]

Fix a hang that occurs when mutiple pgpools startup before all backend startup

Specify a timeout value for lock-waiting loops.

Branch
------
master

Details
-------
http://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=dcfe7810e158ad1a48617d07a466e686dd0ba04c

Modified Files
--------------
main.c                  |   14 ++-----
watchdog/wd_ext.h       |    5 ++-
watchdog/wd_interlock.c |   94 ++++++++++++++++++++++++++++++++++++++++-------
watchdog/wd_list.c      |   31 +++++++++++++---
watchdog/wd_packet.c    |    3 +-
5 files changed, 115 insertions(+), 32 deletions(-)