[pgpool-committers: 2519] pgpool: Fixing a problem with pcp_detach_node, When graceful node detac

[Muhammad Usama]

Fixing a problem with pcp_detach_node, When graceful node detach is requested

gracefully detaching a node by pcp_detach_node should check if it is allowed to
process detach_node command on the particular node before blocking the incoming
connections and closing the existing connections.

Conflicts:
	main.c

Branch
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V3_1_STABLE

Details
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http://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=7f97424d4947a5377a10ab938a23e3e1222dc10b

Modified Files
--------------
main.c      |   56 ++++++++++++++++++++++++++++++++++++++++++++++++--------
pcp_child.c |   50 +++++++++++++++++++++++++++++++++++++-------------
pool.h      |    1 +
3 files changed, 86 insertions(+), 21 deletions(-)