[pgpool-committers: 4840] pgpool: Fix "write on backend 0 failed with error :"Success"" error.

[Tatsuo Ishii]

Fix "write on backend 0 failed with error :"Success"" error.

While writing to a socket, sometimes write() returns 0. Before we
treated this as an error, but it seems this could happen in the field
and is better to be treated as normal. So if write() returns 0, then
retry write() instead of raise an error.

Per bug #403.

Branch
------
V3_6_STABLE

Details
-------
https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=06a1d33623a173f7a1f0ed4f723b547c1b7d914b

Modified Files
--------------
src/utils/pool_stream.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)