[pgpool-committers: 3338] pgpool: Save and restore errno in each signal handler.

[Tatsuo Ishii]

Save and restore errno in each signal handler.

Branch
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V3_4_STABLE

Details
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http://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=1e8c434b37d1c24e11b54b4fe2f2d4c964ba6861

Modified Files
--------------
src/main/pgpool_main.c                        | 23 +++++++++++++++++++++++
src/protocol/child.c                          |  7 +++++++
src/streaming_replication/pool_worker_child.c |  6 ++++++
3 files changed, 36 insertions(+)