[pgpool-committers: 8062] pgpool: Fix signal handler for SIGTERM, SIGINT and SIGQUIT.

[Tatsuo Ishii]

Fix signal handler for SIGTERM, SIGINT and SIGQUIT.

It did not properly save errno and it was possible to overwrite errno.

Branch
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V4_2_STABLE

Details
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https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=a086144ae2e7f6812bd3c0b66b8f34e1677ec974

Modified Files
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src/protocol/child.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)