Hi,

http://archives.postgresql.org/pgsql-hackers/2009-07/msg00191.php

In line with Robert's suggestion, I submit the signal multiplexing patch
as self-contained one.

This patch provides support for multiplexing SIGUSR1 signal.
The upcoming synchronous replication patch needs a signal, but we've
already used SIGUSR1 and SIGUSR2 in normal backends. This patch
allows reusing SIGUSR1 for that, and for other purposes too if the need
arises.

Regards,

-- 
Fujii Masao
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center

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