[Pgpool-committers] pgpool - pgpool-II: Fix SIGCHLD and SIGUSR1 signal handling.

[User Y-asaba]

Log Message:
-----------
Fix SIGCHLD and SIGUSR1 signal handling. Signal handlers set flags
only, then a parent process checks flags in signal safe places.

Modified Files:
--------------
    pgpool-II:
        main.c (r1.5 -> r1.6)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/main.c.diff?r1=1.5&r2=1.6)