[pgpool-hackers: 3992] Fix pgpoolLogger uses 100% cpu when log rotation is enabled

[fangjun06608 at hundsun.com]

Hi,

I found that when log rotation is enabled, the subprocess pgpoolLogger uses
100% cpu, and pgpool -m fast stop can work properly.

Following is an example conf:

log_truncate_on_rotation = on

log_rotation_age = 1d

log_rotation_size = 100MB

 

The reason is that the `timeout` pssed to select is not initialized
completely.

Text picked from man select(2):

  Consider timeout to be undefined after select() returns.

 

Git patch is attached.

 

 

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