What behavior is in this loop?

Hi,

I found interesting "for" and "while" loop in WaitForWALToBecomeAvailable() in
xlog.c. Can you tell me this behavior?

for (;;)
{
~
} while (StanbyMode)

I confirmed this code is no problem in gcc compiler:)

Regards,
--
Mitsumasa KONDO
NTT Open Source Software Center