Problem: WSAEventSelect checks for FD_OOB, but select does not #3729
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WSAEventSelect is used on Windows (when select is the polling method) only if waiting for more than one socket family, excluding IPv4/6. It is then passed FD_OOB, which means it can be woken by OOB messages, but select later on never checks for it. Remove FD_OOB as it's not actually used for anything.
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WSAEventSelect is used on Windows (when select is the polling method)
only if waiting for more than one socket family, excluding IPv4/6.
It is then passed FD_OOB, which means it can be woken by OOB messages,
but select later on never checks for it.
Remove FD_OOB as it's not actually used for anything.