Fix Socket::Connect error in addrinfo inherit os_error #10782
Merged
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This change is necessary, because
errno
may not actually have the corresponding value anymore, and the reliance onErrno
is not portable.The first commit changes
SystemError.new_from_os_error
to allowmessage
parameter be nil.os_error
in.from_os_error
may be nil, hence the message can be nil, too.