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SubjectRe: writev() BUGS!
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> With send(), on a BLOCKING socket, the socket should block until the
> data can be sent. If the length of the data is too great to send
> "atomically", send returns -1 with errno set to EMSGSIZE. This
> seems to mean that no partial messages are possible with a blocking
> send().

partial messages are available even on BSD with a send(). Take a signal
while waiting for buffer space


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