fhandler_serial: fix comments
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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082f2513c7
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8ffe12b394
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@ -45,7 +45,7 @@ fhandler_serial::raw_read (void *ptr, size_t& ulen)
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if (ulen == 0)
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return;
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/* If VMIN > 0 in blocking mode, we have to wait for at least VMIN chars.
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/* If MIN > 0 in blocking mode, we have to wait for at least MIN chars.
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Otherwise we're in polling mode and there's no minimum chars. */
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ssize_t minchars = is_nonblocking () ? 0 : vmin_;
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@ -85,8 +85,8 @@ fhandler_serial::raw_read (void *ptr, size_t& ulen)
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and don't wait. */
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if (st.cbInQue && st.cbInQue >= minchars)
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bytes_to_read = MIN (st.cbInQue, bytes_to_read);
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/* Otherwise, if VMIN > 0, VTIME == 0, we have to wait until
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VMIN bytes are available in the inbound queue. */
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/* Otherwise, if MIN > 0, TIME == 0, we have to wait until
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MIN bytes are available in the inbound queue. */
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else if (minchars && !vtime_)
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wait_for_vmin = true;
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}
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