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The new call will read from a file descriptor into a strbuf once. The underlying call xread is just run once. xread only reattempts reading in case of EINTR, which makes it suitable to use for a nonblocking read. Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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