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.TH "MONGOC_SOCKET_SENDV" "3" "Jun 04, 2021" "1.17.6" "libmongoc"
.SH NAME
mongoc_socket_sendv \- mongoc_socket_sendv()
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.SH SYNOPSIS
.INDENT 0.0
.INDENT 3.5
.sp
.nf
.ft C
ssize_t
mongoc_socket_sendv (mongoc_socket_t *sock,
                     mongoc_iovec_t *iov,
                     size_t iovcnt,
                     int64_t expire_at);
.ft P
.fi
.UNINDENT
.UNINDENT
.SH PARAMETERS
.INDENT 0.0
.IP \(bu 2
\fBsock\fP: A \fBmongoc_socket_t\fP\&.
.IP \(bu 2
\fBiov\fP: A mongoc_iovec_t.
.IP \(bu 2
\fBiovcnt\fP: A size_t containing the number of elements in iov.
.IP \(bu 2
\fBexpire_at\fP: A int64_t with absolute timeout in monotonic time. The monotonic clock is in microseconds and can be fetched using \fI\%System Clock\fP\&.
.UNINDENT
.SH DESCRIPTION
.sp
Sends a vector of buffers to the destination. This uses \fBsendmsg()\fP when available to perform a gathered write. If IOV_MAX is reached, a fallback will be used.
.SH RETURNS
.sp
the number of bytes sent on success, or \-1 on failure and errno is set.
.SH AUTHOR
MongoDB, Inc
.SH COPYRIGHT
2017-present, MongoDB, Inc
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