MONGOC_STREAM_READV(3) libmongoc MONGOC_STREAM_READV(3) SYNOPSIS ssize_t mongoc_stream_readv (mongoc_stream_t *stream, mongoc_iovec_t *iov, size_t iovcnt, size_t min_bytes, int32_t timeout_msec); PARAMETERS * stream: A mongoc_stream_t. * iov: A vector of mongoc_iovec_t. * iovcnt: The number of items in iov. * min_bytes: The minimum number of bytes to read or failure will be indi- cated. * timeout_msec: A timeout in milliseconds, or 0 to indicate non-blocking. A negative value with use the default timeout. This function is identical to mongoc_stream_read() except that it takes a mongoc_iovec_t to perform gathered I/O. WARNING: The "default timeout" indicated by a negative value is both unspecified and unrelated to the documented default values for *TimeoutMS URI op- tions. To specify a default timeout value for a *TimeoutMS URI option, use the MONGOC_DEFAULT_* constants defined in mongoc-client.h. RETURNS >= 0 on success, -1 on failure and errno is set. SEE ALSO: mongoc_stream_read() mongoc_stream_write() mongoc_stream_writev() AUTHOR MongoDB, Inc COPYRIGHT 2009-present, MongoDB, Inc. 1.30.8 Aug 27, 2026 MONGOC_STREAM_READV(3)
SYNOPSIS | PARAMETERS | RETURNS | AUTHOR | COPYRIGHT
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