Man page - mongoc_gridfs_file_readv(3)

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Manual

MONGOC_GRIDFS_FILE_READV

SYNOPSIS
PARAMETERS
DESCRIPTION
RETURNS
AUTHOR
COPYRIGHT

SYNOPSIS

ssize_t
mongoc_gridfs_file_readv (mongoc_gridfs_file_t *file,
mongoc_iovec_t *iov,
size_t iovcnt,
size_t min_bytes,
uint32_t timeout_msec);

PARAMETERS

file : A mongoc_gridfs_file_t .

iov : An array of mongoc_iovec_t .

iovcnt : The number of elements in iov .

min_bytes : The minimum number of bytes that must be read or an error will be synthesized.

timeout_msec : Unused.

DESCRIPTION

This function performs a scattered read from file , potentially blocking to read from the MongoDB server.

The timeout_msec parameter is unused.

RETURNS

Returns the number of bytes read, or -1 on failure. Use mongoc_gridfs_file_error() to retrieve error details.

AUTHOR

MongoDB, Inc

COPYRIGHT

2009-present, MongoDB, Inc.