mongoc_gridfs_file_writev()
Synopsis
ssize_t
mongoc_gridfs_file_writev (mongoc_gridfs_file_t *file,
                           mongoc_iovec_t       *iov,
                           size_t                iovcnt,
                           uint32_t              timeout_msec);Parameters
file  | 
|
iov  | 
An array of mongoc_iovec_t.  | 
iovcnt  | 
The number of elements in iov.  | 
timeout_msec  | 
A uint32_t with the timeout in milliseconds.  | 
Description
Performs a gathered write to the underlying gridfs file.
If timeout is reached, then -1 is returned and errno is set to ETIMEDOUT.
Returns
Returns the number of bytes written or -1 upon error and errno is set.