mongoc_gridfs_file_writev(3)

Usage

ssize_t
mongoc_gridfs_file_writev (mongoc_gridfs_file_t *file,
                           const mongoc_iovec_t *iov,
                           size_t iovcnt,
                           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`.
`•`	`timeout_msec`: Unused.

Overview

Performs a gathered write to the underlying gridfs file.

The timeout_msec parameter is unused.

Modifying GridFS files is NOT thread-safe. Only one thread or process can access a GridFS file while it is being modified.

Returns

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

Releases

5 releases since Debian 9 (Stretch); the text changed 4 times.

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