gboolean g_output_stream_flush ( GOutputStream* stream, GCancellable* cancellable, GError** error )
Forces a write of all user-space buffered data for the given
stream. Will block during the operation. Closing the stream will
implicitly cause a flush.
This function is optional for inherited classes.
cancellable is not
NULL, then the operation can be cancelled by
triggering the cancellable object from another thread. If the operation
was cancelled, the error
G_IO_ERROR_CANCELLED will be returned.
Optional cancellable object.
|The argument can be |
|The data is owned by the caller of the function.|
|The return location for a