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.
If @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.
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.
If @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.