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Classes | |
| class | XrdSfsXio |
Typedefs | |
| typedef class XrdBuffer * | XrdSfsXioHandle |
Typedef Documentation
◆ XrdSfsXioHandle
| typedef class XrdBuffer* XrdSfsXioHandle |
This class is used to allow file I/O interfaces to perform exchange buffer I/O in order to minimize data copying. When this feature is enabled, the XrdSfsInterface::setXio() method is called on a newly created XrdSfsFile object. Ideally, all oustanding buffers should be be released when the file is closed. Alternatively, the XrdSfsXio::Reclaim() method may be used at any time when it is convenient to do so. For best performance, use XrdSfsXio::Swap() as it provides memory locality and is kind to the cache. Buffer swapping is only supported for common file write operations.
