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It is now the responsibility of the read() and write() handler to update the offset field of the IO descriptor (rtems_libio_t). This change makes it possible to protect the IO descriptor from concurrent access by per file locks.
This directory contains the block device (HDD, CDROMs, etc) support code. It includes: - block device driver interface - generic open/close/read/write/ioctl primitives for block device drivers - disk I/O buffering - logical disk support - RAM disk block device driver Victor V. Vengerov, <vvv@oktet.ru> November, 7 2001