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b62450cf17
The mq_open call is just a framework now. This patch moves the entire functionality into fhandler_mqueue. To support standard OS calls (as on Linux), make fhandler_mqueue a derived class from fhandler_disk_file and keep the base handle the handle to the default stream, to allow implementing O_PATH functionlaity as well as reading from the file and NOT reading binary message queue data. Implement a standard fhandler_mqueue::open method, allowing, for instance, to touch a file under /dev/mqueue and if it doesn't exist, to create a message queue file. FIXME: This introduces a BAD HACK into path_conv::check, which needs reviewing. Keep the posix path intact in the fhandler, and change get_proc_fd_name accordingly to return only the basename plus leading slash for /proc/<PID>/fd. Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Cygwin documentation is available on the net at https://cygwin.com You might especially be interested in https://cygwin.com/faq/faq.html#faq.programming.building-cygwin