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62ee6581a5
Per discussion on cygwin-developers, a Cygwin tmpfile(3) implementation has been added to syscalls.cc. This overrides the one supplied by newlib. Then the open(2) flag O_TMPFILE was added to the open call that tmpfile internally makes. This v2 patch removes O_CREAT from open() call as O_TMPFILE obviates it. Note that open() takes a directory's path but returns an fd to a file.
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