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555afcb2f3
Linux select(2) returns the pipe as writable if at least one free page (4K onl most systems) is left in a page-oriented buffer handling. This is the same as PIPE_BUF. Emulate this behaviour by only returning the pipe as writable if at least 4K space is left in the buffer. 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