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55431b408e
If pipe reader is a non-cygwin app first, and cygwin process reads the same pipe after that, the pipe has been set to bclocking mode for the cygwin app. However, the commit 9e4d308cd592 assumes the pipe for cygwin process always is non-blocking mode. With this patch, the pipe mode is reset to non-blocking when cygwin app is started. Addresses: https://cygwin.com/pipermail/cygwin/2024-March/255644.html Fixes: 9e4d308cd592 ("Cygwin: pipe: Adopt FILE_SYNCHRONOUS_IO_NONALERT flag for read pipe.") Reported-by: wh <wh9692@protonmail.com> Reviewed-by: Corinna Vinschen <corinna@vinschen.de> Signed-off-by: Takashi Yano <takashi.yano@nifty.ne.jp>
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