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d6c50e630a
shmat may call shmget. shmget locks by itself as necessary, so there's no reason to keep the lock active and recurse into the lock. Use SRWLOCK and only lock as required. 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