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From: <sten.kristian.ivarsson@gmail.com>
To: <cygwin@cygwin.com>
Subject: unlink does not remove named pipe
Date: Fri, 17 Apr 2020 10:26:02 +0200
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If you're creating a lot's of named pipes in main process and in children
and then using unlink, some of the named pipe files are not removed from the
file system and no error is issued, i.e. unlink doesn't return -1

Kristian