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Date:      Sun, 17 Dec 2006 12:53:52 +0000
From:      Dieter <freebsd@sopwith.solgatos.com>
To:        freebsd-questions@freebsd.org
Subject:   write(2) takes > 17 seconds even with O_NONBLOCK
Message-ID:  <200612172053.UAA01723@sopwith.solgatos.com>

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I've always thought that writing to a file descriptor with O_NONBLOCK
set was supposed to return quickly.  Isn't that the whole point of
O_NONBLOCK ?

I have a C program writing to stdout, which is set to O_NONBLOCK,
and the shell redirects stdout to a regular disk file.  Dispite
O_NONBLOCK, my program reports that a write call took 17.701340
seconds.



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