usleep(3): Note the historical rake that was stepped upon.
PR 58184
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.\" $NetBSD: usleep.3,v 1.21 2024/04/22 21:25:29 jdolecek Exp $
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.\" $NetBSD: usleep.3,v 1.22 2024/05/15 13:12:04 riastradh Exp $
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.\"
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.\" Copyright (c) 1986, 1991, 1993
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.\" The Regents of the University of California. All rights reserved.
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@ -99,3 +99,17 @@ The
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.Fn usleep
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function appeared in
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.Bx 4.3 .
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.Sh CAVEATS
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In
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.St -p1003.1-2004 ,
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.Nm
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was limited to values of
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.Fa microseconds
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less than one million.
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Some implementations, including
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.Nx
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before 10.1, fail immediately with
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.Er EINVAL
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\(em and don't sleep at all \(em if
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.Fa microseconds
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is one million or greater.
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