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acos.3: ATTRIBUTES: Note functions that are thread-safe 

The function acos(), acosf() and acosl() are thread safe.

Signed-off-by: Ma Shimiao <mashimiao.fnst@cn.fujitsu.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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Ma Shimiao 2014-11-26 13:35:00 +08:00 committed by Michael Kerrisk
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@ -110,6 +110,20 @@ is set to
An invalid floating-point exception
.RB ( FE_INVALID )
is raised.
.SH ATTRIBUTES
For an explanation of the terms used in this section, see
.BR attributes (7).
.TS
allbox;
lbw24 lb lb
l l l.
Interface Attribute Value
T{
.BR acos (),
.BR acosf (),
.BR acosl ()
T} Thread safety MT-Safe
.TE
.SH CONFORMING TO
C99, POSIX.1-2001.
The variant returning