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round.3: ATTRIBUTES: Note functions that are thread-safe
The functions round(), roundf() and roundl() are thread safe. Signed-off-by: Peng Haitao <penght@cn.fujitsu.com>
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POSIX.1-2001 documents a range error for overflows, but see NOTES.
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.SH VERSIONS
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These functions first appeared in glibc in version 2.1.
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.SH ATTRIBUTES
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.SS Multithreading (see pthreads(7))
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The
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.BR round (),
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.BR roundf ()
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and
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.BR roundl ()
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functions are thread-safe.
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.SH CONFORMING TO
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C99, POSIX.1-2001.
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.SH NOTES
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