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clock_getres.2: clock_gettime() may be implemented in the vDSO
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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@ -258,6 +258,12 @@ Consequently, these time services shall expire when the requested relative
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interval elapses, independently of the new or old value of the clock.
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interval elapses, independently of the new or old value of the clock.
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.RE
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.RE
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.\"
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.\"
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.SS C library/kernel differences
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On some architectures, an implementation of
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.BR clock_gettime ()
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is provided in the
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.BR vdso (7).
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.\"
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.SS Historical note for SMP systems
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.SS Historical note for SMP systems
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Before Linux added kernel support for
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Before Linux added kernel support for
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.B CLOCK_PROCESS_CPUTIME_ID
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.B CLOCK_PROCESS_CPUTIME_ID
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