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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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Michael Kerrisk 2017-11-09 12:06:29 +01:00
parent 5e0083d278
commit f8c419a49e
1 changed files with 6 additions and 0 deletions
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6
man2/clock_getres.2
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@ -258,6 +258,12 @@ Consequently, these time services shall expire when the requested relative
interval elapses, independently of the new or old value of the clock. interval elapses, independently of the new or old value of the clock.
.RE .RE
.\" .\"
.SS C library/kernel differences
On some architectures, an implementation of
.BR clock_gettime ()
is provided in the
.BR vdso (7).
.\"
.SS Historical note for SMP systems .SS Historical note for SMP systems
Before Linux added kernel support for Before Linux added kernel support for
.B CLOCK_PROCESS_CPUTIME_ID .B CLOCK_PROCESS_CPUTIME_ID