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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.
.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
Before Linux added kernel support for
.B CLOCK_PROCESS_CPUTIME_ID