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get_robust_list.2: Clarify that "thread ID" means "kernel thread ID" 

Prevent confused readers from thinking that we are talking about
POSIX thread IDs.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2017-09-13 14:13:47 +02:00
parent 34821bdddc
commit 30edf18762
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7
man2/get_robust_list.2
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@ -146,6 +146,13 @@ In the unlikely event that you want to call them directly, use
A thread can have only one robust futex list;
therefore applications that wish
to use this functionality should use the robust mutexes provided by glibc.
.PP
The thread IDs mentioned in the main text are
.I kernel
thread IDs of the kind returned by
.BR clone (2)
and
.BR gettid (2).
.SH SEE ALSO
.BR futex (2),
.BR pthread_mutexattr_setrobust (3)