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prctl.2: Fix mis-description of thread ID values in procfs 

Under PR_SET_NAME, the [tid] value seen in procfs as
/proc/self/task/[tid] is mistakenly described as the name of the
thread, whereas really the name is on /proc/self/task/[tid]/comm.

Fix it.

Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Dave Martin 2020-05-12 17:36:48 +01:00 committed by Michael Kerrisk
parent 1e0d99b899
commit 5aaf1385fb
1 changed files with 4 additions and 2 deletions
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6
man2/prctl.2
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@ -803,8 +803,10 @@ and retrieved using
The attribute is likewise accessible via
.IR /proc/self/task/[tid]/comm ,
where
.I tid
is the name of the calling thread.
.I [tid]
is the the thread ID of the calling thread, as returned by
.BR gettid (2).
.\" prctl PR_GET_NAME
.TP
.BR PR_GET_NAME " (since Linux 2.6.11)"
Return the name of the calling thread,