Thread (57 messages) 57 messages, 4 authors, 2020-05-26
STALE2237d

[PATCH 03/14] prctl.2: tfix mis-description of thread ID values in procfs

From: Dave Martin <Dave.Martin@arm.com>
Date: 2020-05-12 16:38:21
Also in: linux-arch, linux-man
Subsystem: the rest · Maintainer: Linus Torvalds

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>
---
 man2/prctl.2 | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/man2/prctl.2 b/man2/prctl.2
index a35b748..9736434 100644
--- a/man2/prctl.2
+++ b/man2/prctl.2
@@ -808,8 +808,10 @@ 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,
-- 
2.1.4


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