From da49ae181495720062322f10b4f31b380024fe03 Mon Sep 17 00:00:00 2001
From: Michael Kerrisk <mtk.manpages@gmail.com>
Date: Sat, 21 Jul 2007 06:59:36 +0000
Subject: [PATCH] Note what thread is affected if 'pid' is specified as 0, or
 as the value returned by getpid().

---
 man2/sched_setaffinity.2 | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/man2/sched_setaffinity.2 b/man2/sched_setaffinity.2
index 0212e45c4..5d947dbab 100644
--- a/man2/sched_setaffinity.2
+++ b/man2/sched_setaffinity.2
@@ -185,6 +185,12 @@ The value returned from a call to
 .BR gettid (2)
 can be passed in the argument
 .IR pid .
+Specifying
+.I pid
+as 0 will set the attribute for the current thread,
+and passing the value returned from a call to
+.BR getpid (2)
+will set the attribute for the main thread of the thread group.
 
 A child created via
 .BR fork (2)