From 72af26207b6e4600e540ec0158cde30df86f7864 Mon Sep 17 00:00:00 2001
From: nagachika <nagachika@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 1 Dec 2011 14:28:42 +0000
Subject: [PATCH] * thread_pthread.c (thread_timer): call prctl(PR_SET_NAME)
 only if   PR_SET_NAME is available.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33923 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog        | 5 +++++
 thread_pthread.c | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 78c9be9628..514cf4b220 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Thu Dec  1 23:21:58 2011  CHIKANAGA Tomoyuki  <nagachika00@gmail.com>
+
+	* thread_pthread.c (thread_timer): call prctl(PR_SET_NAME) only if
+	  PR_SET_NAME is available.
+
 Thu Dec  1 22:31:16 2011  Tanaka Akira  <akr@fsij.org>
 
 	* io.c (linux_get_maxfd): change local variable name.
diff --git a/thread_pthread.c b/thread_pthread.c
index 0da4aee67f..1688d3d0df 100644
--- a/thread_pthread.c
+++ b/thread_pthread.c
@@ -1130,7 +1130,7 @@ thread_timer(void *p)
 
     if (TT_DEBUG) WRITE_CONST(2, "start timer thread\n");
 
-#ifdef __linux__
+#if defined(__linux__) && defined(PR_SET_NAME)
     prctl(PR_SET_NAME, "ruby-timer-thr");
 #endif