From: Vincent Brillault <git@lerya.net>
Date: Fri, 22 Aug 2014 16:56:24 +0000 (+0200)
Subject: Turbostat: Explain why _GNU_SOURCE is required
X-Git-Tag: collectd-5.5.0~24^2~74
X-Git-Url: https://git.tokkee.org/?a=commitdiff_plain;h=fa4ee54284bba1b55e40101334b8770d96649fb9;p=collectd.git

Turbostat: Explain why _GNU_SOURCE is required
---

diff --git a/src/turbostat.c b/src/turbostat.c
index 19f0786b..9337e90f 100644
--- a/src/turbostat.c
+++ b/src/turbostat.c
@@ -24,7 +24,17 @@
  * Ported to collectd by Vincent Brillault <git@lerya.net>
  */
 
+/*
+ * _GNU_SOURCE is required because of the following functions:
+ * - CPU_ISSET_S
+ * - CPU_ZERO_S
+ * - CPU_SET_S
+ * - CPU_FREE
+ * - CPU_ALLOC
+ * - CPU_ALLOC_SIZE
+ */
 #define _GNU_SOURCE
+
 #include <asm/msr-index.h>
 #include <stdarg.h>
 #include <stdio.h>