* thread_pthread.c (USE_SLEEPY_TIMER_THREAD): use more accurate

ifdef condtions.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39680 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Wed Mar  6 21:00:23 2013  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
+
+	* thread_pthread.c (USE_SLEEPY_TIMER_THREAD): use more accurate
+	  ifdef condtions.
+
 Sun Mar  3 02:30:36 2013  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
 
 	* thread_pthread.c (set_nonblock): new helper function for set

thread_pthread.c

@@ -53,12 +53,12 @@ static pthread_t timer_thread_id;
 #define USE_MONOTONIC_COND 0
 #endif
 
-#ifdef __native_client__
-/* Doesn't have select(1). */
-# define USE_SLEEPY_TIMER_THREAD 0
-#else
+#if defined(HAVE_FCNTL) && defined(F_GETFL) && defined(F_SETFL) && defined(O_NONBLOCK) && !defined(__native_client__)
 /* The timer thread sleeps while only one Ruby thread is running. */
 # define USE_SLEEPY_TIMER_THREAD 1
+#else
+/* Doesn't have select(1). */
+# define USE_SLEEPY_TIMER_THREAD 0
 #endif
 
 static void