* thread_pthread.c (thread_timer): initializes mutex each time.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20133 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Fri Nov  7 22:42:23 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* thread_pthread.c (thread_timer): initializes mutex each time.
+
 Fri Nov  7 21:23:02 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* thread_win32.c (thread_start_func_1): use already gotten stack info.

thread_pthread.c

@@ -669,8 +669,9 @@ static void *
 thread_timer(void *dummy)
 {
     struct timespec ts;
-    static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
+    pthread_mutex_t lock;
 
+    pthread_mutex_initializer(&lock, 0);
     pthread_mutex_lock(&lock);
 #define WAIT_FOR_10MS() (pthread_cond_timedwait(&timer_thread_cond, &lock, get_ts(&ts, PER_NANO/100)) == ETIMEDOUT)
     while (WAIT_FOR_10MS()) {