* thread_pthread.c (thread_timer): checks working flags again.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20160 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Sun Nov  9 00:30:52 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* thread_pthread.c (thread_timer): checks working flags again.
+
 Sun Nov  9 00:02:01 2008  Takeyuki FUJIOKA  <xibbar@ruby-lang.org>
 
 	* lib/cgi/session/pstore.rb: fix indentation.

thread.c

@@ -75,6 +75,7 @@ void rb_thread_stop_timer_thread(void);
 
 static const VALUE eKillSignal = INT2FIX(0);
 static const VALUE eTerminateSignal = INT2FIX(1);
+static volatile int system_working = 1;
 
 inline static void
 st_delete_wrap(st_table *table, st_data_t key)
@@ -2355,8 +2356,7 @@ timer_thread_function(void *arg)
 void
 rb_thread_stop_timer_thread(void)
 {
-    if (timer_thread_id) {
-	native_stop_timer_thread();
+    if (timer_thread_id && native_stop_timer_thread()) {
 	native_thread_join(timer_thread_id);
 	timer_thread_id = 0;
     }

thread_pthread.c

@@ -679,9 +679,9 @@ thread_timer(void *dummy)
     int err;
 
     native_mutex_lock(&timer_thread_lock);
-    native_cond_signal(&timer_thread_cond);
+    native_cond_broadcast(&timer_thread_cond);
 #define WAIT_FOR_10MS() native_cond_timedwait(&timer_thread_cond, &timer_thread_lock, get_ts(&ts, PER_NANO/100))
-    while ((err = WAIT_FOR_10MS()) != 0 && err != EINTR) {
+    while (system_working > 0 && (err = WAIT_FOR_10MS()) != 0 && err != EINTR) {
 	if (err != ETIMEDOUT) {
 	    rb_bug("thread_timer/timedwait: %d", err);
 	}
@@ -729,12 +729,17 @@ rb_thread_create_timer_thread(void)
     rb_disable_interrupt(); /* only timer thread recieve signal */
 }
 
-static void
+static int
 native_stop_timer_thread(void)
 {
+    int stopped;
     native_mutex_lock(&timer_thread_lock);
-    native_cond_signal(&timer_thread_cond);
+    stopped = --system_working <= 0;
+    if (stopped) {
+	native_cond_signal(&timer_thread_cond);
+    }
     native_mutex_unlock(&timer_thread_lock);
+    return stopped;
 }
 
 #endif /* THREAD_SYSTEM_DEPENDENT_IMPLEMENTATION */

thread_win32.c

@@ -558,6 +558,15 @@ rb_thread_create_timer_thread(void)
     }
 }
 
-#define native_stop_timer_thread() (CloseHandle(timer_thread_lock), timer_thread_lock = 0)
+static int
+native_stop_timer_thread(void)
+{
+    int stopped = --system_working <= 0;
+    if (stopped) {
+	CloseHandle(timer_thread_lock);
+	timer_thread_lock = 0;
+    }
+    return stopped;
+}
 
 #endif /* THREAD_SYSTEM_DEPENDENT_IMPLEMENTATION */