* thread_pthread.c (ping_signal_thread_list, thread_timer):

fix to keep polling state if there are any ping-tasks.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32322 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Thu Jun 30 17:25:08 2011  Koichi Sasada  <ko1@atdot.net>
+
+	* thread_pthread.c (ping_signal_thread_list, thread_timer): 
+	  fix to keep polling state if there are any ping-tasks.
+
 Thu Jun 30 12:25:34 2011  Koichi Sasada  <ko1@atdot.net>
 
 	* thread_pthread.c (rb_thread_create_timer_thread): allocate

thread_pthread.c

@@ -963,7 +963,7 @@ ubf_select(void *ptr)
     ubf_select_each(th);
 }
 
-static void
+static int
 ping_signal_thread_list(void) {
     if (signal_thread_list_anchor.next) {
 	FGLOCK(&signal_thread_list_lock, {
@@ -975,13 +975,17 @@ ping_signal_thread_list(void) {
 		list = list->next;
 	    }
 	});
+	return 1;
+    }
+    else {
+	return 0;
     }
 }
 #else /* USE_SIGNAL_THREAD_LIST */
 static void add_signal_thread_list(rb_thread_t *th) { }
 static void remove_signal_thread_list(rb_thread_t *th) { }
 #define ubf_select 0
-static void ping_signal_thread_list(void) { }
+static int ping_signal_thread_list(void) { return 0; }
 #endif /* USE_SIGNAL_THREAD_LIST */
 
 static pthread_t timer_thread_id;
@@ -1069,17 +1073,19 @@ thread_timer(void *p)
 
     while (system_working > 0) {
 	fd_set rfds;
+	int need_polling;
 
 	/* timer function */
-	ping_signal_thread_list();
+	need_polling = ping_signal_thread_list();
 	timer_thread_function(0);
+
 	if (TT_DEBUG) WRITE_CONST(2, "tick\n");
 
 	/* wait */
 	FD_ZERO(&rfds);
 	FD_SET(timer_thread_pipe[0], &rfds);
 
-	if (gvl->waiting > 0) {
+	if (gvl->waiting > 0 || need_polling) {
 	    timeout.tv_sec = 0;
 	    timeout.tv_usec = TIME_QUANTUM_USEC;