fix timers so that they work when theres lots of repeating timers in the queue..

[chaz/openbox] / openbox / mainloop.c

diff --git a/openbox/mainloop.c b/openbox/mainloop.c
index c1ede830a69eabcd379e2a6576a734cf35ef678b..825d3f4febc7f0a0c321bdccc177074388c88c5f 100644 (file)
--- a/openbox/mainloop.c
+++ b/openbox/mainloop.c
@@ -104,6 +104,10 @@ struct _ObMainLoopTimer
     GTimeVal last;
     /* When this timer will next trigger */
     GTimeVal timeout;
+
+    /* Only allow a timer's function to fire once per run through the list,
+       so that it doesn't get locked in there forever */
+    gboolean fired;
 };
 
 struct _ObMainLoopSignalHandlerType
@@ -500,10 +504,8 @@ void ob_main_loop_fd_remove(ObMainLoop *loop,
 static glong timecompare(GTimeVal *a, GTimeVal *b)
 {
     glong r;
-
-    if ((r = b->tv_sec - a->tv_sec)) return r;
-    return b->tv_usec - a->tv_usec;
-
+    if ((r = a->tv_sec - b->tv_sec)) return r;
+    return a->tv_usec - b->tv_usec;
 }
 
 static void insert_timer(ObMainLoop *loop, ObMainLoopTimer *ins)
@@ -511,7 +513,7 @@ static void insert_timer(ObMainLoop *loop, ObMainLoopTimer *ins)
     GSList *it;
     for (it = loop->timers; it; it = g_slist_next(it)) {
         ObMainLoopTimer *t = it->data;
-        if (timecompare(&ins->timeout, &t->timeout) >= 0) {
+        if (timecompare(&ins->timeout, &t->timeout) <= 0) {
             loop->timers = g_slist_insert_before(loop->timers, it, ins);
             break;
         }
@@ -560,9 +562,7 @@ void ob_main_loop_timeout_remove_data(ObMainLoop *loop, GSourceFunc handler,
 
     for (it = loop->timers; it; it = g_slist_next(it)) {
         ObMainLoopTimer *t = it->data;
-        if (t->func == handler &&
-            (t->equal ? t->equal(t->data, data) : (t->data == data)))
-        {
+        if (t->func == handler && t->equal(t->data, data)) {
             t->del_me = TRUE;
             if (cancel_dest)
                 t->destroy = NULL;
@@ -620,7 +620,7 @@ static void timer_dispatch(ObMainLoop *loop, GTimeVal **wait)
 
         /* the queue is sorted, so if this timer shouldn't fire, none are
            ready */
-        if (timecompare(&NEAREST_TIMEOUT(loop), &loop->now) < 0)
+        if (timecompare(&NEAREST_TIMEOUT(loop), &loop->now) > 0)
             break;
 
         /* we set the last fired time to delay msec after the previous firing,
@@ -638,6 +638,10 @@ static void timer_dispatch(ObMainLoop *loop, GTimeVal **wait)
             g_free(curr);
         }
 
+        /* the timer queue has been shuffled, start from the beginning
+           (which is the next one to fire) */
+        next = loop->timers;
+
         fired = TRUE;
     }