prepare for multiple bases

7 files changed, 369 insertions, 324 deletions

diff --git a/ev.c b/ev.c
index 987b39c..f813e58 100644
--- a/ev.c
+++ b/ev.c
@@ -60,8 +60,8 @@
 # define EV_USE_SELECT 1
 #endif
 
-#ifndef EV_USE_POLL
-# define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */
+#ifndef EV_USEV_POLL
+# define EV_USEV_POLL 0 /* poll is usually slower than select, and not as well tested */
 #endif
 
 #ifndef EV_USE_EPOLL
@@ -115,19 +115,48 @@ typedef struct ev_watcher *W;
 typedef struct ev_watcher_list *WL;
 typedef struct ev_watcher_time *WT;
 
-static ev_tstamp now_floor, now, diff; /* monotonic clock */
-ev_tstamp ev_now;
-int ev_method;
+static ev_tstamp now_floor, mn_now, diff; /* monotonic clock */
+static ev_tstamp rt_now;
+static int method;
 
 static int have_monotonic; /* runtime */
 
 static ev_tstamp method_fudge; /* stupid epoll-returns-early bug */
-static void (*method_modify)(int fd, int oev, int nev);
-static void (*method_poll)(ev_tstamp timeout);
+static void (*method_modify)(EV_P_ int fd, int oev, int nev);
+static void (*method_poll)(EV_P_ ev_tstamp timeout);
+
+static int activecnt; /* number of active events */
+
+#if EV_USE_SELECT
+static unsigned char *vec_ri, *vec_ro, *vec_wi, *vec_wo;
+static int vec_max;
+#endif
+
+#if EV_USEV_POLL
+static struct pollfd *polls;
+static int pollmax, pollcnt;
+static int *pollidxs; /* maps fds into structure indices */
+static int pollidxmax;
+#endif
+
+#if EV_USE_EPOLL
+static int epoll_fd = -1;
+
+static struct epoll_event *events;
+static int eventmax;
+#endif
+
+#if EV_USE_KQUEUE
+static int kqueue_fd;
+static struct kevent *kqueue_changes;
+static int kqueue_changemax, kqueue_changecnt;
+static struct kevent *kqueue_events;
+static int kqueue_eventmax;
+#endif
 
 /*****************************************************************************/
 
-ev_tstamp
+inline ev_tstamp
 ev_time (void)
 {
 #if EV_USE_REALTIME
@@ -141,7 +170,7 @@ ev_time (void)
 #endif
 }
 
-static ev_tstamp
+inline ev_tstamp
 get_clock (void)
 {
 #if EV_USE_MONOTONIC
@@ -156,6 +185,12 @@ get_clock (void)
   return ev_time ();
 }
 
+ev_tstamp
+ev_now (EV_P)
+{
+  return rt_now;
+}
+
 #define array_roundsize(base,n) ((n) | 4 & ~3)
 
 #define array_needsize(base,cur,cnt,init)		\
@@ -208,7 +243,7 @@ static ANPENDING *pendings [NUMPRI];
 static int pendingmax [NUMPRI], pendingcnt [NUMPRI];
 
 static void
-event (W w, int events)
+event (EV_P_ W w, int events)
 {
   if (w->pending)
     {
@@ -223,16 +258,16 @@ event (W w, int events)
 }
 
 static void
-queue_events (W *events, int eventcnt, int type)
+queue_events (EV_P_ W *events, int eventcnt, int type)
 {
   int i;
 
   for (i = 0; i < eventcnt; ++i)
-    event (events [i], type);
+    event (EV_A_ events [i], type);
 }
 
 static void
-fd_event (int fd, int events)
+fd_event (EV_P_ int fd, int events)
 {
   ANFD *anfd = anfds + fd;
   struct ev_io *w;
@@ -242,7 +277,7 @@ fd_event (int fd, int events)
       int ev = w->events & events;
 
       if (ev)
-        event ((W)w, ev);
+        event (EV_A_ (W)w, ev);
     }
 }
 
@@ -252,7 +287,7 @@ static int *fdchanges;
 static int fdchangemax, fdchangecnt;
 
 static void
-fd_reify (void)
+fd_reify (EV_P)
 {
   int i;
 
@@ -271,7 +306,7 @@ fd_reify (void)
 
       if (anfd->events != events)
         {
-          method_modify (fd, anfd->events, events);
+          method_modify (EV_A_ fd, anfd->events, events);
           anfd->events = events;
         }
     }
@@ -280,7 +315,7 @@ fd_reify (void)
 }
 
 static void
-fd_change (int fd)
+fd_change (EV_P_ int fd)
 {
   if (anfds [fd].reify || fdchangecnt < 0)
     return;
@@ -293,32 +328,32 @@ fd_change (int fd)
 }
 
 static void
-fd_kill (int fd)
+fd_kill (EV_P_ int fd)
 {
   struct ev_io *w;
 
   while ((w = (struct ev_io *)anfds [fd].head))
     {
-      ev_io_stop (w);
-      event ((W)w, EV_ERROR | EV_READ | EV_WRITE);
+      ev_io_stop (EV_A_ w);
+      event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
     }
 }
 
 /* called on EBADF to verify fds */
 static void
-fd_ebadf (void)
+fd_ebadf (EV_P)
 {
   int fd;
 
   for (fd = 0; fd < anfdmax; ++fd)
     if (anfds [fd].events)
       if (fcntl (fd, F_GETFD) == -1 && errno == EBADF)
-        fd_kill (fd);
+        fd_kill (EV_A_ fd);
 }
 
 /* called on ENOMEM in select/poll to kill some fds and retry */
 static void
-fd_enomem (void)
+fd_enomem (EV_P)
 {
   int fd = anfdmax;
 
@@ -326,7 +361,7 @@ fd_enomem (void)
     if (anfds [fd].events)
       {
         close (fd);
-        fd_kill (fd);
+        fd_kill (EV_A_ fd);
         return;
       }
 }
@@ -422,7 +457,7 @@ sighandler (int signum)
 }
 
 static void
-sigcb (struct ev_io *iow, int revents)
+sigcb (EV_P_ struct ev_io *iow, int revents)
 {
   struct ev_watcher_list *w;
   int signum;
@@ -436,12 +471,12 @@ sigcb (struct ev_io *iow, int revents)
         signals [signum].gotsig = 0;
 
         for (w = signals [signum].head; w; w = w->next)
-          event ((W)w, EV_SIGNAL);
+          event (EV_A_ (W)w, EV_SIGNAL);
       }
 }
 
 static void
-siginit (void)
+siginit (EV_P)
 {
 #ifndef WIN32
   fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);
@@ -479,7 +514,7 @@ static struct ev_signal childev;
 #endif
 
 static void
-child_reap (struct ev_signal *sw, int chain, int pid, int status)
+child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status)
 {
   struct ev_child *w;
 
@@ -489,22 +524,22 @@ child_reap (struct ev_signal *sw, int chain, int pid, int status)
         w->priority = sw->priority; /* need to do it *now* */
         w->rpid     = pid;
         w->rstatus  = status;
-        event ((W)w, EV_CHILD);
+        event (EV_A_ (W)w, EV_CHILD);
       }
 }
 
 static void
-childcb (struct ev_signal *sw, int revents)
+childcb (EV_P_ struct ev_signal *sw, int revents)
 {
   int pid, status;
 
   if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED)))
     {
       /* make sure we are called again until all childs have been reaped */
-      event ((W)sw, EV_SIGNAL);
+      event (EV_A_ (W)sw, EV_SIGNAL);
 
-      child_reap (sw, pid, pid, status);
-      child_reap (sw,   0, pid, status); /* this might trigger a watcher twice, but event catches that */
+      child_reap (EV_A_ sw, pid, pid, status);
+      child_reap (EV_A_ sw,   0, pid, status); /* this might trigger a watcher twice, but event catches that */
     }
 }
 
@@ -518,7 +553,7 @@ childcb (struct ev_signal *sw, int revents)
 #if EV_USE_EPOLL
 # include "ev_epoll.c"
 #endif
-#if EV_USE_POLL
+#if EV_USEV_POLL
 # include "ev_poll.c"
 #endif
 #if EV_USE_SELECT
@@ -539,7 +574,7 @@ ev_version_minor (void)
 
 /* return true if we are running with elevated privileges and should ignore env variables */
 static int
-enable_secure ()
+enable_secure (void)
 {
 #ifdef WIN32
   return 0;
@@ -549,9 +584,16 @@ enable_secure ()
 #endif
 }
 
-int ev_init (int methods)
+int
+ev_method (EV_P)
 {
-  if (!ev_method)
+  return method;
+}
+
+int
+ev_init (EV_P_ int methods)
+{
+  if (!method)
     {
 #if EV_USE_MONOTONIC
       {
@@ -561,49 +603,49 @@ int ev_init (int methods)
       }
 #endif
 
-      ev_now    = ev_time ();
-      now       = get_clock ();
-      now_floor = now;
-      diff      = ev_now - now;
+      rt_now    = ev_time ();
+      mn_now    = get_clock ();
+      now_floor = mn_now;
+      diff      = rt_now - mn_now;
 
       if (pipe (sigpipe))
         return 0;
 
       if (methods == EVMETHOD_AUTO)
-        if (!enable_secure () && getenv ("LIBEV_METHODS"))
-          methods = atoi (getenv ("LIBEV_METHODS"));
+        if (!enable_secure () && getenv ("LIBmethodS"))
+          methods = atoi (getenv ("LIBmethodS"));
         else
           methods = EVMETHOD_ANY;
 
-      ev_method = 0;
+      method = 0;
 #if EV_USE_KQUEUE
-      if (!ev_method && (methods & EVMETHOD_KQUEUE)) kqueue_init (methods);
+      if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);
 #endif
 #if EV_USE_EPOLL
-      if (!ev_method && (methods & EVMETHOD_EPOLL )) epoll_init  (methods);
+      if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init  (EV_A_ methods);
 #endif
-#if EV_USE_POLL
-      if (!ev_method && (methods & EVMETHOD_POLL  )) poll_init   (methods);
+#if EV_USEV_POLL
+      if (!method && (methods & EVMETHOD_POLL  )) method = poll_init   (EV_A_ methods);
 #endif
 #if EV_USE_SELECT
-      if (!ev_method && (methods & EVMETHOD_SELECT)) select_init (methods);
+      if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);
 #endif
 
-      if (ev_method)
+      if (method)
         {
           ev_watcher_init (&sigev, sigcb);
           ev_set_priority (&sigev, EV_MAXPRI);
-          siginit ();
+          siginit (EV_A);
 
 #ifndef WIN32
           ev_signal_init (&childev, childcb, SIGCHLD);
           ev_set_priority (&childev, EV_MAXPRI);
-          ev_signal_start (&childev);
+          ev_signal_start (EV_A_ &childev);
 #endif
         }
     }
 
-  return ev_method;
+  return method;
 }
 
 /*****************************************************************************/
@@ -624,7 +666,7 @@ void
 ev_fork_child (void)
 {
 #if EV_USE_EPOLL
-  if (ev_method == EVMETHOD_EPOLL)
+  if (method == EVMETHOD_EPOLL)
     epoll_postfork_child ();
 #endif
 
@@ -638,7 +680,7 @@ ev_fork_child (void)
 /*****************************************************************************/
 
 static void
-call_pending (void)
+call_pending (EV_P)
 {
   int pri;
 
@@ -650,15 +692,15 @@ call_pending (void)
         if (p->w)
           {
             p->w->pending = 0;
-            p->w->cb (p->w, p->events);
+            p->w->cb (EV_A_ p->w, p->events);
           }
       }
 }
 
 static void
-timers_reify (void)
+timers_reify (EV_P)
 {
-  while (timercnt && timers [0]->at <= now)
+  while (timercnt && timers [0]->at <= mn_now)
     {
       struct ev_timer *w = timers [0];
 
@@ -666,39 +708,39 @@ timers_reify (void)
       if (w->repeat)
         {
           assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
-          w->at = now + w->repeat;
+          w->at = mn_now + w->repeat;
           downheap ((WT *)timers, timercnt, 0);
         }
       else
-        ev_timer_stop (w); /* nonrepeating: stop timer */
+        ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
 
       event ((W)w, EV_TIMEOUT);
     }
 }
 
 static void
-periodics_reify (void)
+periodics_reify (EV_P)
 {
-  while (periodiccnt && periodics [0]->at <= ev_now)
+  while (periodiccnt && periodics [0]->at <= rt_now)
     {
       struct ev_periodic *w = periodics [0];
 
       /* first reschedule or stop timer */
       if (w->interval)
         {
-          w->at += floor ((ev_now - w->at) / w->interval + 1.) * w->interval;
-          assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > ev_now));
+          w->at += floor ((rt_now - w->at) / w->interval + 1.) * w->interval;
+          assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > rt_now));
           downheap ((WT *)periodics, periodiccnt, 0);
         }
       else
-        ev_periodic_stop (w); /* nonrepeating: stop timer */
+        ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
 
-      event ((W)w, EV_PERIODIC);
+      event (EV_A_ (W)w, EV_PERIODIC);
     }
 }
 
 static void
-periodics_reschedule (ev_tstamp diff)
+periodics_reschedule (EV_P_ ev_tstamp diff)
 {
   int i;
 
@@ -709,12 +751,12 @@ periodics_reschedule (ev_tstamp diff)
 
       if (w->interval)
         {
-          ev_tstamp diff = ceil ((ev_now - w->at) / w->interval) * w->interval;
+          ev_tstamp diff = ceil ((rt_now - w->at) / w->interval) * w->interval;
 
           if (fabs (diff) >= 1e-4)
             {
-              ev_periodic_stop (w);
-              ev_periodic_start (w);
+              ev_periodic_stop (EV_A_ w);
+              ev_periodic_start (EV_A_ w);
 
               i = 0; /* restart loop, inefficient, but time jumps should be rare */
             }
@@ -722,88 +764,101 @@ periodics_reschedule (ev_tstamp diff)
     }
 }
 
-static int
-time_update_monotonic (void)
+inline int
+time_update_monotonic (EV_P)
 {
-  now = get_clock ();
+  mn_now = get_clock ();
 
-  if (expect_true (now - now_floor < MIN_TIMEJUMP * .5))
+  if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
     {
-      ev_now = now + diff;
+      rt_now = mn_now + diff;
       return 0;
     }
   else
     {
-      now_floor = now;
-      ev_now = ev_time ();
+      now_floor = mn_now;
+      rt_now = ev_time ();
       return 1;
     }
 }
 
 static void
-time_update (void)
+time_update (EV_P)
 {
   int i;
 
 #if EV_USE_MONOTONIC
   if (expect_true (have_monotonic))
     {
-      if (time_update_monotonic ())
+      if (time_update_monotonic (EV_A))
         {
           ev_tstamp odiff = diff;
 
           for (i = 4; --i; ) /* loop a few times, before making important decisions */
             {
-              diff = ev_now - now;
+              diff = rt_now - mn_now;
 
               if (fabs (odiff - diff) < MIN_TIMEJUMP)
                 return; /* all is well */
 
-              ev_now    = ev_time ();
-              now       = get_clock ();
-              now_floor = now;
+              rt_now    = ev_time ();
+              mn_now    = get_clock ();
+              now_floor = mn_now;
             }
 
-          periodics_reschedule (diff - odiff);
+          periodics_reschedule (EV_A_ diff - odiff);
           /* no timer adjustment, as the monotonic clock doesn't jump */
         }
     }
   else
 #endif
     {
-      ev_now = ev_time ();
+      rt_now = ev_time ();
 
-      if (expect_false (now > ev_now || now < ev_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
+      if (expect_false (mn_now > rt_now || mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
         {
-          periodics_reschedule (ev_now - now);
+          periodics_reschedule (EV_A_ rt_now - mn_now);
 
           /* adjust timers. this is easy, as the offset is the same for all */
           for (i = 0; i < timercnt; ++i)
             timers [i]->at += diff;
         }
 
-      now = ev_now;
+      mn_now = rt_now;
     }
 }
 
-int ev_loop_done;
+void
+ev_ref (EV_P)
+{
+  ++activecnt;
+}
 
-void ev_loop (int flags)
+void
+ev_unref (EV_P)
+{
+  --activecnt;
+}
+
+static int loop_done;
+
+void
+ev_loop (EV_P_ int flags)
 {
   double block;
-  ev_loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0;
+  loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0;
 
   do
     {
       /* queue check watchers (and execute them) */
       if (expect_false (preparecnt))
         {
-          queue_events ((W *)prepares, preparecnt, EV_PREPARE);
-          call_pending ();
+          queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
+          call_pending (EV_A);
         }
 
       /* update fd-related kernel structures */
-      fd_reify ();
+      fd_reify (EV_A);
 
       /* calculate blocking time */
 
@@ -811,12 +866,12 @@ void ev_loop (int flags)
          always have timers, we just calculate it always */
 #if EV_USE_MONOTONIC
       if (expect_true (have_monotonic))
-        time_update_monotonic ();
+        time_update_monotonic (EV_A);
       else
 #endif
         {
-          ev_now = ev_time ();
-          now    = ev_now;
+          rt_now = ev_time ();
+          mn_now = rt_now;
         }
 
       if (flags & EVLOOP_NONBLOCK || idlecnt)
@@ -827,54 +882,61 @@ void ev_loop (int flags)
 
           if (timercnt)
             {
-              ev_tstamp to = timers [0]->at - now + method_fudge;
+              ev_tstamp to = timers [0]->at - mn_now + method_fudge;
               if (block > to) block = to;
             }
 
           if (periodiccnt)
             {
-              ev_tstamp to = periodics [0]->at - ev_now + method_fudge;
+              ev_tstamp to = periodics [0]->at - rt_now + method_fudge;
               if (block > to) block = to;
             }
 
           if (block < 0.) block = 0.;
         }
 
-      method_poll (block);
+      method_poll (EV_A_ block);
 
-      /* update ev_now, do magic */
-      time_update ();
+      /* update rt_now, do magic */
+      time_update (EV_A);
 
       /* queue pending timers and reschedule them */
-      timers_reify (); /* relative timers called last */
-      periodics_reify (); /* absolute timers called first */
+      timers_reify (EV_A); /* relative timers called last */
+      periodics_reify (EV_A); /* absolute timers called first */
 
       /* queue idle watchers unless io or timers are pending */
       if (!pendingcnt)
-        queue_events ((W *)idles, idlecnt, EV_IDLE);
+        queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
 
       /* queue check watchers, to be executed first */
       if (checkcnt)
-        queue_events ((W *)checks, checkcnt, EV_CHECK);
+        queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
 
-      call_pending ();
+      call_pending (EV_A);
+      printf ("activecnt %d\n", activecnt);//D
     }
-  while (!ev_loop_done);
+  while (activecnt && !loop_done);
 
-  if (ev_loop_done != 2)
-    ev_loop_done = 0;
+  if (loop_done != 2)
+    loop_done = 0;
+}
+
+void
+ev_unloop (EV_P_ int how)
+{
+  loop_done = how;
 }
 
 /*****************************************************************************/
 
-static void
+inline void
 wlist_add (WL *head, WL elem)
 {
   elem->next = *head;
   *head = elem;
 }
 
-static void
+inline void
 wlist_del (WL *head, WL elem)
 {
   while (*head)
@@ -889,8 +951,8 @@ wlist_del (WL *head, WL elem)
     }
 }
 
-static void
-ev_clear_pending (W w)
+inline void
+ev_clear_pending (EV_P_ W w)
 {
   if (w->pending)
     {
@@ -899,25 +961,27 @@ ev_clear_pending (W w)
     }
 }
 
-static void
-ev_start (W w, int active)
+inline void
+ev_start (EV_P_ W w, int active)
 {
   if (w->priority < EV_MINPRI) w->priority = EV_MINPRI;
   if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI;
 
   w->active = active;
+  ev_ref (EV_A);
 }
 
-static void
-ev_stop (W w)
+inline void
+ev_stop (EV_P_ W w)
 {
+  ev_unref (EV_A);
   w->active = 0;
 }
 
 /*****************************************************************************/
 
 void
-ev_io_start (struct ev_io *w)
+ev_io_start (EV_P_ struct ev_io *w)
 {
   int fd = w->fd;
 
@@ -926,46 +990,46 @@ ev_io_start (struct ev_io *w)
 
   assert (("ev_io_start called with negative fd", fd >= 0));
 
-  ev_start ((W)w, 1);
+  ev_start (EV_A_ (W)w, 1);
   array_needsize (anfds, anfdmax, fd + 1, anfds_init);
   wlist_add ((WL *)&anfds[fd].head, (WL)w);
 
-  fd_change (fd);
+  fd_change (EV_A_ fd);
 }
 
 void
-ev_io_stop (struct ev_io *w)
+ev_io_stop (EV_P_ struct ev_io *w)
 {
-  ev_clear_pending ((W)w);
+  ev_clear_pending (EV_A_ (W)w);
   if (!ev_is_active (w))
     return;
 
   wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
-  ev_stop ((W)w);
+  ev_stop (EV_A_ (W)w);
 
-  fd_change (w->fd);
+  fd_change (EV_A_ w->fd);
 }
 
 void
-ev_timer_start (struct ev_timer *w)
+ev_timer_start (EV_P_ struct ev_timer *w)
 {
   if (ev_is_active (w))
     return;
 
-  w->at += now;
+  w->at += mn_now;
 
   assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
 
-  ev_start ((W)w, ++timercnt);
+  ev_start (EV_A_ (W)w, ++timercnt);
   array_needsize (timers, timermax, timercnt, );
   timers [timercnt - 1] = w;
   upheap ((WT *)timers, timercnt - 1);
 }
 
 void
-ev_timer_stop (struct ev_timer *w)
+ev_timer_stop (EV_P_ struct ev_timer *w)
 {
-  ev_clear_pending ((W)w);
+  ev_clear_pending (EV_A_ (W)w);
   if (!ev_is_active (w))
     return;
 
@@ -977,28 +1041,28 @@ ev_timer_stop (struct ev_timer *w)
 
   w->at = w->repeat;
 
-  ev_stop ((W)w);
+  ev_stop (EV_A_ (W)w);
 }
 
 void
-ev_timer_again (struct ev_timer *w)
+ev_timer_again (EV_P_ struct ev_timer *w)
 {
   if (ev_is_active (w))
     {
       if (w->repeat)
         {
-          w->at = now + w->repeat;
+          w->at = mn_now + w->repeat;
           downheap ((WT *)timers, timercnt, w->active - 1);
         }
       else
-        ev_timer_stop (w);
+        ev_timer_stop (EV_A_ w);
     }
   else if (w->repeat)
-    ev_timer_start (w);
+    ev_timer_start (EV_A_ w);
 }
 
 void
-ev_periodic_start (struct ev_periodic *w)
+ev_periodic_start (EV_P_ struct ev_periodic *w)
 {
   if (ev_is_active (w))
     return;
@@ -1007,18 +1071,18 @@ ev_periodic_start (struct ev_periodic *w)
 
   /* this formula differs from the one in periodic_reify because we do not always round up */
   if (w->interval)
-    w->at += ceil ((ev_now - w->at) / w->interval) * w->interval;
+    w->at += ceil ((rt_now - w->at) / w->interval) * w->interval;
 
-  ev_start ((W)w, ++periodiccnt);
+  ev_start (EV_A_ (W)w, ++periodiccnt);
   array_needsize (periodics, periodicmax, periodiccnt, );
   periodics [periodiccnt - 1] = w;
   upheap ((WT *)periodics, periodiccnt - 1);
 }
 
 void
-ev_periodic_stop (struct ev_periodic *w)
+ev_periodic_stop (EV_P_ struct ev_periodic *w)
 {
-  ev_clear_pending ((W)w);
+  ev_clear_pending (EV_A_ (W)w);
   if (!ev_is_active (w))
     return;
 
@@ -1028,7 +1092,7 @@ ev_periodic_stop (struct ev_periodic *w)
       downheap ((WT *)periodics, periodiccnt, w->active - 1);
     }
 
-  ev_stop ((W)w);
+  ev_stop (EV_A_ (W)w);
 }
 
 #ifndef SA_RESTART
@@ -1036,14 +1100,14 @@ ev_periodic_stop (struct ev_periodic *w)
 #endif
 
 void
-ev_signal_start (struct ev_signal *w)
+ev_signal_start (EV_P_ struct ev_signal *w)
 {
   if (ev_is_active (w))
     return;
 
   assert (("ev_signal_start called with illegal signal number", w->signum > 0));
 
-  ev_start ((W)w, 1);
+  ev_start (EV_A_ (W)w, 1);
   array_needsize (signals, signalmax, w->signum, signals_init);
   wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
 
@@ -1058,104 +1122,104 @@ ev_signal_start (struct ev_signal *w)
 }
 
 void
-ev_signal_stop (struct ev_signal *w)
+ev_signal_stop (EV_P_ struct ev_signal *w)
 {
-  ev_clear_pending ((W)w);
+  ev_clear_pending (EV_A_ (W)w);
   if (!ev_is_active (w))
     return;
 
   wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);
-  ev_stop ((W)w);
+  ev_stop (EV_A_ (W)w);
 
   if (!signals [w->signum - 1].head)
     signal (w->signum, SIG_DFL);
 }
 
 void
-ev_idle_start (struct ev_idle *w)
+ev_idle_start (EV_P_ struct ev_idle *w)
 {
   if (ev_is_active (w))
     return;
 
-  ev_start ((W)w, ++idlecnt);
+  ev_start (EV_A_ (W)w, ++idlecnt);
   array_needsize (idles, idlemax, idlecnt, );
   idles [idlecnt - 1] = w;
 }
 
 void
-ev_idle_stop (struct ev_idle *w)
+ev_idle_stop (EV_P_ struct ev_idle *w)
 {
-  ev_clear_pending ((W)w);
+  ev_clear_pending (EV_A_ (W)w);
   if (ev_is_active (w))
     return;
 
   idles [w->active - 1] = idles [--idlecnt];
-  ev_stop ((W)w);
+  ev_stop (EV_A_ (W)w);
 }
 
 void
-ev_prepare_start (struct ev_prepare *w)
+ev_prepare_start (EV_P_ struct ev_prepare *w)
 {
   if (ev_is_active (w))
     return;
 
-  ev_start ((W)w, ++preparecnt);
+  ev_start (EV_A_ (W)w, ++preparecnt);
   array_needsize (prepares, preparemax, preparecnt, );
   prepares [preparecnt - 1] = w;
 }
 
 void
-ev_prepare_stop (struct ev_prepare *w)
+ev_prepare_stop (EV_P_ struct ev_prepare *w)
 {
-  ev_clear_pending ((W)w);
+  ev_clear_pending (EV_A_ (W)w);
   if (ev_is_active (w))
     return;
 
   prepares [w->active - 1] = prepares [--preparecnt];
-  ev_stop ((W)w);
+  ev_stop (EV_A_ (W)w);
 }
 
 void
-ev_check_start (struct ev_check *w)
+ev_check_start (EV_P_ struct ev_check *w)
 {
   if (ev_is_active (w))
     return;
 
-  ev_start ((W)w, ++checkcnt);
+  ev_start (EV_A_ (W)w, ++checkcnt);
   array_needsize (checks, checkmax, checkcnt, );
   checks [checkcnt - 1] = w;
 }
 
 void
-ev_check_stop (struct ev_check *w)
+ev_check_stop (EV_P_ struct ev_check *w)
 {
-  ev_clear_pending ((W)w);
+  ev_clear_pending (EV_A_ (W)w);
   if (ev_is_active (w))
     return;
 
   checks [w->active - 1] = checks [--checkcnt];
-  ev_stop ((W)w);
+  ev_stop (EV_A_ (W)w);
 }
 
 void
-ev_child_start (struct ev_child *w)
+ev_child_start (EV_P_ struct ev_child *w)
 {
   if (ev_is_active (w))
     return;
 
-  ev_start ((W)w, 1);
+  ev_start (EV_A_ (W)w, 1);
   wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
 }
 
 void
-ev_child_stop (struct ev_child *w)
+ev_child_stop (EV_P_ struct ev_child *w)
 {
-  ev_clear_pending ((W)w);
+  ev_clear_pending (EV_A_ (W)w);
   if (ev_is_active (w))
     return;
 
   wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
-  ev_stop ((W)w);
+  ev_stop (EV_A_ (W)w);
 }
 
 /*****************************************************************************/
@@ -1169,32 +1233,32 @@ struct ev_once
 };
 
 static void
-once_cb (struct ev_once *once, int revents)
+once_cb (EV_P_ struct ev_once *once, int revents)
 {
   void (*cb)(int revents, void *arg) = once->cb;
   void *arg = once->arg;
 
-  ev_io_stop (&once->io);
-  ev_timer_stop (&once->to);
+  ev_io_stop (EV_A_ &once->io);
+  ev_timer_stop (EV_A_ &once->to);
   free (once);
 
   cb (revents, arg);
 }
 
 static void
-once_cb_io (struct ev_io *w, int revents)
+once_cb_io (EV_P_ struct ev_io *w, int revents)
 {
-  once_cb ((struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents);
+  once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents);
 }
 
 static void
-once_cb_to (struct ev_timer *w, int revents)
+once_cb_to (EV_P_ struct ev_timer *w, int revents)
 {
-  once_cb ((struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents);
+  once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents);
 }
 
 void
-ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)
+ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)
 {
   struct ev_once *once = malloc (sizeof (struct ev_once));
 
@@ -1209,14 +1273,14 @@ ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *ar
       if (fd >= 0)
         {
           ev_io_set (&once->io, fd, events);
-          ev_io_start (&once->io);
+          ev_io_start (EV_A_ &once->io);
         }
 
       ev_watcher_init (&once->to, once_cb_to);
       if (timeout >= 0.)
         {
           ev_timer_set (&once->to, timeout, 0.);
-          ev_timer_start (&once->to);
+          ev_timer_start (EV_A_ &once->to);
         }
     }
 }
diff --git a/ev.h b/ev.h
index bcb18e4..f8112b0 100644
--- a/ev.h
+++ b/ev.h
@@ -44,6 +44,11 @@ typedef double ev_tstamp;
 # define EV_MAXPRI +2
 #endif
 
+#define EV_P void
+#define EV_P_
+#define EV_A
+#define EV_A_
+
 /* eventmask, revents, events... */
 #define EV_UNDEF          -1 /* guaranteed to be invalid */
 #define EV_NONE         0x00
@@ -82,7 +87,7 @@ typedef double ev_tstamp;
   int pending; /* private */			\
   int priority; /* ro */			\
   EV_COMMON; /* rw */				\
-  void (*cb)(struct type *, int revents); /* rw */ /* gets invoked with an eventmask */
+  void (*cb)(EV_P_ struct type *, int revents); /* rw */ /* gets invoked with an eventmask */
 
 #define EV_WATCHER_LIST(type)			\
   EV_WATCHER (type);				\
@@ -187,8 +192,8 @@ struct ev_child
 #define EVMETHOD_PORT    32 /* NYI */
 #define EVMETHOD_ANY     ~0 /* any method, do not consult env */
 #if EV_PROTOTYPES
-extern int ev_method;
-int ev_init (int methods); /* returns ev_method */
+int ev_method (EV_P);
+int ev_init (EV_P_ int methods); /* returns ev_method */
 int ev_version_major (void);
 int ev_version_minor (void);
 
@@ -197,19 +202,28 @@ void ev_fork_prepare (void);
 void ev_fork_parent (void);
 void ev_fork_child (void);
 
-extern ev_tstamp ev_now; /* time w.r.t. timers and the eventloop, updated after each poll */
 ev_tstamp ev_time (void);
 #endif
 
 #define EVLOOP_NONBLOCK	1 /* do not block/wait */
 #define EVLOOP_ONESHOT	2 /* block *once* only */
 #if EV_PROTOTYPES
-void ev_loop (int flags);
-extern int ev_loop_done; /* set to 1 to break out of event loop, set to 2 to break out of all event loops */
+void ev_loop (EV_P_ int flags);
+void ev_unloop (EV_P_ int status); /* set to 1 to break out of event loop, set to 2 to break out of all event loops */
+
+ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
+
+/*
+ * ref/unref can be used to add or remove a refcount on the mainloop. every watcher
+ * keeps one reference. if you have a long-runing watcher you never unregister that
+ * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
+ */
+void ev_ref   (EV_P);
+void ev_unref (EV_P);
 
 /* convinience function, wait for a single event, without registering an event watcher */
 /* if timeout is < 0, do wait indefinitely */
-void ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
+void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
 #endif
 
 /* these may evaluate ev multiple times, and the other arguments at most once */
@@ -240,30 +254,30 @@ void ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, voi
 /* stopping (enabling, adding) a watcher does nothing if it is already running */
 /* stopping (disabling, deleting) a watcher does nothing unless its already running */
 #if EV_PROTOTYPES
-void ev_io_start       (struct ev_io *w);
-void ev_io_stop        (struct ev_io *w);
+void ev_io_start       (EV_P_ struct ev_io *w);
+void ev_io_stop        (EV_P_ struct ev_io *w);
 
-void ev_timer_start    (struct ev_timer *w);
-void ev_timer_stop     (struct ev_timer *w);
-void ev_timer_again    (struct ev_timer *w); /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
+void ev_timer_start    (EV_P_ struct ev_timer *w);
+void ev_timer_stop     (EV_P_ struct ev_timer *w);
+void ev_timer_again    (EV_P_ struct ev_timer *w); /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
 
-void ev_periodic_start (struct ev_periodic *w);
-void ev_periodic_stop  (struct ev_periodic *w);
+void ev_periodic_start (EV_P_ struct ev_periodic *w);
+void ev_periodic_stop  (EV_P_ struct ev_periodic *w);
 
-void ev_signal_start   (struct ev_signal *w);
-void ev_signal_stop    (struct ev_signal *w);
+void ev_signal_start   (EV_P_ struct ev_signal *w);
+void ev_signal_stop    (EV_P_ struct ev_signal *w);
 
-void ev_idle_start     (struct ev_idle *w);
-void ev_idle_stop      (struct ev_idle *w);
+void ev_idle_start     (EV_P_ struct ev_idle *w);
+void ev_idle_stop      (EV_P_ struct ev_idle *w);
 
-void ev_prepare_start  (struct ev_prepare *w);
-void ev_prepare_stop   (struct ev_prepare *w);
+void ev_prepare_start  (EV_P_ struct ev_prepare *w);
+void ev_prepare_stop   (EV_P_ struct ev_prepare *w);
 
-void ev_check_start    (struct ev_check *w);
-void ev_check_stop     (struct ev_check *w);
+void ev_check_start    (EV_P_ struct ev_check *w);
+void ev_check_stop     (EV_P_ struct ev_check *w);
 
-void ev_child_start    (struct ev_child *w);
-void ev_child_stop     (struct ev_child *w);
+void ev_child_start    (EV_P_ struct ev_child *w);
+void ev_child_stop     (EV_P_ struct ev_child *w);
 #endif
 
 #ifdef __cplusplus
diff --git a/ev_epoll.c b/ev_epoll.c
index a7918af..30d1b25 100644
--- a/ev_epoll.c
+++ b/ev_epoll.c
@@ -31,10 +31,8 @@
 
 #include <sys/epoll.h>
 
-static int epoll_fd = -1;
-
 static void
-epoll_modify (int fd, int oev, int nev)
+epoll_modify (EV_P_ int fd, int oev, int nev)
 {
   int mode = nev ? oev ? EPOLL_CTL_MOD : EPOLL_CTL_ADD : EPOLL_CTL_DEL;
 
@@ -48,7 +46,7 @@ epoll_modify (int fd, int oev, int nev)
 }
 
 static void
-epoll_postfork_child (void)
+epoll_postfork_child (EV_P)
 {
   int fd;
 
@@ -58,14 +56,11 @@ epoll_postfork_child (void)
   /* re-register interest in fds */
   for (fd = 0; fd < anfdmax; ++fd)
     if (anfds [fd].events)//D
-      epoll_modify (fd, EV_NONE, anfds [fd].events);
+      epoll_modify (EV_A_ fd, EV_NONE, anfds [fd].events);
 }
 
-static struct epoll_event *events;
-static int eventmax;
-
 static void
-epoll_poll (ev_tstamp timeout)
+epoll_poll (EV_P_ ev_tstamp timeout)
 {
   int eventcnt = epoll_wait (epoll_fd, events, eventmax, ceil (timeout * 1000.));
   int i;
@@ -75,6 +70,7 @@ epoll_poll (ev_tstamp timeout)
 
   for (i = 0; i < eventcnt; ++i)
     fd_event (
+      EV_A_
       events [i].data.u64,
       (events [i].events & (EPOLLOUT | EPOLLERR | EPOLLHUP) ? EV_WRITE : 0)
       | (events [i].events & (EPOLLIN | EPOLLERR | EPOLLHUP) ? EV_READ : 0)
@@ -89,22 +85,23 @@ epoll_poll (ev_tstamp timeout)
     }
 }
 
-static void
-epoll_init (int flags)
+static int
+epoll_init (EV_P_ int flags)
 {
   epoll_fd = epoll_create (256);
 
   if (epoll_fd < 0)
-    return;
+    return 0;
 
   fcntl (epoll_fd, F_SETFD, FD_CLOEXEC);
 
-  ev_method     = EVMETHOD_EPOLL;
   method_fudge  = 1e-3; /* needed to compensate for epoll returning early */
   method_modify = epoll_modify;
   method_poll   = epoll_poll;
 
   eventmax = 64; /* intiial number of events receivable per poll */
   events = malloc (sizeof (struct epoll_event) * eventmax);
+
+  return EVMETHOD_EPOLL;
 }
 
diff --git a/ev_kqueue.c b/ev_kqueue.c
index 4bbcf39..8282fea 100644
--- a/ev_kqueue.c
+++ b/ev_kqueue.c
@@ -34,20 +34,14 @@
 #include <string.h>
 #include <errno.h>
 
-static int kq_fd;
-static struct kevent *kq_changes;
-static int kq_changemax, kq_changecnt;
-static struct kevent *kq_events;
-static int kq_eventmax;
-
 static void
-kqueue_change (int fd, int filter, int flags, int fflags)
+kqueue_change (EV_P_ int fd, int filter, int flags, int fflags)
 {
   struct kevent *ke;
 
-  array_needsize (kq_changes, kq_changemax, ++kq_changecnt, );
+  array_needsize (kqueue_changes, kqueue_changemax, ++kqueue_changecnt, );
 
-  ke = &kq_changes [kq_changecnt - 1];
+  ke = &kqueue_changes [kqueue_changecnt - 1];
   memset (ke, 0, sizeof (struct kevent));
   ke->ident  = fd;
   ke->filter = filter;
@@ -60,7 +54,7 @@ kqueue_change (int fd, int filter, int flags, int fflags)
 #endif
 
 static void
-kqueue_modify (int fd, int oev, int nev)
+kqueue_modify (EV_P_ int fd, int oev, int nev)
 {
   if ((oev ^ nev) & EV_READ)
     {
@@ -80,22 +74,22 @@ kqueue_modify (int fd, int oev, int nev)
 }
 
 static void
-kqueue_poll (ev_tstamp timeout)
+kqueue_poll (EV_P_ ev_tstamp timeout)
 {
   int res, i;
   struct timespec ts;
 
   ts.tv_sec  = (time_t)timeout;
   ts.tv_nsec = (long)(timeout - (ev_tstamp)ts.tv_sec) * 1e9;
-  res = kevent (kq_fd, kq_changes, kq_changecnt, kq_events, kq_eventmax, &ts);
-  kq_changecnt = 0;
+  res = kevent (kqueue_fd, kqueue_changes, kqueue_changecnt, kqueue_events, kqueue_eventmax, &ts);
+  kqueue_changecnt = 0;
 
   if (res < 0)
     return;
 
   for (i = 0; i < res; ++i)
     {
-      if (kq_events [i].flags & EV_ERROR)
+      if (kqueue_events [i].flags & EV_ERROR)
         {
           /* 
            * Error messages that can happen, when a delete fails.
@@ -109,34 +103,35 @@ kqueue_poll (ev_tstamp timeout)
            * an event we are still processing.  In that case
            * the data field is set to ENOENT.
            */
-          if (kq_events [i].data == EBADF)
-            fd_kill (kq_events [i].ident);
+          if (kqueue_events [i].data == EBADF)
+            fd_kill (EV_A_ kqueue_events [i].ident);
         }
       else
         fd_event (
-          kq_events [i].ident,
-          kq_events [i].filter == EVFILT_READ ? EV_READ
-          : kq_events [i].filter == EVFILT_WRITE ? EV_WRITE
+          EV_A_
+          kqueue_events [i].ident,
+          kqueue_events [i].filter == EVFILT_READ ? EV_READ
+          : kqueue_events [i].filter == EVFILT_WRITE ? EV_WRITE
           : 0
         );
     }
 
-  if (expect_false (res == kq_eventmax))
+  if (expect_false (res == kqueue_eventmax))
     {
-      free (kq_events);
-      kq_eventmax = array_roundsize (kq_events, kq_eventmax << 1);
-      kq_events = malloc (sizeof (struct kevent) * kq_eventmax);
+      free (kqueue_events);
+      kqueue_eventmax = array_roundsize (kqueue_events, kqueue_eventmax << 1);
+      kqueue_events = malloc (sizeof (struct kevent) * kqueue_eventmax);
     }
 }
 
-static void
-kqueue_init (int flags)
+static int
+kqueue_init (EV_P_ int flags)
 {
   struct kevent ch, ev;
 
   /* Initalize the kernel queue */
-  if ((kq_fd = kqueue ()) < 0)
-    return;
+  if ((kqueue_fd = kqueue ()) < 0)
+    return 0;
 
   /* Check for Mac OS X kqueue bug. */
   ch.ident  = -1;
@@ -148,21 +143,22 @@ kqueue_init (int flags)
    * stick an error in ev. If kqueue is broken, then
    * kevent will fail.
    */
-  if (kevent (kq_fd, &ch, 1, &ev, 1, 0) != 1
+  if (kevent (kqueue_fd, &ch, 1, &ev, 1, 0) != 1
       || ev.ident != -1
       || ev.flags != EV_ERROR)
     {
       /* detected broken kqueue */
-      close (kq_fd);
-      return;
+      close (kqueue_fd);
+      return 0;
     }
 
-  ev_method     = EVMETHOD_KQUEUE;
   method_fudge  = 1e-3; /* needed to compensate for kevent returning early */
   method_modify = kqueue_modify;
   method_poll   = kqueue_poll;
 
-  kq_eventmax = 64; /* intiial number of events receivable per poll */
-  kq_events = malloc (sizeof (struct kevent) * kq_eventmax);
+  kqueue_eventmax = 64; /* intiial number of events receivable per poll */
+  kqueue_events = malloc (sizeof (struct kevent) * kqueue_eventmax);
+
+  return EVMETHOD_KQUEUE;
 }
 
diff --git a/ev_poll.c b/ev_poll.c
index 0af63f3..07b1f5c 100644
--- a/ev_poll.c
+++ b/ev_poll.c
@@ -31,11 +31,6 @@
 
 #include <poll.h>
 
-static struct pollfd *polls;
-static int pollmax, pollcnt;
-static int *pollidxs; /* maps fds into structure indices */
-static int pollidxmax;
-
 static void
 pollidx_init (int *base, int count)
 {
@@ -44,7 +39,7 @@ pollidx_init (int *base, int count)
 }
 
 static void
-poll_modify (int fd, int oev, int nev)
+poll_modify (EV_P_ int fd, int oev, int nev)
 {
   int idx;
   array_needsize (pollidxs, pollidxmax, fd + 1, pollidx_init);
@@ -74,7 +69,7 @@ poll_modify (int fd, int oev, int nev)
 }
 
 static void
-poll_poll (ev_tstamp timeout)
+poll_poll (EV_P_ ev_tstamp timeout)
 {
   int res = poll (polls, pollcnt, ceil (timeout * 1000.));
 
@@ -84,6 +79,7 @@ poll_poll (ev_tstamp timeout)
 
       for (i = 0; i < pollcnt; ++i)
         fd_event (
+          EV_A_
           polls [i].fd,
           (polls [i].revents & (POLLOUT | POLLERR | POLLHUP) ? EV_WRITE : 0)
           | (polls [i].revents & (POLLIN | POLLERR | POLLHUP) ? EV_READ : 0)
@@ -92,17 +88,18 @@ poll_poll (ev_tstamp timeout)
   else if (res < 0)
     {
       if (errno == EBADF)
-        fd_ebadf ();
+        fd_ebadf (EV_A);
       else if (errno == ENOMEM)
-        fd_enomem ();
+        fd_enomem (EV_A);
     }
 }
 
-static void
-poll_init (int flags)
+static int
+poll_init (EV_P_ int flags)
 {
-  ev_method     = EVMETHOD_POLL;
   method_fudge  = 1e-3; /* needed to compensate for select returning early, very conservative */
   method_modify = poll_modify;
   method_poll   = poll_poll;
+
+  return EVMETHOD_POLL;
 }
diff --git a/ev_select.c b/ev_select.c
index a0db3b6..05dc30a 100644
--- a/ev_select.c
+++ b/ev_select.c
@@ -42,11 +42,8 @@
 #include <string.h>
 #include <inttypes.h>
 
-static unsigned char *vec_ri, *vec_ro, *vec_wi, *vec_wo;
-static int vec_max;
-
 static void
-select_modify (int fd, int oev, int nev)
+select_modify (EV_P_ int fd, int oev, int nev)
 {
   int offs = fd >> 3;
   int mask = 1 << (fd & 7);
@@ -75,7 +72,7 @@ select_modify (int fd, int oev, int nev)
 }
 
 static void
-select_poll (ev_tstamp timeout)
+select_poll (EV_P_ ev_tstamp timeout)
 {
   struct timeval tv;
   int res;
@@ -124,12 +121,13 @@ select_poll (ev_tstamp timeout)
     }
 }
 
-static void
-select_init (int flags)
+static int
+select_init (EV_P_ int flags)
 {
-  ev_method     = EVMETHOD_SELECT;
   method_fudge  = 1e-2; /* needed to compensate for select returning early, very conservative */
   method_modify = select_modify;
   method_poll   = select_poll;
+
+  return EVMETHOD_SELECT;
 }
 
diff --git a/event.c b/event.c
index 904bd62..b1c335e 100644
--- a/event.c
+++ b/event.c
@@ -35,13 +35,14 @@
 
 #include "event.h"
 
+#define dLOOPev
+#define dLOOPbase
+
 struct event_base
 {
   int dummy;
 };
 
-static int x_actives;
-
 static struct event_base x_base, *x_cur;
 
 static void
@@ -110,50 +111,33 @@ int event_loopexit (struct timeval *tv)
 static void
 x_cb (struct event *ev, int revents)
 {
-  if (ev->ev_events & EV_SIGNAL)
-    {
-      /* sig */
-      if (ev_is_active (&ev->iosig.sig))
-        {
-          ev_signal_stop (&ev->iosig.sig);
-          --x_actives;
-        }
-    }
-  else
-    {
-       /* io */
-      if (!(ev->ev_events & EV_PERSIST) && ev_is_active (&ev->iosig.io))
-        {
-          ev_io_stop (&ev->iosig.io);
-          --x_actives;
-        }
-    }
-
   revents &= EV_READ | EV_WRITE | EV_TIMEOUT | EV_SIGNAL;
 
-  if (revents & EV_TIMEOUT)
-    --x_actives;
-
   ev->ev_res = revents;
   ev->ev_callback (ev->ev_fd, revents, ev->ev_arg);
 }
 
 static void
-x_cb_io (struct ev_io *w, int revents)
+x_cb_sig (EV_P_ struct ev_signal *w, int revents)
 {
-  x_cb ((struct event *)(((char *)w) - offsetof (struct event, iosig.io)), revents);
+  x_cb ((struct event *)(((char *)w) - offsetof (struct event, iosig.sig)), revents);
 }
 
 static void
-x_cb_to (struct ev_timer *w, int revents)
+x_cb_io (EV_P_ struct ev_io *w, int revents)
 {
-  x_cb ((struct event *)(((char *)w) - offsetof (struct event, to)), revents);
+  struct event *ev = (struct event *)(((char *)w) - offsetof (struct event, iosig.io));
+
+  if (!(ev->ev_events & EV_PERSIST) && ev_is_active (w))
+    ev_io_stop (w);
+
+  x_cb (ev, revents);
 }
 
 static void
-x_cb_sig (struct ev_signal *w, int revents)
+x_cb_to (EV_P_ struct ev_timer *w, int revents)
 {
-  x_cb ((struct event *)(((char *)w) - offsetof (struct event, iosig.sig)), revents);
+  x_cb ((struct event *)(((char *)w) - offsetof (struct event, to)), revents);
 }
 
 void event_set (struct event *ev, int fd, short events, void (*cb)(int, short, void *), void *arg)
@@ -181,27 +165,26 @@ int event_once (int fd, short events, void (*cb)(int, short, void *), void *arg,
 
 int event_add (struct event *ev, struct timeval *tv)
 {
+  dLOOPev;
+
   /* disable all watchers */
   event_del (ev);
 
   if (ev->ev_events & EV_SIGNAL)
     {
       ev_signal_set (&ev->iosig.sig, ev->ev_fd);
-      ev_signal_start (&ev->iosig.sig);
-      ++x_actives;
+      ev_signal_start (EV_A_ &ev->iosig.sig);
     }
   else if (ev->ev_events & (EV_READ | EV_WRITE))
     {
       ev_io_set (&ev->iosig.io, ev->ev_fd, ev->ev_events & (EV_READ | EV_WRITE));
-      ev_io_start (&ev->iosig.io);
-      ++x_actives;
+      ev_io_start (EV_A_ &ev->iosig.io);
     }
 
   if (tv)
     {
       ev_timer_set (&ev->to, tv_get (tv), 0.);
-      ev_timer_start (&ev->to);
-      ++x_actives;
+      ev_timer_start (EV_A_ &ev->to);
     }
 
   return 0;
@@ -209,36 +192,31 @@ int event_add (struct event *ev, struct timeval *tv)
 
 int event_del (struct event *ev)
 {
+  dLOOPev;
+
   if (ev->ev_events & EV_SIGNAL)
     {
       /* sig */
       if (ev_is_active (&ev->iosig.sig))
-        {
-          ev_signal_stop (&ev->iosig.sig);
-          --x_actives;
-        }
+        ev_signal_stop (EV_A_ &ev->iosig.sig);
     }
   else
     {
       /* io */
       if (ev_is_active (&ev->iosig.io))
-        {
-          ev_io_stop (&ev->iosig.io);
-          --x_actives;
-        }
+        ev_io_stop (EV_A_ &ev->iosig.io);
     }
 
   if (ev_is_active (&ev->to))
-    {
-      ev_timer_stop (&ev->to);
-      --x_actives;
-    }
+    ev_timer_stop (EV_A_ &ev->to);
 
   return 0;
 }
 
 int event_pending (struct event *ev, short events, struct timeval *tv)
 {
+  dLOOPev;
+
   short revents = 0;
 
   if (ev->ev_events & EV_SIGNAL)
@@ -259,7 +237,7 @@ int event_pending (struct event *ev, short events, struct timeval *tv)
       revents |= EV_TIMEOUT;
 
       if (tv)
-        tv_set (tv, ev_now); /* not sure if this is right :) */
+        tv_set (tv, ev_now (EV_A)); /* not sure if this is right :) */
     }
 
   return events & revents;
@@ -286,11 +264,8 @@ int event_base_set (struct event_base *base, struct event *ev)
 
 int event_base_loop (struct event_base *base, int flags)
 {
-  do
-    {
-      ev_loop (flags | EVLOOP_ONESHOT);
-    }
-  while (!(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) && x_actives && !ev_loop_done);
+  dLOOPbase;
+  ev_loop (EV_A_ flags | EVLOOP_ONESHOT);
 
   return 0;
 }
@@ -301,16 +276,17 @@ int event_base_dispatch (struct event_base *base)
 }
 
 static void
-x_loopexit_cb (int revents, void *arg)
+x_loopexit_cb (EV_P_ int revents, void *arg)
 {
-  ev_loop_done = 2;
+  ev_unloop (EV_A_ 2);
 }
 
 int event_base_loopexit (struct event_base *base, struct timeval *tv)
 {
+  dLOOPbase;
   ev_tstamp after = tv_get (tv);
 
-  ev_once (-1, 0, after >= 0. ? after : 0., x_loopexit_cb, (void *)base);
+  ev_once (EV_A_ -1, 0, after >= 0. ? after : 0., x_loopexit_cb, (void *)base);
 
   return -1;
 }
@@ -333,6 +309,7 @@ x_once_cb (int revents, void *arg)
 
 int event_base_once (struct event_base *base, int fd, short events, void (*cb)(int, short, void *), void *arg, struct timeval *tv)
 {
+  dLOOPbase;
   struct x_once *once = malloc (sizeof (struct x_once));
 
   if (!once)
@@ -342,13 +319,15 @@ int event_base_once (struct event_base *base, int fd, short events, void (*cb)(i
   once->cb  = cb;
   once->arg = arg;
 
-  ev_once (fd, events & (EV_READ | EV_WRITE), tv_get (tv), x_once_cb, (void *)once);
+  ev_once (EV_A_ fd, events & (EV_READ | EV_WRITE), tv_get (tv), x_once_cb, (void *)once);
 
   return 0;
 }
 
 int event_base_priority_init (struct event_base *base, int npri)
 {
+  dLOOPbase;
+
   return 0;
 }