prepare for multiple bases

[software/libev.git] / ev.c

diff --git a/ev.c b/ev.c
index 7995b34005258fadf4a96db371db620f17a8f822..f813e58ae9dcbff1d4e5ae5e3503f95ff0c3dcd3 100644 (file)
--- a/ev.c
+++ b/ev.c
@@ -28,7 +28,7 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */

-#if EV_USE_CONFIG_H
+#ifndef EV_STANDALONE

 # include "config.h"
 #endif
 
 # include "config.h"
 #endif
 


@@ -44,55 +44,119 @@
 #include <assert.h>
 #include <errno.h>
 #include <sys/types.h>
 #include <assert.h>
 #include <errno.h>
 #include <sys/types.h>

-#include <sys/wait.h>
+#ifndef WIN32
+# include <sys/wait.h>
+#endif

 #include <sys/time.h>
 #include <time.h>
 
 #include <sys/time.h>
 #include <time.h>
 

+/**/
+

 #ifndef EV_USE_MONOTONIC
 #ifndef EV_USE_MONOTONIC

-# ifdef CLOCK_MONOTONIC
-#  define EV_USE_MONOTONIC 1
-# endif
+# define EV_USE_MONOTONIC 1

 #endif
 
 #ifndef EV_USE_SELECT
 # define EV_USE_SELECT 1
 #endif
 
 #endif
 
 #ifndef EV_USE_SELECT
 # define EV_USE_SELECT 1
 #endif
 

+#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
 # define EV_USE_EPOLL 0
 #endif
 
 #ifndef EV_USE_EPOLL
 # define EV_USE_EPOLL 0
 #endif
 

-#ifndef CLOCK_REALTIME
-# define EV_USE_REALTIME 0
+#ifndef EV_USE_KQUEUE
+# define EV_USE_KQUEUE 0

 #endif
 #endif

+

 #ifndef EV_USE_REALTIME
 #ifndef EV_USE_REALTIME

-# define EV_USE_REALTIME 1 /* posix requirement, but might be slower */
+# define EV_USE_REALTIME 1
+#endif
+
+/**/
+
+#ifndef CLOCK_MONOTONIC
+# undef EV_USE_MONOTONIC
+# define EV_USE_MONOTONIC 0

 #endif
 
 #endif
 

+#ifndef CLOCK_REALTIME
+# undef EV_USE_REALTIME
+# define EV_USE_REALTIME 0
+#endif
+
+/**/
+

 #define MIN_TIMEJUMP  1. /* minimum timejump that gets detected (if monotonic clock available) */
 #define MIN_TIMEJUMP  1. /* minimum timejump that gets detected (if monotonic clock available) */

-#define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detetc time jumps) */
+#define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */

 #define PID_HASHSIZE  16 /* size of pid hash table, must be power of two */
 #define PID_HASHSIZE  16 /* size of pid hash table, must be power of two */

-#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */
+/*#define CLEANUP_INTERVAL 300. /* how often to try to free memory and re-check fds */

 
 #include "ev.h"
 
 
 #include "ev.h"
 

+#if __GNUC__ >= 3
+# define expect(expr,value)         __builtin_expect ((expr),(value))
+# define inline                     inline
+#else
+# define expect(expr,value)         (expr)
+# define inline                     static
+#endif
+
+#define expect_false(expr) expect ((expr) != 0, 0)
+#define expect_true(expr)  expect ((expr) != 0, 1)
+
+#define NUMPRI    (EV_MAXPRI - EV_MINPRI + 1)
+#define ABSPRI(w) ((w)->priority - EV_MINPRI)
+

 typedef struct ev_watcher *W;
 typedef struct ev_watcher_list *WL;
 typedef struct ev_watcher_time *WT;
 
 typedef struct ev_watcher *W;
 typedef struct ev_watcher_list *WL;
 typedef struct ev_watcher_time *WT;
 

-static ev_tstamp 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 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
 ev_time (void)
 {
 #if EV_USE_REALTIME


@@ -106,11 +170,11 @@ ev_time (void)
 #endif
 }
 
 #endif
 }
 

-static ev_tstamp
+inline ev_tstamp

 get_clock (void)
 {
 #if EV_USE_MONOTONIC
 get_clock (void)
 {
 #if EV_USE_MONOTONIC

-  if (have_monotonic)
+  if (expect_true (have_monotonic))

     {
       struct timespec ts;
       clock_gettime (CLOCK_MONOTONIC, &ts);
     {
       struct timespec ts;
       clock_gettime (CLOCK_MONOTONIC, &ts);


@@ -121,10 +185,16 @@ get_clock (void)
   return ev_time ();
 }
 
   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)              \
 #define array_roundsize(base,n) ((n) | 4 & ~3)
 
 #define array_needsize(base,cur,cnt,init)              \

-  if ((cnt) > cur)                                     \
+  if (expect_false ((cnt) > cur))                      \

     {                                                  \
       int newcnt = cur;                                        \
       do                                               \
     {                                                  \
       int newcnt = cur;                                        \
       do                                               \


@@ -142,7 +212,7 @@ get_clock (void)
 
 typedef struct
 {
 
 typedef struct
 {

-  struct ev_io *head;
+  struct ev_watcher_list *head;

   unsigned char events;
   unsigned char reify;
 } ANFD;
   unsigned char events;
   unsigned char reify;
 } ANFD;


@@ -169,45 +239,45 @@ typedef struct
   int events;
 } ANPENDING;
 
   int events;
 } ANPENDING;
 

-static ANPENDING *pendings;
-static int pendingmax, pendingcnt;
+static ANPENDING *pendings [NUMPRI];
+static int pendingmax [NUMPRI], pendingcnt [NUMPRI];

 
 static void
 
 static void

-event (W w, int events)
+event (EV_P_ W w, int events)

 {
   if (w->pending)
     {
 {
   if (w->pending)
     {

-      pendings [w->pending - 1].events |= events;
+      pendings [ABSPRI (w)][w->pending - 1].events |= events;

       return;
     }
 
       return;
     }
 

-  w->pending = ++pendingcnt;
-  array_needsize (pendings, pendingmax, pendingcnt, );
-  pendings [pendingcnt - 1].w      = w;
-  pendings [pendingcnt - 1].events = events;
+  w->pending = ++pendingcnt [ABSPRI (w)];
+  array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], );
+  pendings [ABSPRI (w)][w->pending - 1].w      = w;
+  pendings [ABSPRI (w)][w->pending - 1].events = events;

 }
 
 static void
 }
 
 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)
 {
   int i;
 
   for (i = 0; i < eventcnt; ++i)

-    event (events [i], type);
+    event (EV_A_ events [i], type);

 }
 
 static void
 }
 
 static void

-fd_event (int fd, int events)
+fd_event (EV_P_ int fd, int events)

 {
   ANFD *anfd = anfds + fd;
   struct ev_io *w;
 
 {
   ANFD *anfd = anfds + fd;
   struct ev_io *w;
 

-  for (w = anfd->head; w; w = w->next)
+  for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next)

     {
       int ev = w->events & events;
 
       if (ev)
     {
       int ev = w->events & events;
 
       if (ev)

-        event ((W)w, ev);
+        event (EV_A_ (W)w, ev);

     }
 }
 
     }
 }
 


@@ -217,7 +287,7 @@ static int *fdchanges;
 static int fdchangemax, fdchangecnt;
 
 static void
 static int fdchangemax, fdchangecnt;
 
 static void

-fd_reify (void)
+fd_reify (EV_P)

 {
   int i;
 
 {
   int i;
 


@@ -229,14 +299,14 @@ fd_reify (void)
 
       int events = 0;
 
 
       int events = 0;
 

-      for (w = anfd->head; w; w = w->next)
+      for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next)

         events |= w->events;
 
       anfd->reify = 0;
 
       if (anfd->events != events)
         {
         events |= w->events;
 
       anfd->reify = 0;
 
       if (anfd->events != events)
         {

-          method_modify (fd, anfd->events, events);
+          method_modify (EV_A_ fd, anfd->events, events);

           anfd->events = events;
         }
     }
           anfd->events = events;
         }
     }


@@ -245,7 +315,7 @@ fd_reify (void)
 }
 
 static void
 }
 
 static void

-fd_change (int fd)
+fd_change (EV_P_ int fd)

 {
   if (anfds [fd].reify || fdchangecnt < 0)
     return;
 {
   if (anfds [fd].reify || fdchangecnt < 0)
     return;


@@ -257,20 +327,43 @@ fd_change (int fd)
   fdchanges [fdchangecnt - 1] = fd;
 }
 
   fdchanges [fdchangecnt - 1] = fd;
 }
 

+static void
+fd_kill (EV_P_ int fd)
+{
+  struct ev_io *w;
+
+  while ((w = (struct ev_io *)anfds [fd].head))
+    {
+      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
 /* called on EBADF to verify fds */
 static void

-fd_recheck (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)
 {
   int fd;
 
   for (fd = 0; fd < anfdmax; ++fd)
     if (anfds [fd].events)
       if (fcntl (fd, F_GETFD) == -1 && errno == EBADF)

-        while (anfds [fd].head)
-          {
-            ev_io_stop (anfds [fd].head);
-            event ((W)anfds [fd].head, EV_ERROR | EV_READ | EV_WRITE);
-          }
+        fd_kill (EV_A_ fd);
+}
+
+/* called on ENOMEM in select/poll to kill some fds and retry */
+static void
+fd_enomem (EV_P)
+{
+  int fd = anfdmax;
+
+  while (fd--)
+    if (anfds [fd].events)
+      {
+        close (fd);
+        fd_kill (EV_A_ fd);
+        return;
+      }

 }
 
 /*****************************************************************************/
 }
 
 /*****************************************************************************/


@@ -326,7 +419,7 @@ downheap (WT *timers, int N, int k)
 
 typedef struct
 {
 
 typedef struct
 {

-  struct ev_signal *head;
+  struct ev_watcher_list *head;

   sig_atomic_t volatile gotsig;
 } ANSIG;
 
   sig_atomic_t volatile gotsig;
 } ANSIG;
 


@@ -356,39 +449,43 @@ sighandler (int signum)
 
   if (!gotsig)
     {
 
   if (!gotsig)
     {

+      int old_errno = errno;

       gotsig = 1;
       write (sigpipe [1], &signum, 1);
       gotsig = 1;
       write (sigpipe [1], &signum, 1);

+      errno = old_errno;

     }
 }
 
 static void
     }
 }
 
 static void

-sigcb (struct ev_io *iow, int revents)
+sigcb (EV_P_ struct ev_io *iow, int revents)

 {
 {

-  struct ev_signal *w;
-  int sig;
+  struct ev_watcher_list *w;
+  int signum;

 
   read (sigpipe [0], &revents, 1);
   gotsig = 0;
 
 
   read (sigpipe [0], &revents, 1);
   gotsig = 0;
 

-  for (sig = signalmax; sig--; )
-    if (signals [sig].gotsig)
+  for (signum = signalmax; signum--; )
+    if (signals [signum].gotsig)

       {
       {

-        signals [sig].gotsig = 0;
+        signals [signum].gotsig = 0;

 
 

-        for (w = signals [sig].head; w; w = w->next)
-          event ((W)w, EV_SIGNAL);
+        for (w = signals [signum].head; w; w = w->next)
+          event (EV_A_ (W)w, EV_SIGNAL);

       }
 }
 
 static void
       }
 }
 
 static void

-siginit (void)
+siginit (EV_P)

 {
 {

+#ifndef WIN32

   fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);
   fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
 
   /* rather than sort out wether we really need nb, set it */
   fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
   fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
   fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);
   fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
 
   /* rather than sort out wether we really need nb, set it */
   fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
   fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);

+#endif

 
   ev_io_set (&sigev, sigpipe [0], EV_READ);
   ev_io_start (&sigev);
 
   ev_io_set (&sigev, sigpipe [0], EV_READ);
   ev_io_start (&sigev);


@@ -410,30 +507,55 @@ static int checkmax, checkcnt;
 static struct ev_child *childs [PID_HASHSIZE];
 static struct ev_signal childev;
 
 static struct ev_child *childs [PID_HASHSIZE];
 static struct ev_signal childev;
 

+#ifndef WIN32
+

 #ifndef WCONTINUED
 # define WCONTINUED 0
 #endif
 
 static void
 #ifndef WCONTINUED
 # define WCONTINUED 0
 #endif
 
 static void

-childcb (struct ev_signal *sw, int revents)
+child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status)

 {
   struct ev_child *w;
 {
   struct ev_child *w;

+
+  for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next)
+    if (w->pid == pid || !w->pid)
+      {
+        w->priority = sw->priority; /* need to do it *now* */
+        w->rpid     = pid;
+        w->rstatus  = status;
+        event (EV_A_ (W)w, EV_CHILD);
+      }
+}
+
+static void
+childcb (EV_P_ struct ev_signal *sw, int revents)
+{

   int pid, status;
 
   int pid, status;
 

-  while ((pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED)) != -1)
-    for (w = childs [pid & (PID_HASHSIZE - 1)]; w; w = w->next)
-      if (w->pid == pid || w->pid == -1)
-        {
-          w->status = status;
-          event ((W)w, EV_CHILD);
-        }
+  if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED)))
+    {
+      /* make sure we are called again until all childs have been reaped */
+      event (EV_A_ (W)sw, EV_SIGNAL);
+
+      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 */
+    }

 }
 
 }
 

+#endif
+

 /*****************************************************************************/
 
 /*****************************************************************************/
 

+#if EV_USE_KQUEUE
+# include "ev_kqueue.c"
+#endif

 #if EV_USE_EPOLL
 # include "ev_epoll.c"
 #endif
 #if EV_USE_EPOLL
 # include "ev_epoll.c"
 #endif

+#if EV_USEV_POLL
+# include "ev_poll.c"
+#endif

 #if EV_USE_SELECT
 # include "ev_select.c"
 #endif
 #if EV_USE_SELECT
 # include "ev_select.c"
 #endif


@@ -450,9 +572,28 @@ ev_version_minor (void)
   return EV_VERSION_MINOR;
 }
 
   return EV_VERSION_MINOR;
 }
 

-int ev_init (int flags)
+/* return true if we are running with elevated privileges and should ignore env variables */
+static int
+enable_secure (void)

 {
 {

-  if (!ev_method)
+#ifdef WIN32
+  return 0;
+#else
+  return getuid () != geteuid ()
+      || getgid () != getegid ();
+#endif
+}
+
+int
+ev_method (EV_P)
+{
+  return method;
+}
+
+int
+ev_init (EV_P_ int methods)
+{
+  if (!method)

     {
 #if EV_USE_MONOTONIC
       {
     {
 #if EV_USE_MONOTONIC
       {


@@ -462,32 +603,49 @@ int ev_init (int flags)
       }
 #endif
 
       }
 #endif
 

-      ev_now = ev_time ();
-      now    = get_clock ();
-      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 (pipe (sigpipe))
         return 0;
 

-      ev_method = EVMETHOD_NONE;
+      if (methods == EVMETHOD_AUTO)
+        if (!enable_secure () && getenv ("LIBmethodS"))
+          methods = atoi (getenv ("LIBmethodS"));
+        else
+          methods = EVMETHOD_ANY;
+
+      method = 0;
+#if EV_USE_KQUEUE
+      if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);
+#endif

 #if EV_USE_EPOLL
 #if EV_USE_EPOLL

-      if (ev_method == EVMETHOD_NONE) epoll_init (flags);
+      if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init  (EV_A_ methods);
+#endif
+#if EV_USEV_POLL
+      if (!method && (methods & EVMETHOD_POLL  )) method = poll_init   (EV_A_ methods);

 #endif
 #if EV_USE_SELECT
 #endif
 #if EV_USE_SELECT

-      if (ev_method == EVMETHOD_NONE) select_init (flags);
+      if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);

 #endif
 
 #endif
 

-      if (ev_method)
+      if (method)

         {
           ev_watcher_init (&sigev, sigcb);
         {
           ev_watcher_init (&sigev, sigcb);

-          siginit ();
+          ev_set_priority (&sigev, EV_MAXPRI);
+          siginit (EV_A);

 
 

+#ifndef WIN32

           ev_signal_init (&childev, childcb, SIGCHLD);
           ev_signal_init (&childev, childcb, SIGCHLD);

-          ev_signal_start (&childev);
+          ev_set_priority (&childev, EV_MAXPRI);
+          ev_signal_start (EV_A_ &childev);
+#endif

         }
     }
 
         }
     }
 

-  return ev_method;
+  return method;

 }
 
 /*****************************************************************************/
 }
 
 /*****************************************************************************/


@@ -508,7 +666,7 @@ void
 ev_fork_child (void)
 {
 #if EV_USE_EPOLL
 ev_fork_child (void)
 {
 #if EV_USE_EPOLL

-  if (ev_method == EVMETHOD_EPOLL)
+  if (method == EVMETHOD_EPOLL)

     epoll_postfork_child ();
 #endif
 
     epoll_postfork_child ();
 #endif
 


@@ -522,24 +680,27 @@ ev_fork_child (void)
 /*****************************************************************************/
 
 static void
 /*****************************************************************************/
 
 static void

-call_pending (void)
+call_pending (EV_P)

 {
 {

-  while (pendingcnt)
-    {
-      ANPENDING *p = pendings + --pendingcnt;
+  int pri;

 
 

-      if (p->w)
-        {
-          p->w->pending = 0;
-          p->w->cb (p->w, p->events);
-        }
-    }
+  for (pri = NUMPRI; pri--; )
+    while (pendingcnt [pri])
+      {
+        ANPENDING *p = pendings [pri] + --pendingcnt [pri];
+
+        if (p->w)
+          {
+            p->w->pending = 0;
+            p->w->cb (EV_A_ p->w, p->events);
+          }
+      }

 }
 
 static void
 }
 
 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];
 
     {
       struct ev_timer *w = timers [0];
 


@@ -547,39 +708,39 @@ timers_reify (void)
       if (w->repeat)
         {
           assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
       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
           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
 
       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)
         {
     {
       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
           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
     }
 }
 
 static void

-periodics_reschedule (ev_tstamp diff)
+periodics_reschedule (EV_P_ ev_tstamp diff)

 {
   int i;
 
 {
   int i;
 


@@ -590,12 +751,12 @@ periodics_reschedule (ev_tstamp diff)
 
       if (w->interval)
         {
 
       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)
             {
 
           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 */
             }
 
               i = 0; /* restart loop, inefficient, but time jumps should be rare */
             }


@@ -603,70 +764,115 @@ periodics_reschedule (ev_tstamp diff)
     }
 }
 
     }
 }
 

+inline int
+time_update_monotonic (EV_P)
+{
+  mn_now = get_clock ();
+
+  if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
+    {
+      rt_now = mn_now + diff;
+      return 0;
+    }
+  else
+    {
+      now_floor = mn_now;
+      rt_now = ev_time ();
+      return 1;
+    }
+}
+

 static void
 static void

-time_update (void)
+time_update (EV_P)

 {
   int i;
 
 {
   int i;
 

-  ev_now = ev_time ();
-
-  if (have_monotonic)
+#if EV_USE_MONOTONIC
+  if (expect_true (have_monotonic))

     {
     {

-      ev_tstamp odiff = diff;
-
-      for (i = 4; --i; ) /* loop a few times, before making important decisions */
+      if (time_update_monotonic (EV_A))

         {
         {

-          now = get_clock ();
-          diff = ev_now - now;
+          ev_tstamp odiff = diff;

 
 

-          if (fabs (odiff - diff) < MIN_TIMEJUMP)
-            return; /* all is well */
+          for (i = 4; --i; ) /* loop a few times, before making important decisions */
+            {
+              diff = rt_now - mn_now;

 
 

-          ev_now = ev_time ();
-        }
+              if (fabs (odiff - diff) < MIN_TIMEJUMP)
+                return; /* all is well */

 
 

-      periodics_reschedule (diff - odiff);
-      /* no timer adjustment, as the monotonic clock doesn't jump */
+              rt_now    = ev_time ();
+              mn_now    = get_clock ();
+              now_floor = mn_now;
+            }
+
+          periodics_reschedule (EV_A_ diff - odiff);
+          /* no timer adjustment, as the monotonic clock doesn't jump */
+        }

     }
   else
     }
   else

+#endif

     {
     {

-      if (now > ev_now || now < ev_now - MAX_BLOCKTIME - MIN_TIMEJUMP)
+      rt_now = ev_time ();
+
+      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;
         }
 
 
           /* 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_unref (EV_P)
+{
+  --activecnt;
+}

 
 

-void ev_loop (int flags)
+static int loop_done;
+
+void
+ev_loop (EV_P_ int flags)

 {
   double block;
 {
   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) */
 
   do
     {
       /* queue check watchers (and execute them) */

-      if (preparecnt)
+      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 */
         }
 
       /* update fd-related kernel structures */

-      fd_reify ();
+      fd_reify (EV_A);

 
       /* calculate blocking time */
 
       /* we only need this for !monotonic clockor timers, but as we basically
          always have timers, we just calculate it always */
 
       /* calculate blocking time */
 
       /* we only need this for !monotonic clockor timers, but as we basically
          always have timers, we just calculate it always */

-      ev_now = ev_time ();
+#if EV_USE_MONOTONIC
+      if (expect_true (have_monotonic))
+        time_update_monotonic (EV_A);
+      else
+#endif
+        {
+          rt_now = ev_time ();
+          mn_now = rt_now;
+        }

 
       if (flags & EVLOOP_NONBLOCK || idlecnt)
         block = 0.;
 
       if (flags & EVLOOP_NONBLOCK || idlecnt)
         block = 0.;


@@ -676,54 +882,61 @@ void ev_loop (int flags)
 
           if (timercnt)
             {
 
           if (timercnt)
             {

-              ev_tstamp to = timers [0]->at - (have_monotonic ? get_clock () : ev_now) + method_fudge;
+              ev_tstamp to = timers [0]->at - mn_now + method_fudge;

               if (block > to) block = to;
             }
 
           if (periodiccnt)
             {
               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.;
         }
 
               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 */
 
       /* 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 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 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 (loop_done != 2)
+    loop_done = 0;
+}

 
 

-  if (ev_loop_done != 2)
-    ev_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;
 }
 
 wlist_add (WL *head, WL elem)
 {
   elem->next = *head;
   *head = elem;
 }
 

-static void
+inline void

 wlist_del (WL *head, WL elem)
 {
   while (*head)
 wlist_del (WL *head, WL elem)
 {
   while (*head)


@@ -738,80 +951,85 @@ 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)
     {
 {
   if (w->pending)
     {

-      pendings [w->pending - 1].w = 0;
+      pendings [ABSPRI (w)][w->pending - 1].w = 0;

       w->pending = 0;
     }
 }
 
       w->pending = 0;
     }
 }
 

-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;
   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
   w->active = 0;
 }
 
 /*****************************************************************************/
 
 void

-ev_io_start (struct ev_io *w)
+ev_io_start (EV_P_ struct ev_io *w)

 {
 {

+  int fd = w->fd;
+

   if (ev_is_active (w))
     return;
 
   if (ev_is_active (w))
     return;
 

-  int fd = w->fd;
-

   assert (("ev_io_start called with negative fd", fd >= 0));
 
   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);
 
   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
 }
 
 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);
   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
 }
 
 void

-ev_timer_start (struct ev_timer *w)
+ev_timer_start (EV_P_ struct ev_timer *w)

 {
   if (ev_is_active (w))
     return;
 
 {
   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.));
 
 
   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
   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;
 
   if (!ev_is_active (w))
     return;
 


@@ -823,28 +1041,28 @@ ev_timer_stop (struct ev_timer *w)
 
   w->at = w->repeat;
 
 
   w->at = w->repeat;
 

-  ev_stop ((W)w);
+  ev_stop (EV_A_ (W)w);

 }
 
 void
 }
 
 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)
         {
 {
   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
           downheap ((WT *)timers, timercnt, w->active - 1);
         }
       else

-        ev_timer_stop (w);
+        ev_timer_stop (EV_A_ w);

     }
   else if (w->repeat)
     }
   else if (w->repeat)

-    ev_timer_start (w);
+    ev_timer_start (EV_A_ w);

 }
 
 void
 }
 
 void

-ev_periodic_start (struct ev_periodic *w)
+ev_periodic_start (EV_P_ struct ev_periodic *w)

 {
   if (ev_is_active (w))
     return;
 {
   if (ev_is_active (w))
     return;


@@ -853,18 +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)
 
   /* 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
   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;
 
   if (!ev_is_active (w))
     return;
 


@@ -874,18 +1092,22 @@ ev_periodic_stop (struct ev_periodic *w)
       downheap ((WT *)periodics, periodiccnt, w->active - 1);
     }
 
       downheap ((WT *)periodics, periodiccnt, w->active - 1);
     }
 

-  ev_stop ((W)w);
+  ev_stop (EV_A_ (W)w);

 }
 
 }
 

+#ifndef SA_RESTART
+# define SA_RESTART 0
+#endif
+

 void
 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));
 
 {
   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);
 
   array_needsize (signals, signalmax, w->signum, signals_init);
   wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
 


@@ -894,110 +1116,110 @@ ev_signal_start (struct ev_signal *w)
       struct sigaction sa;
       sa.sa_handler = sighandler;
       sigfillset (&sa.sa_mask);
       struct sigaction sa;
       sa.sa_handler = sighandler;
       sigfillset (&sa.sa_mask);

-      sa.sa_flags = 0;
+      sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */

       sigaction (w->signum, &sa, 0);
     }
 }
 
 void
       sigaction (w->signum, &sa, 0);
     }
 }
 
 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);
   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
 
   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;
 
 {
   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
   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];
   if (ev_is_active (w))
     return;
 
   idles [w->active - 1] = idles [--idlecnt];

-  ev_stop ((W)w);
+  ev_stop (EV_A_ (W)w);

 }
 
 void
 }
 
 void

-ev_prepare_start (struct ev_prepare *w)
+ev_prepare_start (EV_P_ struct ev_prepare *w)

 {
   if (ev_is_active (w))
     return;
 
 {
   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
   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];
   if (ev_is_active (w))
     return;
 
   prepares [w->active - 1] = prepares [--preparecnt];

-  ev_stop ((W)w);
+  ev_stop (EV_A_ (W)w);

 }
 
 void
 }
 
 void

-ev_check_start (struct ev_check *w)
+ev_check_start (EV_P_ struct ev_check *w)

 {
   if (ev_is_active (w))
     return;
 
 {
   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
   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];
   if (ev_is_active (w))
     return;
 
   checks [w->active - 1] = checks [--checkcnt];

-  ev_stop ((W)w);
+  ev_stop (EV_A_ (W)w);

 }
 
 void
 }
 
 void

-ev_child_start (struct ev_child *w)
+ev_child_start (EV_P_ struct ev_child *w)

 {
   if (ev_is_active (w))
     return;
 
 {
   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
   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);
   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);

 }
 
 /*****************************************************************************/
 }
 
 /*****************************************************************************/


@@ -1011,32 +1233,32 @@ struct ev_once
 };
 
 static void
 };
 
 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;
 
 {
   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
   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
 }
 
 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
 }
 
 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));
 
 {
   struct ev_once *once = malloc (sizeof (struct ev_once));
 


@@ -1051,14 +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);
       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_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);

         }
     }
 }
         }
     }
 }