*** empty log message ***

[software/libev.git] / ev.c

diff --git a/ev.c b/ev.c
index 0457088e2507d52beb2606bcbf971525565b9064..20ad7e433abc23984d18f1fcda9c5e9d9a4ca5dd 100644 (file)
--- a/ev.c
+++ b/ev.c
@@ -56,9 +56,7 @@
 
 #include <math.h>
 #include <stdlib.h>
 
 #include <math.h>
 #include <stdlib.h>

-#include <unistd.h>

 #include <fcntl.h>
 #include <fcntl.h>

-#include <signal.h>

 #include <stddef.h>
 
 #include <stdio.h>
 #include <stddef.h>
 
 #include <stdio.h>


@@ -66,12 +64,15 @@
 #include <assert.h>
 #include <errno.h>
 #include <sys/types.h>
 #include <assert.h>
 #include <errno.h>
 #include <sys/types.h>

+#include <time.h>
+
+#include <signal.h>
+

 #ifndef WIN32
 #ifndef WIN32

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

 # include <sys/wait.h>
 #endif
 # include <sys/wait.h>
 #endif

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

 /**/
 
 #ifndef EV_USE_MONOTONIC
 /**/
 
 #ifndef EV_USE_MONOTONIC


@@ -96,7 +97,9 @@
 
 #ifndef EV_USE_WIN32
 # ifdef WIN32
 
 #ifndef EV_USE_WIN32
 # ifdef WIN32

-#  define EV_USE_WIN32 1
+#  define EV_USE_WIN32 0 /* it does not exist, use select */
+#  undef EV_USE_SELECT
+#  define EV_USE_SELECT 1

 # else
 #  define EV_USE_WIN32 0
 # endif
 # else
 #  define EV_USE_WIN32 0
 # endif


@@ -125,7 +128,11 @@
 #define PID_HASHSIZE  16 /* size of pid hash table, must be power of two */
 /*#define CLEANUP_INTERVAL 300. /* how often to try to free memory and re-check fds */
 
 #define PID_HASHSIZE  16 /* size of pid hash table, must be power of two */
 /*#define CLEANUP_INTERVAL 300. /* how often to try to free memory and re-check fds */
 

-#include "ev.h"
+#ifdef EV_H
+# include EV_H
+#else
+# include "ev.h"
+#endif

 
 #if __GNUC__ >= 3
 # define expect(expr,value)         __builtin_expect ((expr),(value))
 
 #if __GNUC__ >= 3
 # define expect(expr,value)         __builtin_expect ((expr),(value))


@@ -147,11 +154,7 @@ typedef struct ev_watcher_time *WT;
 
 static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
 
 
 static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
 

-#if WIN32
-/* note: the comment below could not be substantiated, but what would I care */
-/* MSDN says this is required to handle SIGFPE */
-volatile double SIGFPE_REQ = 0.0f; 
-#endif
+#include "ev_win32.c"

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


@@ -218,19 +221,24 @@ typedef struct
 
 #if EV_MULTIPLICITY
 
 
 #if EV_MULTIPLICITY
 

-struct ev_loop
-{
-# define VAR(name,decl) decl;
-# include "ev_vars.h"
-};
-# undef VAR
-# include "ev_wrap.h"
+  struct ev_loop
+  {
+    #define VAR(name,decl) decl;
+      #include "ev_vars.h"
+    #undef VAR
+  };
+  #include "ev_wrap.h"
+
+  struct ev_loop default_loop_struct;
+  static struct ev_loop *default_loop;

 
 #else
 
 
 #else
 

-# define VAR(name,decl) static decl;
-# include "ev_vars.h"
-# undef VAR
+  #define VAR(name,decl) static decl;
+    #include "ev_vars.h"
+  #undef VAR
+
+  static int default_loop;

 
 #endif
 
 
 #endif
 


@@ -271,31 +279,36 @@ ev_now (EV_P)
   return rt_now;
 }
 
   return rt_now;
 }
 

-#define array_roundsize(base,n) ((n) | 4 & ~3)
+#define array_roundsize(type,n) ((n) | 4 & ~3)

 
 

-#define array_needsize(base,cur,cnt,init)                      \
+#define array_needsize(type,base,cur,cnt,init)                 \

   if (expect_false ((cnt) > cur))                              \
     {                                                          \
       int newcnt = cur;                                                \
       do                                                       \
         {                                                      \
   if (expect_false ((cnt) > cur))                              \
     {                                                          \
       int newcnt = cur;                                                \
       do                                                       \
         {                                                      \

-          newcnt = array_roundsize (base, newcnt << 1);                \
+          newcnt = array_roundsize (type, newcnt << 1);                \

         }                                                      \
       while ((cnt) > newcnt);                                  \
                                                                \
         }                                                      \
       while ((cnt) > newcnt);                                  \
                                                                \

-      base = ev_realloc (base, sizeof (*base) * (newcnt));     \
+      base = (type *)ev_realloc (base, sizeof (type) * (newcnt));\

       init (base + cur, newcnt - cur);                         \
       cur = newcnt;                                            \
     }
 
       init (base + cur, newcnt - cur);                         \
       cur = newcnt;                                            \
     }
 

-#define array_slim(stem)                                       \
+#define array_slim(type,stem)                                  \

   if (stem ## max < array_roundsize (stem ## cnt >> 2))                \
     {                                                          \
       stem ## max = array_roundsize (stem ## cnt >> 1);                \
   if (stem ## max < array_roundsize (stem ## cnt >> 2))                \
     {                                                          \
       stem ## max = array_roundsize (stem ## cnt >> 1);                \

-      base = ev_realloc (base, sizeof (*base) * (stem ## max));        \
+      base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\

       fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\
     }
 
       fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\
     }
 

+/* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */
+/* bringing us everlasting joy in form of stupid extra macros that are not required in C */
+#define array_free_microshit(stem) \
+  ev_free (stem ## s); stem ## cnt = stem ## max = 0;
+

 #define array_free(stem, idx) \
   ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
 
 #define array_free(stem, idx) \
   ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
 


@@ -314,19 +327,21 @@ anfds_init (ANFD *base, int count)
     }
 }
 
     }
 }
 

-static void
-event (EV_P_ W w, int events)
+void
+ev_feed_event (EV_P_ void *w, int revents)

 {
 {

-  if (w->pending)
+  W w_ = (W)w;
+
+  if (w_->pending)

     {
     {

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

       return;
     }
 
       return;
     }
 

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

 }
 
 static void
 }
 
 static void


@@ -335,24 +350,30 @@ 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 (EV_A_ events [i], type);
+    ev_feed_event (EV_A_ events [i], type);

 }
 
 }
 

-static void
-fd_event (EV_P_ int fd, int events)
+inline void
+fd_event (EV_P_ int fd, int revents)

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

-      int ev = w->events & events;
+      int ev = w->events & revents;

 
       if (ev)
 
       if (ev)

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

     }
 }
 
     }
 }
 

+void
+ev_feed_fd_event (EV_P_ int fd, int revents)
+{
+  fd_event (EV_A_ fd, revents);
+}
+

 /*****************************************************************************/
 
 static void
 /*****************************************************************************/
 
 static void


@@ -389,7 +410,7 @@ fd_change (EV_P_ int fd)
   anfds [fd].reify = 1;
 
   ++fdchangecnt;
   anfds [fd].reify = 1;
 
   ++fdchangecnt;

-  array_needsize (fdchanges, fdchangemax, fdchangecnt, );
+  array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void));

   fdchanges [fdchangecnt - 1] = fd;
 }
 
   fdchanges [fdchangecnt - 1] = fd;
 }
 


@@ -401,10 +422,20 @@ fd_kill (EV_P_ int fd)
   while ((w = (struct ev_io *)anfds [fd].head))
     {
       ev_io_stop (EV_A_ 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);
+      ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);

     }
 }
 
     }
 }
 

+static int
+fd_valid (int fd)
+{
+#ifdef WIN32
+  return !!win32_get_osfhandle (fd);
+#else
+  return fcntl (fd, F_GETFD) != -1;
+#endif
+}
+

 /* called on EBADF to verify fds */
 static void
 fd_ebadf (EV_P)
 /* called on EBADF to verify fds */
 static void
 fd_ebadf (EV_P)


@@ -413,7 +444,7 @@ fd_ebadf (EV_P)
 
   for (fd = 0; fd < anfdmax; ++fd)
     if (anfds [fd].events)
 
   for (fd = 0; fd < anfdmax; ++fd)
     if (anfds [fd].events)

-      if (fcntl (fd, F_GETFD) == -1 && errno == EBADF)
+      if (!fd_valid (fd) == -1 && errno == EBADF)

         fd_kill (EV_A_ fd);
 }
 
         fd_kill (EV_A_ fd);
 }
 


@@ -529,28 +560,50 @@ sighandler (int signum)
     {
       int old_errno = errno;
       gotsig = 1;
     {
       int old_errno = errno;
       gotsig = 1;

+#ifdef WIN32
+      send (sigpipe [1], &signum, 1, MSG_DONTWAIT);
+#else

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

+#endif

       errno = old_errno;
     }
 }
 
       errno = old_errno;
     }
 }
 

+void
+ev_feed_signal_event (EV_P_ int signum)
+{
+  WL w;
+
+#if EV_MULTIPLICITY
+  assert (("feeding signal events is only supported in the default loop", loop == default_loop));
+#endif
+
+  --signum;
+
+  if (signum < 0 || signum >= signalmax)
+    return;
+
+  signals [signum].gotsig = 0;
+
+  for (w = signals [signum].head; w; w = w->next)
+    ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
+}
+

 static void
 sigcb (EV_P_ struct ev_io *iow, int revents)
 {
 static void
 sigcb (EV_P_ struct ev_io *iow, int revents)
 {

-  WL w;

   int signum;
 
   int signum;
 

+#ifdef WIN32
+  recv (sigpipe [0], &revents, 1, MSG_DONTWAIT);
+#else

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

+#endif

   gotsig = 0;
 
   for (signum = signalmax; signum--; )
     if (signals [signum].gotsig)
   gotsig = 0;
 
   for (signum = signalmax; signum--; )
     if (signals [signum].gotsig)

-      {
-        signals [signum].gotsig = 0;
-
-        for (w = signals [signum].head; w; w = w->next)
-          event (EV_A_ (W)w, EV_SIGNAL);
-      }
+      ev_feed_signal_event (EV_A_ signum + 1);

 }
 
 static void
 }
 
 static void


@@ -572,9 +625,10 @@ siginit (EV_P)
 
 /*****************************************************************************/
 
 
 /*****************************************************************************/
 

+static struct ev_child *childs [PID_HASHSIZE];
+

 #ifndef WIN32
 
 #ifndef WIN32
 

-static struct ev_child *childs [PID_HASHSIZE];

 static struct ev_signal childev;
 
 #ifndef WCONTINUED
 static struct ev_signal childev;
 
 #ifndef WCONTINUED


@@ -592,7 +646,7 @@ child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status)
         ev_priority (w) = ev_priority (sw); /* need to do it *now* */
         w->rpid         = pid;
         w->rstatus      = status;
         ev_priority (w) = ev_priority (sw); /* need to do it *now* */
         w->rpid         = pid;
         w->rstatus      = status;

-        event (EV_A_ (W)w, EV_CHILD);
+        ev_feed_event (EV_A_ (W)w, EV_CHILD);

       }
 }
 
       }
 }
 


@@ -604,7 +658,7 @@ childcb (EV_P_ struct ev_signal *sw, int revents)
   if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED)))
     {
       /* make sure we are called again until all childs have been reaped */
   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);
+      ev_feed_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 */
 
       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 */


@@ -728,12 +782,13 @@ loop_destroy (EV_P)
   for (i = NUMPRI; i--; )
     array_free (pending, [i]);
 
   for (i = NUMPRI; i--; )
     array_free (pending, [i]);
 

-  array_free (fdchange, );
-  array_free (timer, );
-  array_free (periodic, );
-  array_free (idle, );
-  array_free (prepare, );
-  array_free (check, );
+  /* have to use the microsoft-never-gets-it-right macro */
+  array_free_microshit (fdchange);
+  array_free_microshit (timer);
+  array_free_microshit (periodic);
+  array_free_microshit (idle);
+  array_free_microshit (prepare);
+  array_free_microshit (check);

 
   method = 0;
 }
 
   method = 0;
 }


@@ -798,13 +853,8 @@ ev_loop_fork (EV_P)
 #endif
 
 #if EV_MULTIPLICITY
 #endif
 
 #if EV_MULTIPLICITY

-struct ev_loop default_loop_struct;
-static struct ev_loop *default_loop;
-

 struct ev_loop *
 #else
 struct ev_loop *
 #else

-static int default_loop;
-

 int
 #endif
 ev_default_loop (int methods)
 int
 #endif
 ev_default_loop (int methods)


@@ -848,8 +898,10 @@ ev_default_destroy (void)
   struct ev_loop *loop = default_loop;
 #endif
 
   struct ev_loop *loop = default_loop;
 #endif
 

+#ifndef WIN32

   ev_ref (EV_A); /* child watcher */
   ev_signal_stop (EV_A_ &childev);
   ev_ref (EV_A); /* child watcher */
   ev_signal_stop (EV_A_ &childev);

+#endif

 
   ev_ref (EV_A); /* signal watcher */
   ev_io_stop (EV_A_ &sigev);
 
   ev_ref (EV_A); /* signal watcher */
   ev_io_stop (EV_A_ &sigev);


@@ -873,6 +925,18 @@ ev_default_fork (void)
 
 /*****************************************************************************/
 
 
 /*****************************************************************************/
 

+static int
+any_pending (EV_P)
+{
+  int pri;
+
+  for (pri = NUMPRI; pri--; )
+    if (pendingcnt [pri])
+      return 1;
+
+  return 0;
+}
+

 static void
 call_pending (EV_P)
 {
 static void
 call_pending (EV_P)
 {


@@ -910,7 +974,7 @@ timers_reify (EV_P)
       else
         ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
 
       else
         ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
 

-      event (EV_A_ (W)w, EV_TIMEOUT);
+      ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);

     }
 }
 
     }
 }
 


@@ -924,7 +988,14 @@ periodics_reify (EV_P)
       assert (("inactive timer on periodic heap detected", ev_is_active (w)));
 
       /* first reschedule or stop timer */
       assert (("inactive timer on periodic heap detected", ev_is_active (w)));
 
       /* first reschedule or stop timer */

-      if (w->interval)
+      if (w->reschedule_cb)
+        {
+          ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, rt_now + 0.0001);
+
+          assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > rt_now));
+          downheap ((WT *)periodics, periodiccnt, 0);
+        }
+      else if (w->interval)

         {
           ((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;
           assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now));
         {
           ((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;
           assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now));


@@ -933,7 +1004,7 @@ periodics_reify (EV_P)
       else
         ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
 
       else
         ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
 

-      event (EV_A_ (W)w, EV_PERIODIC);
+      ev_feed_event (EV_A_ (W)w, EV_PERIODIC);

     }
 }
 
     }
 }
 


@@ -947,19 +1018,15 @@ periodics_reschedule (EV_P)
     {
       struct ev_periodic *w = periodics [i];
 
     {
       struct ev_periodic *w = periodics [i];
 

-      if (w->interval)
-        {
-          ev_tstamp diff = ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;
-
-          if (fabs (diff) >= 1e-4)
-            {
-              ev_periodic_stop (EV_A_ w);
-              ev_periodic_start (EV_A_ w);
-
-              i = 0; /* restart loop, inefficient, but time jumps should be rare */
-            }
-        }
+      if (w->reschedule_cb)
+        ((WT)w)->at = w->reschedule_cb (w, rt_now);
+      else if (w->interval)
+        ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;

     }
     }

+
+  /* now rebuild the heap */
+  for (i = periodiccnt >> 1; i--; )
+    downheap ((WT *)periodics, periodiccnt, i);

 }
 
 inline int
 }
 
 inline int


@@ -1065,7 +1132,7 @@ ev_loop (EV_P_ int flags)
 
       /* calculate blocking time */
 
 
       /* calculate blocking time */
 

-      /* we only need this for !monotonic clockor timers, but as we basically
+      /* we only need this for !monotonic clock or timers, but as we basically

          always have timers, we just calculate it always */
 #if EV_USE_MONOTONIC
       if (expect_true (have_monotonic))
          always have timers, we just calculate it always */
 #if EV_USE_MONOTONIC
       if (expect_true (have_monotonic))


@@ -1108,7 +1175,7 @@ ev_loop (EV_P_ int flags)
       periodics_reify (EV_A); /* absolute timers called first */
 
       /* queue idle watchers unless io or timers are pending */
       periodics_reify (EV_A); /* absolute timers called first */
 
       /* queue idle watchers unless io or timers are pending */

-      if (!pendingcnt)
+      if (idlecnt && !any_pending (EV_A))

         queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
 
       /* queue check watchers, to be executed first */
         queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
 
       /* queue check watchers, to be executed first */


@@ -1193,7 +1260,7 @@ ev_io_start (EV_P_ struct ev_io *w)
   assert (("ev_io_start called with negative fd", fd >= 0));
 
   ev_start (EV_A_ (W)w, 1);
   assert (("ev_io_start called with negative fd", fd >= 0));
 
   ev_start (EV_A_ (W)w, 1);

-  array_needsize (anfds, anfdmax, fd + 1, anfds_init);
+  array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);

   wlist_add ((WL *)&anfds[fd].head, (WL)w);
 
   fd_change (EV_A_ fd);
   wlist_add ((WL *)&anfds[fd].head, (WL)w);
 
   fd_change (EV_A_ fd);


@@ -1223,7 +1290,7 @@ ev_timer_start (EV_P_ struct ev_timer *w)
   assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
 
   ev_start (EV_A_ (W)w, ++timercnt);
   assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
 
   ev_start (EV_A_ (W)w, ++timercnt);

-  array_needsize (timers, timermax, timercnt, );
+  array_needsize (struct ev_timer *, timers, timermax, timercnt, (void));

   timers [timercnt - 1] = w;
   upheap ((WT *)timers, timercnt - 1);
 
   timers [timercnt - 1] = w;
   upheap ((WT *)timers, timercnt - 1);
 


@@ -1273,14 +1340,17 @@ ev_periodic_start (EV_P_ struct ev_periodic *w)
   if (ev_is_active (w))
     return;
 
   if (ev_is_active (w))
     return;
 

-  assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
-
-  /* this formula differs from the one in periodic_reify because we do not always round up */
-  if (w->interval)
-    ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;
+  if (w->reschedule_cb)
+    ((WT)w)->at = w->reschedule_cb (w, rt_now);
+  else if (w->interval)
+    {
+      assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
+      /* this formula differs from the one in periodic_reify because we do not always round up */
+      ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;
+    }

 
   ev_start (EV_A_ (W)w, ++periodiccnt);
 
   ev_start (EV_A_ (W)w, ++periodiccnt);

-  array_needsize (periodics, periodicmax, periodiccnt, );
+  array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void));

   periodics [periodiccnt - 1] = w;
   upheap ((WT *)periodics, periodiccnt - 1);
 
   periodics [periodiccnt - 1] = w;
   upheap ((WT *)periodics, periodiccnt - 1);
 


@@ -1305,6 +1375,13 @@ ev_periodic_stop (EV_P_ struct ev_periodic *w)
   ev_stop (EV_A_ (W)w);
 }
 
   ev_stop (EV_A_ (W)w);
 }
 

+void
+ev_periodic_again (EV_P_ struct ev_periodic *w)
+{
+  ev_periodic_stop (EV_A_ w);
+  ev_periodic_start (EV_A_ w);
+}
+

 void
 ev_idle_start (EV_P_ struct ev_idle *w)
 {
 void
 ev_idle_start (EV_P_ struct ev_idle *w)
 {


@@ -1312,7 +1389,7 @@ ev_idle_start (EV_P_ struct ev_idle *w)
     return;
 
   ev_start (EV_A_ (W)w, ++idlecnt);
     return;
 
   ev_start (EV_A_ (W)w, ++idlecnt);

-  array_needsize (idles, idlemax, idlecnt, );
+  array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void));

   idles [idlecnt - 1] = w;
 }
 
   idles [idlecnt - 1] = w;
 }
 


@@ -1334,7 +1411,7 @@ ev_prepare_start (EV_P_ struct ev_prepare *w)
     return;
 
   ev_start (EV_A_ (W)w, ++preparecnt);
     return;
 
   ev_start (EV_A_ (W)w, ++preparecnt);

-  array_needsize (prepares, preparemax, preparecnt, );
+  array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void));

   prepares [preparecnt - 1] = w;
 }
 
   prepares [preparecnt - 1] = w;
 }
 


@@ -1356,7 +1433,7 @@ ev_check_start (EV_P_ struct ev_check *w)
     return;
 
   ev_start (EV_A_ (W)w, ++checkcnt);
     return;
 
   ev_start (EV_A_ (W)w, ++checkcnt);

-  array_needsize (checks, checkmax, checkcnt, );
+  array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void));

   checks [checkcnt - 1] = w;
 }
 
   checks [checkcnt - 1] = w;
 }
 


@@ -1387,7 +1464,7 @@ ev_signal_start (EV_P_ struct ev_signal *w)
   assert (("ev_signal_start called with illegal signal number", w->signum > 0));
 
   ev_start (EV_A_ (W)w, 1);
   assert (("ev_signal_start called with illegal signal number", w->signum > 0));
 
   ev_start (EV_A_ (W)w, 1);

-  array_needsize (signals, signalmax, w->signum, signals_init);
+  array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);

   wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
 
   if (!((WL)w)->next)
   wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
 
   if (!((WL)w)->next)


@@ -1480,7 +1557,7 @@ once_cb_to (EV_P_ struct ev_timer *w, int revents)
 void
 ev_once (EV_P_ 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)
 {

-  struct ev_once *once = ev_malloc (sizeof (struct ev_once));
+  struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));

 
   if (!once)
     cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg);
 
   if (!once)
     cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg);