X-Git-Url: https://git.llucax.com/software/libev.git/blobdiff_plain/f4f2094b6a36eac7778c5091ee4160a2f403e808..69799d7a176d30624a5499b13ceff8687143f1b1:/ev.c

diff --git a/ev.c b/ev.c
index 97a99d2..c38afda 100644
--- a/ev.c
+++ b/ev.c
@@ -30,13 +30,33 @@
  */
 #ifndef EV_STANDALONE
 # include "config.h"
+
+# if HAVE_CLOCK_GETTIME
+#  define EV_USE_MONOTONIC 1
+#  define EV_USE_REALTIME  1
+# endif
+
+# if HAVE_SELECT && HAVE_SYS_SELECT_H
+#  define EV_USE_SELECT 1
+# endif
+
+# if HAVE_POLL && HAVE_POLL_H
+#  define EV_USE_POLL 1
+# endif
+
+# if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H
+#  define EV_USE_EPOLL 1
+# endif
+
+# if HAVE_KQUEUE && HAVE_WORKING_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H
+#  define EV_USE_KQUEUE 1
+# endif
+
 #endif
 
 #include <math.h>
 #include <stdlib.h>
-#include <unistd.h>
 #include <fcntl.h>
-#include <signal.h>
 #include <stddef.h>
 
 #include <stdio.h>
@@ -44,12 +64,15 @@
 #include <assert.h>
 #include <errno.h>
 #include <sys/types.h>
+#include <time.h>
+
+#include <signal.h>
+
 #ifndef WIN32
+# include <unistd.h>
+# include <sys/time.h>
 # include <sys/wait.h>
 #endif
-#include <sys/time.h>
-#include <time.h>
-
 /**/
 
 #ifndef EV_USE_MONOTONIC
@@ -72,6 +95,16 @@
 # define EV_USE_KQUEUE 0
 #endif
 
+#ifndef EV_USE_WIN32
+# ifdef WIN32
+#  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
+#endif
+
 #ifndef EV_USE_REALTIME
 # define EV_USE_REALTIME 1
 #endif
@@ -117,11 +150,61 @@ typedef struct ev_watcher_time *WT;
 
 static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
 
+#include "ev_win32.c"
+
+/*****************************************************************************/
+
+static void (*syserr_cb)(const char *msg);
+
+void ev_set_syserr_cb (void (*cb)(const char *msg))
+{
+  syserr_cb = cb;
+}
+
+static void
+syserr (const char *msg)
+{
+  if (!msg)
+    msg = "(libev) system error";
+
+  if (syserr_cb)
+    syserr_cb (msg);
+  else
+    {
+      perror (msg);
+      abort ();
+    }
+}
+
+static void *(*alloc)(void *ptr, long size);
+
+void ev_set_allocator (void *(*cb)(void *ptr, long size))
+{
+  alloc = cb;
+}
+
+static void *
+ev_realloc (void *ptr, long size)
+{
+  ptr = alloc ? alloc (ptr, size) : realloc (ptr, size);
+
+  if (!ptr && size)
+    {
+      fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
+      abort ();
+    }
+
+  return ptr;
+}
+
+#define ev_malloc(size) ev_realloc (0, (size))
+#define ev_free(ptr)    ev_realloc ((ptr), 0)
+
 /*****************************************************************************/
 
 typedef struct
 {
-  struct ev_watcher_list *head;
+  WL head;
   unsigned char events;
   unsigned char reify;
 } ANFD;
@@ -187,23 +270,39 @@ ev_now (EV_P)
   return rt_now;
 }
 
-#define array_roundsize(base,n) ((n) | 4 & ~3)
-
-#define array_needsize(base,cur,cnt,init)		\
-  if (expect_false ((cnt) > cur))			\
-    {							\
-      int newcnt = cur;					\
-      do						\
-        {						\
-          newcnt = array_roundsize (base, newcnt << 1);	\
-        }						\
-      while ((cnt) > newcnt);				\
-      							\
-      base = realloc (base, sizeof (*base) * (newcnt));	\
-      init (base + cur, newcnt - cur);			\
-      cur = newcnt;					\
+#define array_roundsize(type,n) ((n) | 4 & ~3)
+
+#define array_needsize(type,base,cur,cnt,init)			\
+  if (expect_false ((cnt) > cur))				\
+    {								\
+      int newcnt = cur;						\
+      do							\
+        {							\
+          newcnt = array_roundsize (type, newcnt << 1);		\
+        }							\
+      while ((cnt) > newcnt);					\
+      								\
+      base = (type *)ev_realloc (base, sizeof (type) * (newcnt));\
+      init (base + cur, newcnt - cur);				\
+      cur = newcnt;						\
     }
 
+#define array_slim(type,stem)					\
+  if (stem ## max < array_roundsize (stem ## cnt >> 2))		\
+    {								\
+      stem ## max = array_roundsize (stem ## cnt >> 1);		\
+      base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\
+      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;
+
 /*****************************************************************************/
 
 static void
@@ -229,7 +328,7 @@ event (EV_P_ W w, int events)
     }
 
   w->pending = ++pendingcnt [ABSPRI (w)];
-  array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], 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 = events;
 }
@@ -278,11 +377,8 @@ fd_reify (EV_P)
 
       anfd->reify = 0;
 
-      if (anfd->events != events)
-        {
-          method_modify (EV_A_ fd, anfd->events, events);
-          anfd->events = events;
-        }
+      method_modify (EV_A_ fd, anfd->events, events);
+      anfd->events = events;
     }
 
   fdchangecnt = 0;
@@ -291,13 +387,13 @@ fd_reify (EV_P)
 static void
 fd_change (EV_P_ int fd)
 {
-  if (anfds [fd].reify || fdchangecnt < 0)
+  if (anfds [fd].reify)
     return;
 
   anfds [fd].reify = 1;
 
   ++fdchangecnt;
-  array_needsize (fdchanges, fdchangemax, fdchangecnt, );
+  array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void));
   fdchanges [fdchangecnt - 1] = fd;
 }
 
@@ -313,6 +409,16 @@ fd_kill (EV_P_ int fd)
     }
 }
 
+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)
@@ -321,7 +427,7 @@ fd_ebadf (EV_P)
 
   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);
 }
 
@@ -329,18 +435,17 @@ fd_ebadf (EV_P)
 static void
 fd_enomem (EV_P)
 {
-  int fd = anfdmax;
+  int fd;
 
-  while (fd--)
+  for (fd = anfdmax; fd--; )
     if (anfds [fd].events)
       {
-        close (fd);
         fd_kill (EV_A_ fd);
         return;
       }
 }
 
-/* susually called after fork if method needs to re-arm all fds from scratch */
+/* usually called after fork if method needs to re-arm all fds from scratch */
 static void
 fd_rearm_all (EV_P)
 {
@@ -351,7 +456,7 @@ fd_rearm_all (EV_P)
     if (anfds [fd].events)
       {
         anfds [fd].events = 0;
-        fd_change (fd);
+        fd_change (EV_A_ fd);
       }
 }
 
@@ -365,12 +470,12 @@ upheap (WT *heap, int k)
   while (k && heap [k >> 1]->at > w->at)
     {
       heap [k] = heap [k >> 1];
-      heap [k]->active = k + 1;
+      ((W)heap [k])->active = k + 1;
       k >>= 1;
     }
 
   heap [k] = w;
-  heap [k]->active = k + 1;
+  ((W)heap [k])->active = k + 1;
 
 }
 
@@ -390,19 +495,19 @@ downheap (WT *heap, int N, int k)
         break;
 
       heap [k] = heap [j];
-      heap [k]->active = k + 1;
+      ((W)heap [k])->active = k + 1;
       k = j;
     }
 
   heap [k] = w;
-  heap [k]->active = k + 1;
+  ((W)heap [k])->active = k + 1;
 }
 
 /*****************************************************************************/
 
 typedef struct
 {
-  struct ev_watcher_list *head;
+  WL head;
   sig_atomic_t volatile gotsig;
 } ANSIG;
 
@@ -428,13 +533,21 @@ signals_init (ANSIG *base, int count)
 static void
 sighandler (int signum)
 {
+#if WIN32
+  signal (signum, sighandler);
+#endif
+
   signals [signum - 1].gotsig = 1;
 
   if (!gotsig)
     {
       int old_errno = errno;
       gotsig = 1;
+#ifdef WIN32
+      send (sigpipe [1], &signum, 1, MSG_DONTWAIT);
+#else
       write (sigpipe [1], &signum, 1);
+#endif
       errno = old_errno;
     }
 }
@@ -442,10 +555,14 @@ sighandler (int signum)
 static void
 sigcb (EV_P_ struct ev_io *iow, int revents)
 {
-  struct ev_watcher_list *w;
+  WL w;
   int signum;
 
+#ifdef WIN32
+  recv (sigpipe [0], &revents, 1, MSG_DONTWAIT);
+#else
   read (sigpipe [0], &revents, 1);
+#endif
   gotsig = 0;
 
   for (signum = signalmax; signum--; )
@@ -477,9 +594,10 @@ siginit (EV_P)
 
 /*****************************************************************************/
 
+static struct ev_child *childs [PID_HASHSIZE];
+
 #ifndef WIN32
 
-static struct ev_child *childs [PID_HASHSIZE];
 static struct ev_signal childev;
 
 #ifndef WCONTINUED
@@ -494,9 +612,9 @@ child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status)
   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;
+        ev_priority (w) = ev_priority (sw); /* need to do it *now* */
+        w->rpid         = pid;
+        w->rstatus      = status;
         event (EV_A_ (W)w, EV_CHILD);
       }
 }
@@ -588,6 +706,9 @@ loop_init (EV_P_ int methods)
           methods = EVMETHOD_ANY;
 
       method = 0;
+#if EV_USE_WIN32
+      if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init  (EV_A_ methods);
+#endif
 #if EV_USE_KQUEUE
       if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);
 #endif
@@ -600,12 +721,20 @@ loop_init (EV_P_ int methods)
 #if EV_USE_SELECT
       if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);
 #endif
+
+      ev_watcher_init (&sigev, sigcb);
+      ev_set_priority (&sigev, EV_MAXPRI);
     }
 }
 
 void
 loop_destroy (EV_P)
 {
+  int i;
+
+#if EV_USE_WIN32
+  if (method == EVMETHOD_WIN32 ) win32_destroy  (EV_A);
+#endif
 #if EV_USE_KQUEUE
   if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
 #endif
@@ -619,31 +748,59 @@ loop_destroy (EV_P)
   if (method == EVMETHOD_SELECT) select_destroy (EV_A);
 #endif
 
+  for (i = NUMPRI; i--; )
+    array_free (pending, [i]);
+
+  /* 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;
-  /*TODO*/
 }
 
-void
+static void
 loop_fork (EV_P)
 {
-  /*TODO*/
 #if EV_USE_EPOLL
   if (method == EVMETHOD_EPOLL ) epoll_fork  (EV_A);
 #endif
 #if EV_USE_KQUEUE
   if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
 #endif
+
+  if (ev_is_active (&sigev))
+    {
+      /* default loop */
+
+      ev_ref (EV_A);
+      ev_io_stop (EV_A_ &sigev);
+      close (sigpipe [0]);
+      close (sigpipe [1]);
+
+      while (pipe (sigpipe))
+        syserr ("(libev) error creating pipe");
+
+      siginit (EV_A);
+    }
+
+  postfork = 0;
 }
 
 #if EV_MULTIPLICITY
 struct ev_loop *
 ev_loop_new (int methods)
 {
-  struct ev_loop *loop = (struct ev_loop *)calloc (1, sizeof (struct ev_loop));
+  struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
+
+  memset (loop, 0, sizeof (struct ev_loop));
 
   loop_init (EV_A_ methods);
 
-  if (ev_methods (EV_A))
+  if (ev_method (EV_A))
     return loop;
 
   return 0;
@@ -653,13 +810,13 @@ void
 ev_loop_destroy (EV_P)
 {
   loop_destroy (EV_A);
-  free (loop);
+  ev_free (loop);
 }
 
 void
 ev_loop_fork (EV_P)
 {
-  loop_fork (EV_A);
+  postfork = 1;
 }
 
 #endif
@@ -692,8 +849,6 @@ ev_default_loop (int methods)
 
       if (ev_method (EV_A))
         {
-          ev_watcher_init (&sigev, sigcb);
-          ev_set_priority (&sigev, EV_MAXPRI);
           siginit (EV_A);
 
 #ifndef WIN32
@@ -717,8 +872,10 @@ ev_default_destroy (void)
   struct ev_loop *loop = default_loop;
 #endif
 
+#ifndef WIN32
   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);
@@ -730,17 +887,14 @@ ev_default_destroy (void)
 }
 
 void
-ev_default_fork (EV_P)
+ev_default_fork (void)
 {
-  loop_fork (EV_A);
-
-  ev_io_stop (EV_A_ &sigev);
-  close (sigpipe [0]);
-  close (sigpipe [1]);
-  pipe (sigpipe);
+#if EV_MULTIPLICITY
+  struct ev_loop *loop = default_loop;
+#endif
 
-  ev_ref (EV_A); /* signal watcher */
-  siginit (EV_A);
+  if (method)
+    postfork = 1;
 }
 
 /*****************************************************************************/
@@ -766,15 +920,17 @@ call_pending (EV_P)
 static void
 timers_reify (EV_P)
 {
-  while (timercnt && timers [0]->at <= mn_now)
+  while (timercnt && ((WT)timers [0])->at <= mn_now)
     {
       struct ev_timer *w = timers [0];
 
+      assert (("inactive timer on timer heap detected", ev_is_active (w)));
+
       /* first reschedule or stop timer */
       if (w->repeat)
         {
           assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
-          w->at = mn_now + w->repeat;
+          ((WT)w)->at = mn_now + w->repeat;
           downheap ((WT *)timers, timercnt, 0);
         }
       else
@@ -787,15 +943,17 @@ timers_reify (EV_P)
 static void
 periodics_reify (EV_P)
 {
-  while (periodiccnt && periodics [0]->at <= rt_now)
+  while (periodiccnt && ((WT)periodics [0])->at <= rt_now)
     {
       struct ev_periodic *w = periodics [0];
 
+      assert (("inactive timer on periodic heap detected", ev_is_active (w)));
+
       /* first reschedule or stop timer */
       if (w->interval)
         {
-          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));
+          ((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));
           downheap ((WT *)periodics, periodiccnt, 0);
         }
       else
@@ -817,7 +975,7 @@ periodics_reschedule (EV_P)
 
       if (w->interval)
         {
-          ev_tstamp diff = ceil ((rt_now - w->at) / w->interval) * w->interval;
+          ev_tstamp diff = ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;
 
           if (fabs (diff) >= 1e-4)
             {
@@ -888,7 +1046,7 @@ time_update (EV_P)
 
           /* adjust timers. this is easy, as the offset is the same for all */
           for (i = 0; i < timercnt; ++i)
-            timers [i]->at += rt_now - mn_now;
+            ((WT)timers [i])->at += rt_now - mn_now;
         }
 
       mn_now = rt_now;
@@ -924,6 +1082,10 @@ ev_loop (EV_P_ int flags)
           call_pending (EV_A);
         }
 
+      /* we might have forked, so reify kernel state if necessary */
+      if (expect_false (postfork))
+        loop_fork (EV_A);
+
       /* update fd-related kernel structures */
       fd_reify (EV_A);
 
@@ -949,13 +1111,13 @@ ev_loop (EV_P_ int flags)
 
           if (timercnt)
             {
-              ev_tstamp to = timers [0]->at - mn_now + method_fudge;
+              ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
               if (block > to) block = to;
             }
 
           if (periodiccnt)
             {
-              ev_tstamp to = periodics [0]->at - rt_now + method_fudge;
+              ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge;
               if (block > to) block = to;
             }
 
@@ -1057,7 +1219,7 @@ 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);
-  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);
@@ -1082,14 +1244,16 @@ ev_timer_start (EV_P_ struct ev_timer *w)
   if (ev_is_active (w))
     return;
 
-  w->at += mn_now;
+  ((WT)w)->at += mn_now;
 
   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);
+
+  assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
 }
 
 void
@@ -1099,13 +1263,15 @@ ev_timer_stop (EV_P_ struct ev_timer *w)
   if (!ev_is_active (w))
     return;
 
-  if (w->active < timercnt--)
+  assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
+
+  if (((W)w)->active < timercnt--)
     {
-      timers [w->active - 1] = timers [timercnt];
-      downheap ((WT *)timers, timercnt, w->active - 1);
+      timers [((W)w)->active - 1] = timers [timercnt];
+      downheap ((WT *)timers, timercnt, ((W)w)->active - 1);
     }
 
-  w->at = w->repeat;
+  ((WT)w)->at = w->repeat;
 
   ev_stop (EV_A_ (W)w);
 }
@@ -1117,8 +1283,8 @@ ev_timer_again (EV_P_ struct ev_timer *w)
     {
       if (w->repeat)
         {
-          w->at = mn_now + w->repeat;
-          downheap ((WT *)timers, timercnt, w->active - 1);
+          ((WT)w)->at = mn_now + w->repeat;
+          downheap ((WT *)timers, timercnt, ((W)w)->active - 1);
         }
       else
         ev_timer_stop (EV_A_ w);
@@ -1137,12 +1303,14 @@ ev_periodic_start (EV_P_ 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 ((rt_now - w->at) / w->interval) * w->interval;
+    ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;
 
   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);
+
+  assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
 }
 
 void
@@ -1152,10 +1320,12 @@ ev_periodic_stop (EV_P_ struct ev_periodic *w)
   if (!ev_is_active (w))
     return;
 
-  if (w->active < periodiccnt--)
+  assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
+
+  if (((W)w)->active < periodiccnt--)
     {
-      periodics [w->active - 1] = periodics [periodiccnt];
-      downheap ((WT *)periodics, periodiccnt, w->active - 1);
+      periodics [((W)w)->active - 1] = periodics [periodiccnt];
+      downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
     }
 
   ev_stop (EV_A_ (W)w);
@@ -1168,7 +1338,7 @@ ev_idle_start (EV_P_ struct ev_idle *w)
     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;
 }
 
@@ -1179,7 +1349,7 @@ ev_idle_stop (EV_P_ struct ev_idle *w)
   if (ev_is_active (w))
     return;
 
-  idles [w->active - 1] = idles [--idlecnt];
+  idles [((W)w)->active - 1] = idles [--idlecnt];
   ev_stop (EV_A_ (W)w);
 }
 
@@ -1190,7 +1360,7 @@ ev_prepare_start (EV_P_ struct ev_prepare *w)
     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;
 }
 
@@ -1201,7 +1371,7 @@ ev_prepare_stop (EV_P_ struct ev_prepare *w)
   if (ev_is_active (w))
     return;
 
-  prepares [w->active - 1] = prepares [--preparecnt];
+  prepares [((W)w)->active - 1] = prepares [--preparecnt];
   ev_stop (EV_A_ (W)w);
 }
 
@@ -1212,7 +1382,7 @@ ev_check_start (EV_P_ struct ev_check *w)
     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;
 }
 
@@ -1223,7 +1393,7 @@ ev_check_stop (EV_P_ struct ev_check *w)
   if (ev_is_active (w))
     return;
 
-  checks [w->active - 1] = checks [--checkcnt];
+  checks [((W)w)->active - 1] = checks [--checkcnt];
   ev_stop (EV_A_ (W)w);
 }
 
@@ -1243,16 +1413,20 @@ 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);
-  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 (!w->next)
+  if (!((WL)w)->next)
     {
+#if WIN32
+      signal (w->signum, sighandler);
+#else
       struct sigaction sa;
       sa.sa_handler = sighandler;
       sigfillset (&sa.sa_mask);
       sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
       sigaction (w->signum, &sa, 0);
+#endif
     }
 }
 
@@ -1312,7 +1486,7 @@ once_cb (EV_P_ struct ev_once *once, int revents)
 
   ev_io_stop (EV_A_ &once->io);
   ev_timer_stop (EV_A_ &once->to);
-  free (once);
+  ev_free (once);
 
   cb (revents, arg);
 }
@@ -1332,7 +1506,7 @@ 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)
 {
-  struct ev_once *once = 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);