*** empty log message ***

[software/libev.git] / ev.c

diff --git a/ev.c b/ev.c
index 25776bfdf5886203a378a962a975768c0f254d86..0ae34e8b3bd66cc1772e9c8750b8da659c4b8a1f 100644 (file)
--- a/ev.c
+++ b/ev.c
@@ -28,27 +28,36 @@
  * (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.
  */

+
+#ifdef __cplusplus
+extern "C" {
+#endif
+

 #ifndef EV_STANDALONE
 # include "config.h"
 
 # if HAVE_CLOCK_GETTIME
 #ifndef EV_STANDALONE
 # include "config.h"
 
 # if HAVE_CLOCK_GETTIME

-#  define EV_USE_MONOTONIC 1
-#  define EV_USE_REALTIME  1
+#  ifndef EV_USE_MONOTONIC
+#   define EV_USE_MONOTONIC 1
+#  endif
+#  ifndef EV_USE_REALTIME
+#   define EV_USE_REALTIME  1
+#  endif

 # endif
 
 # endif
 

-# if HAVE_SELECT && HAVE_SYS_SELECT_H
+# if HAVE_SELECT && HAVE_SYS_SELECT_H && !defined (EV_USE_SELECT)

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

-# if HAVE_POLL && HAVE_POLL_H
+# if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL) && !defined (__APPLE__)

 #  define EV_USE_POLL 1
 # endif
 
 #  define EV_USE_POLL 1
 # endif
 

-# if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H
+# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H && !defined (EV_USE_EPOLL)

 #  define EV_USE_EPOLL 1
 # endif
 
 #  define EV_USE_EPOLL 1
 # endif
 

-# if HAVE_KQUEUE && HAVE_WORKING_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H
+# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H && !defined (EV_USE_KQUEUE) && !defined (__APPLE__)

 #  define EV_USE_KQUEUE 1
 # endif
 
 #  define EV_USE_KQUEUE 1
 # endif
 


@@ -68,11 +77,18 @@
 
 #include <signal.h>
 
 
 #include <signal.h>
 

-#ifndef WIN32
+#ifndef _WIN32

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

+#else
+# define WIN32_LEAN_AND_MEAN
+# include <windows.h>
+# ifndef EV_SELECT_IS_WINSOCKET
+#  define EV_SELECT_IS_WINSOCKET 1
+# endif

 #endif
 #endif

+

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


@@ -81,10 +97,15 @@
 
 #ifndef EV_USE_SELECT
 # define EV_USE_SELECT 1
 
 #ifndef EV_USE_SELECT
 # define EV_USE_SELECT 1

+# define EV_SELECT_USE_FD_SET 1

 #endif
 
 #ifndef EV_USE_POLL
 #endif
 
 #ifndef EV_USE_POLL

-# define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */
+# ifdef _WIN32
+#  define EV_USE_POLL 0
+# else
+#  define EV_USE_POLL 1
+# endif

 #endif
 
 #ifndef EV_USE_EPOLL
 #endif
 
 #ifndef EV_USE_EPOLL


@@ -95,16 +116,6 @@
 # define EV_USE_KQUEUE 0
 #endif
 
 # 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
 #ifndef EV_USE_REALTIME
 # define EV_USE_REALTIME 1
 #endif


@@ -121,6 +132,10 @@
 # define EV_USE_REALTIME 0
 #endif
 
 # define EV_USE_REALTIME 0
 #endif
 

+#if EV_SELECT_IS_WINSOCKET
+# include <winsock.h>
+#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) */


@@ -148,13 +163,17 @@
 #define NUMPRI    (EV_MAXPRI - EV_MINPRI + 1)
 #define ABSPRI(w) ((w)->priority - EV_MINPRI)
 
 #define NUMPRI    (EV_MAXPRI - EV_MINPRI + 1)
 #define ABSPRI(w) ((w)->priority - EV_MINPRI)
 

+#define EMPTY /* required for microsofts broken pseudo-c compiler */
+

 typedef struct ev_watcher *W;
 typedef struct ev_watcher_list *WL;
 typedef struct ev_watcher_time *WT;
 
 static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
 
 typedef struct ev_watcher *W;
 typedef struct ev_watcher_list *WL;
 typedef struct ev_watcher_time *WT;
 
 static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
 

-#include "ev_win32.c"
+#ifdef _WIN32
+# include "ev_win32.c"
+#endif

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


@@ -211,6 +230,9 @@ typedef struct
   WL head;
   unsigned char events;
   unsigned char reify;
   WL head;
   unsigned char events;
   unsigned char reify;

+#if EV_SELECT_IS_WINSOCKET
+  SOCKET handle;
+#endif

 } ANFD;
 
 typedef struct
 } ANFD;
 
 typedef struct


@@ -224,6 +246,7 @@ typedef struct
   struct ev_loop
   {
     ev_tstamp ev_rt_now;
   struct ev_loop
   {
     ev_tstamp ev_rt_now;

+    #define ev_rt_now ((loop)->ev_rt_now)

     #define VAR(name,decl) decl;
       #include "ev_vars.h"
     #undef VAR
     #define VAR(name,decl) decl;
       #include "ev_vars.h"
     #undef VAR


@@ -246,7 +269,7 @@ typedef struct
 
 /*****************************************************************************/
 
 
 /*****************************************************************************/
 

-inline ev_tstamp
+ev_tstamp

 ev_time (void)
 {
 #if EV_USE_REALTIME
 ev_time (void)
 {
 #if EV_USE_REALTIME


@@ -308,11 +331,6 @@ ev_now (EV_P)
       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;
 


@@ -396,6 +414,15 @@ fd_reify (EV_P)
       for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next)
         events |= w->events;
 
       for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next)
         events |= w->events;
 

+#if EV_SELECT_IS_WINSOCKET
+      if (events)
+        {
+          unsigned long argp;
+          anfd->handle = _get_osfhandle (fd);
+          assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));
+        }
+#endif
+

       anfd->reify = 0;
 
       method_modify (EV_A_ fd, anfd->events, events);
       anfd->reify = 0;
 
       method_modify (EV_A_ fd, anfd->events, events);


@@ -433,8 +460,8 @@ fd_kill (EV_P_ int fd)
 static int
 fd_valid (int fd)
 {
 static int
 fd_valid (int fd)
 {

-#ifdef WIN32
-  return !!win32_get_osfhandle (fd);
+#ifdef _WIN32
+  return _get_osfhandle (fd) != -1;

 #else
   return fcntl (fd, F_GETFD) != -1;
 #endif
 #else
   return fcntl (fd, F_GETFD) != -1;
 #endif


@@ -525,15 +552,10 @@ downheap (WT *heap, int N, int k)
 }
 
 inline void
 }
 
 inline void

-adjustheap (WT *heap, int N, int k, ev_tstamp at)
+adjustheap (WT *heap, int N, int k)

 {
 {

-  ev_tstamp old_at = heap [k]->at;
-  heap [k]->at = at;
-
-  if (old_at < at)
-    downheap (heap, N, k);
-  else
-    upheap (heap, k);
+  upheap (heap, k);
+  downheap (heap, N, k);

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


@@ -566,7 +588,7 @@ signals_init (ANSIG *base, int count)
 static void
 sighandler (int signum)
 {
 static void
 sighandler (int signum)
 {

-#if WIN32
+#if _WIN32

   signal (signum, sighandler);
 #endif
 
   signal (signum, sighandler);
 #endif
 


@@ -576,11 +598,7 @@ 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;
     }
 }


@@ -610,11 +628,7 @@ sigcb (EV_P_ struct ev_io *iow, int revents)
 {
   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--; )
   gotsig = 0;
 
   for (signum = signalmax; signum--; )


@@ -622,17 +636,23 @@ sigcb (EV_P_ struct ev_io *iow, int revents)
       ev_feed_signal_event (EV_A_ signum + 1);
 }
 
       ev_feed_signal_event (EV_A_ signum + 1);
 }
 

+inline void
+fd_intern (int fd)
+{
+#ifdef _WIN32
+  int arg = 1;
+  ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
+#else
+  fcntl (fd, F_SETFD, FD_CLOEXEC);
+  fcntl (fd, F_SETFL, O_NONBLOCK);
+#endif
+}
+

 static void
 siginit (EV_P)
 {
 static 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);
-#endif
+  fd_intern (sigpipe [0]);
+  fd_intern (sigpipe [1]);

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


@@ -643,7 +663,7 @@ siginit (EV_P)
 
 static struct ev_child *childs [PID_HASHSIZE];
 
 
 static struct ev_child *childs [PID_HASHSIZE];
 

-#ifndef WIN32
+#ifndef _WIN32

 
 static struct ev_signal childev;
 
 
 static struct ev_signal childev;
 


@@ -714,7 +734,7 @@ ev_version_minor (void)
 static int
 enable_secure (void)
 {
 static int
 enable_secure (void)
 {

-#ifdef WIN32
+#ifdef _WIN32

   return 0;
 #else
   return getuid () != geteuid ()
   return 0;
 #else
   return getuid () != geteuid ()


@@ -753,9 +773,6 @@ loop_init (EV_P_ int methods)
           methods = EVMETHOD_ANY;
 
       method = 0;
           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
 #if EV_USE_KQUEUE
       if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);
 #endif


@@ -779,9 +796,6 @@ loop_destroy (EV_P)
 {
   int i;
 
 {
   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
 #if EV_USE_KQUEUE
   if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
 #endif


@@ -799,12 +813,14 @@ loop_destroy (EV_P)
     array_free (pending, [i]);
 
   /* have to use the microsoft-never-gets-it-right macro */
     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);
+  array_free (fdchange, EMPTY);
+  array_free (timer, EMPTY);
+#if EV_PERIODICS
+  array_free (periodic, EMPTY);
+#endif
+  array_free (idle, EMPTY);
+  array_free (prepare, EMPTY);
+  array_free (check, EMPTY);

 
   method = 0;
 }
 
   method = 0;
 }


@@ -893,7 +909,7 @@ ev_default_loop (int methods)
         {
           siginit (EV_A);
 
         {
           siginit (EV_A);
 

-#ifndef WIN32
+#ifndef _WIN32

           ev_signal_init (&childev, childcb, SIGCHLD);
           ev_set_priority (&childev, EV_MAXPRI);
           ev_signal_start (EV_A_ &childev);
           ev_signal_init (&childev, childcb, SIGCHLD);
           ev_set_priority (&childev, EV_MAXPRI);
           ev_signal_start (EV_A_ &childev);


@@ -914,7 +930,7 @@ ev_default_destroy (void)
   struct ev_loop *loop = default_loop;
 #endif
 
   struct ev_loop *loop = default_loop;
 #endif
 

-#ifndef WIN32
+#ifndef _WIN32

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


@@ -984,7 +1000,11 @@ timers_reify (EV_P)
       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.));

-          ((WT)w)->at = mn_now + w->repeat;
+
+          ((WT)w)->at += w->repeat;
+          if (((WT)w)->at < mn_now)
+            ((WT)w)->at = mn_now;
+

           downheap ((WT *)timers, timercnt, 0);
         }
       else
           downheap ((WT *)timers, timercnt, 0);
         }
       else


@@ -994,6 +1014,7 @@ timers_reify (EV_P)
     }
 }
 
     }
 }
 

+#if EV_PERIODICS

 static void
 periodics_reify (EV_P)
 {
 static void
 periodics_reify (EV_P)
 {


@@ -1044,6 +1065,7 @@ periodics_reschedule (EV_P)
   for (i = periodiccnt >> 1; i--; )
     downheap ((WT *)periodics, periodiccnt, i);
 }
   for (i = periodiccnt >> 1; i--; )
     downheap ((WT *)periodics, periodiccnt, i);
 }

+#endif

 
 inline int
 time_update_monotonic (EV_P)
 
 inline int
 time_update_monotonic (EV_P)


@@ -1087,7 +1109,9 @@ time_update (EV_P)
               now_floor = mn_now;
             }
 
               now_floor = mn_now;
             }
 

+# if EV_PERIODICS

           periodics_reschedule (EV_A);
           periodics_reschedule (EV_A);

+# endif

           /* no timer adjustment, as the monotonic clock doesn't jump */
           /* timers_reschedule (EV_A_ rtmn_diff - odiff) */
         }
           /* no timer adjustment, as the monotonic clock doesn't jump */
           /* timers_reschedule (EV_A_ rtmn_diff - odiff) */
         }


@@ -1099,7 +1123,9 @@ time_update (EV_P)
 
       if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
         {
 
       if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
         {

+#if EV_PERIODICS

           periodics_reschedule (EV_A);
           periodics_reschedule (EV_A);

+#endif

 
           /* adjust timers. this is easy, as the offset is the same for all */
           for (i = 0; i < timercnt; ++i)
 
           /* adjust timers. this is easy, as the offset is the same for all */
           for (i = 0; i < timercnt; ++i)


@@ -1172,11 +1198,13 @@ ev_loop (EV_P_ int flags)
               if (block > to) block = to;
             }
 
               if (block > to) block = to;
             }
 

+#if EV_PERIODICS

           if (periodiccnt)
             {
               ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge;
               if (block > to) block = to;
             }
           if (periodiccnt)
             {
               ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge;
               if (block > to) block = to;
             }

+#endif

 
           if (block < 0.) block = 0.;
         }
 
           if (block < 0.) block = 0.;
         }


@@ -1188,7 +1216,9 @@ ev_loop (EV_P_ int flags)
 
       /* queue pending timers and reschedule them */
       timers_reify (EV_A); /* relative timers called last */
 
       /* queue pending timers and reschedule them */
       timers_reify (EV_A); /* relative timers called last */

+#if EV_PERIODICS

       periodics_reify (EV_A); /* absolute timers called first */
       periodics_reify (EV_A); /* absolute timers called first */

+#endif

 
       /* queue idle watchers unless io or timers are pending */
       if (idlecnt && !any_pending (EV_A))
 
       /* queue idle watchers unless io or timers are pending */
       if (idlecnt && !any_pending (EV_A))


@@ -1289,6 +1319,8 @@ ev_io_stop (EV_P_ struct ev_io *w)
   if (!ev_is_active (w))
     return;
 
   if (!ev_is_active (w))
     return;
 

+  assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
+

   wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
   ev_stop (EV_A_ (W)w);
 
   wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
   ev_stop (EV_A_ (W)w);
 


@@ -1325,10 +1357,10 @@ ev_timer_stop (EV_P_ struct ev_timer *w)
   if (((W)w)->active < timercnt--)
     {
       timers [((W)w)->active - 1] = timers [timercnt];
   if (((W)w)->active < timercnt--)
     {
       timers [((W)w)->active - 1] = timers [timercnt];

-      downheap ((WT *)timers, timercnt, ((W)w)->active - 1);
+      adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);

     }
 
     }
 

-  ((WT)w)->at = w->repeat;
+  ((WT)w)->at -= mn_now;

 
   ev_stop (EV_A_ (W)w);
 }
 
   ev_stop (EV_A_ (W)w);
 }


@@ -1339,7 +1371,10 @@ 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)

-        adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1, mn_now + w->repeat);
+        {
+          ((WT)w)->at = mn_now + w->repeat;
+          adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
+        }

       else
         ev_timer_stop (EV_A_ w);
     }
       else
         ev_timer_stop (EV_A_ w);
     }


@@ -1347,6 +1382,7 @@ ev_timer_again (EV_P_ struct ev_timer *w)
     ev_timer_start (EV_A_ w);
 }
 
     ev_timer_start (EV_A_ w);
 }
 

+#if EV_PERIODICS

 void
 ev_periodic_start (EV_P_ struct ev_periodic *w)
 {
 void
 ev_periodic_start (EV_P_ struct ev_periodic *w)
 {


@@ -1382,7 +1418,7 @@ ev_periodic_stop (EV_P_ struct ev_periodic *w)
   if (((W)w)->active < periodiccnt--)
     {
       periodics [((W)w)->active - 1] = periodics [periodiccnt];
   if (((W)w)->active < periodiccnt--)
     {
       periodics [((W)w)->active - 1] = periodics [periodiccnt];

-      downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
+      adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);

     }
 
   ev_stop (EV_A_ (W)w);
     }
 
   ev_stop (EV_A_ (W)w);


@@ -1395,6 +1431,7 @@ ev_periodic_again (EV_P_ struct ev_periodic *w)
   ev_periodic_stop (EV_A_ w);
   ev_periodic_start (EV_A_ w);
 }
   ev_periodic_stop (EV_A_ w);
   ev_periodic_start (EV_A_ w);
 }

+#endif

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


@@ -1411,7 +1448,7 @@ void
 ev_idle_stop (EV_P_ struct ev_idle *w)
 {
   ev_clear_pending (EV_A_ (W)w);
 ev_idle_stop (EV_P_ struct ev_idle *w)
 {
   ev_clear_pending (EV_A_ (W)w);

-  if (ev_is_active (w))
+  if (!ev_is_active (w))

     return;
 
   idles [((W)w)->active - 1] = idles [--idlecnt];
     return;
 
   idles [((W)w)->active - 1] = idles [--idlecnt];


@@ -1433,7 +1470,7 @@ void
 ev_prepare_stop (EV_P_ struct ev_prepare *w)
 {
   ev_clear_pending (EV_A_ (W)w);
 ev_prepare_stop (EV_P_ struct ev_prepare *w)
 {
   ev_clear_pending (EV_A_ (W)w);

-  if (ev_is_active (w))
+  if (!ev_is_active (w))

     return;
 
   prepares [((W)w)->active - 1] = prepares [--preparecnt];
     return;
 
   prepares [((W)w)->active - 1] = prepares [--preparecnt];


@@ -1455,7 +1492,7 @@ void
 ev_check_stop (EV_P_ struct ev_check *w)
 {
   ev_clear_pending (EV_A_ (W)w);
 ev_check_stop (EV_P_ struct ev_check *w)
 {
   ev_clear_pending (EV_A_ (W)w);

-  if (ev_is_active (w))
+  if (!ev_is_active (w))

     return;
 
   checks [((W)w)->active - 1] = checks [--checkcnt];
     return;
 
   checks [((W)w)->active - 1] = checks [--checkcnt];


@@ -1483,7 +1520,7 @@ ev_signal_start (EV_P_ struct ev_signal *w)
 
   if (!((WL)w)->next)
     {
 
   if (!((WL)w)->next)
     {

-#if WIN32
+#if _WIN32

       signal (w->signum, sighandler);
 #else
       struct sigaction sa;
       signal (w->signum, sighandler);
 #else
       struct sigaction sa;


@@ -1526,7 +1563,7 @@ void
 ev_child_stop (EV_P_ struct ev_child *w)
 {
   ev_clear_pending (EV_A_ (W)w);
 ev_child_stop (EV_P_ struct ev_child *w)
 {
   ev_clear_pending (EV_A_ (W)w);

-  if (ev_is_active (w))
+  if (!ev_is_active (w))

     return;
 
   wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
     return;
 
   wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);


@@ -1596,3 +1633,7 @@ ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, vo
     }
 }
 
     }
 }
 

+#ifdef __cplusplus
+}
+#endif
+