- add non-os-assisted ev_stat watcher

[software/libev.git] / ev_epoll.c

diff --git a/ev_epoll.c b/ev_epoll.c
index 2040103af6234c962a59a14cede0572ddcd1f801..4edbecd1bdaf75541ded85208de8b5e0b1157fc2 100644 (file)
--- a/ev_epoll.c
+++ b/ev_epoll.c
@@ -42,9 +42,9 @@ epoll_modify (EV_P_ int fd, int oev, int nev)
       (nev & EV_READ ? EPOLLIN : 0)
       | (nev & EV_WRITE ? EPOLLOUT : 0);
 
       (nev & EV_READ ? EPOLLIN : 0)
       | (nev & EV_WRITE ? EPOLLOUT : 0);
 

-  if (epoll_ctl (epoll_fd, mode, fd, &ev))
+  if (epoll_ctl (backend_fd, mode, fd, &ev))

     if (errno != ENOENT /* on ENOENT the fd went away, so try to do the right thing */
     if (errno != ENOENT /* on ENOENT the fd went away, so try to do the right thing */

-        || (nev && epoll_ctl (epoll_fd, EPOLL_CTL_ADD, fd, &ev)))
+        || (nev && epoll_ctl (backend_fd, EPOLL_CTL_ADD, fd, &ev)))

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


@@ -52,7 +52,7 @@ static void
 epoll_poll (EV_P_ ev_tstamp timeout)
 {
   int i;
 epoll_poll (EV_P_ ev_tstamp timeout)
 {
   int i;

-  int eventcnt = epoll_wait (epoll_fd, epoll_events, epoll_eventmax, ceil (timeout * 1000.));
+  int eventcnt = epoll_wait (backend_fd, epoll_events, epoll_eventmax, (int)ceil (timeout * 1000.));

 
   if (eventcnt < 0)
     {
 
   if (eventcnt < 0)
     {


@@ -75,34 +75,34 @@ epoll_poll (EV_P_ ev_tstamp timeout)
     {
       ev_free (epoll_events);
       epoll_eventmax = array_roundsize (epoll_events, epoll_eventmax << 1);
     {
       ev_free (epoll_events);
       epoll_eventmax = array_roundsize (epoll_events, epoll_eventmax << 1);

-      epoll_events = ev_malloc (sizeof (struct epoll_event) * epoll_eventmax);
+      epoll_events = (struct epoll_event *)ev_malloc (sizeof (struct epoll_event) * epoll_eventmax);

     }
 }
 
 static int
 epoll_init (EV_P_ int flags)
 {
     }
 }
 
 static int
 epoll_init (EV_P_ int flags)
 {

-  epoll_fd = epoll_create (256);
+  backend_fd = epoll_create (256);

 
 

-  if (epoll_fd < 0)
+  if (backend_fd < 0)

     return 0;
 
     return 0;
 

-  fcntl (epoll_fd, F_SETFD, FD_CLOEXEC);
+  fcntl (backend_fd, F_SETFD, FD_CLOEXEC);

 
 

-  method_fudge  = 1e-3; /* needed to compensate for epoll returning early */
-  method_modify = epoll_modify;
-  method_poll   = epoll_poll;
+  backend_fudge  = 1e-3; /* needed to compensate for epoll returning early */
+  backend_modify = epoll_modify;
+  backend_poll   = epoll_poll;

 
   epoll_eventmax = 64; /* intiial number of events receivable per poll */
 
   epoll_eventmax = 64; /* intiial number of events receivable per poll */

-  epoll_events = ev_malloc (sizeof (struct epoll_event) * epoll_eventmax);
+  epoll_events = (struct epoll_event *)ev_malloc (sizeof (struct epoll_event) * epoll_eventmax);

 
 

-  return EVMETHOD_EPOLL;
+  return EVBACKEND_EPOLL;

 }
 
 static void
 epoll_destroy (EV_P)
 {
 }
 
 static void
 epoll_destroy (EV_P)
 {

-  close (epoll_fd);
+  close (backend_fd);

 
   ev_free (epoll_events);
 }
 
   ev_free (epoll_events);
 }


@@ -110,17 +110,12 @@ epoll_destroy (EV_P)
 static void
 epoll_fork (EV_P)
 {
 static void
 epoll_fork (EV_P)
 {

-  for (;;)
-    {
-      epoll_fd = epoll_create (256);
-
-      if (epoll_fd >= 0)
-        break;
+  close (backend_fd);

 
 

-      syserr ("(libev) epoll_create");
-    }
+  while ((backend_fd = epoll_create (256)) < 0)
+    syserr ("(libev) epoll_create");

 
 

-  fcntl (epoll_fd, F_SETFD, FD_CLOEXEC);
+  fcntl (backend_fd, F_SETFD, FD_CLOEXEC);

 
   fd_rearm_all (EV_A);
 }
 
   fd_rearm_all (EV_A);
 }