*** empty log message ***

ev_epoll.c

@@ -89,7 +89,7 @@ epoll_init (EV_P_ int flags)
 
   fcntl (backend_fd, F_SETFD, FD_CLOEXEC);
 
-  backend_fudge  = 2e-4; /* needed to compensate for epoll returning early */
+  backend_fudge  = 0.; /* kernel sources seem to indicate this to be zero */
   backend_modify = epoll_modify;
   backend_poll   = epoll_poll;
 

ev_kqueue.c

@@ -153,7 +153,6 @@ kqueue_init (EV_P_ int flags)
 
   fcntl (backend_fd, F_SETFD, FD_CLOEXEC); /* not sure if necessary, hopefully doesn't hurt */
 
-  /* fudge *might* be zero from the documentation, but bsd docs are notoriously wrong */
   backend_fudge  = 1e-3; /* needed to compensate for kevent returning early */
   backend_modify = kqueue_modify;
   backend_poll   = kqueue_poll;

ev_poll.c

@@ -108,7 +108,7 @@ poll_poll (EV_P_ ev_tstamp timeout)
 int inline_size
 poll_init (EV_P_ int flags)
 {
-  backend_fudge  = 0; /* needed to compensate for select returning early, very conservative */
+  backend_fudge  = 0.; /* posix says this is zero */
   backend_modify = poll_modify;
   backend_poll   = poll_poll;
 

ev_select.c

@@ -203,7 +203,7 @@ select_poll (EV_P_ ev_tstamp timeout)
 int inline_size
 select_init (EV_P_ int flags)
 {
-  backend_fudge  = 0; /* needed to compensate for select returning early, very conservative */
+  backend_fudge  = 0.; /* posix says this is zero */
   backend_modify = select_modify;
   backend_poll   = select_poll;