--- libev/ev.h	2014/09/26 01:13:11	1.179
+++ libev/ev.h	2015/12/20 01:35:55	1.184
@@ -1,7 +1,7 @@
 /*
  * libev native API header
  *
- * Copyright (c) 2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann <libev@schmorp.de>
+ * Copyright (c) 2007,2008,2009,2010,2011,2012,2015 Marc Alexander Lehmann <libev@schmorp.de>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modifica-
@@ -42,12 +42,16 @@
 
 #ifdef __cplusplus
 # define EV_CPP(x) x
+# if __cplusplus >= 201103L
+#  define EV_THROW noexcept
+# else
+#  define EV_THROW throw ()
+# endif
 #else
 # define EV_CPP(x)
+# define EV_THROW
 #endif
 
-#define EV_THROW EV_CPP(throw())
-
 EV_CPP(extern "C" {)
 
 /*****************************************************************************/
@@ -148,6 +152,8 @@
 
 typedef double ev_tstamp;
 
+#include <string.h> /* for memmove */
+
 #ifndef EV_ATOMIC_T
 # include <signal.h>
 # define EV_ATOMIC_T sig_atomic_t volatile
@@ -205,7 +211,7 @@
 /*****************************************************************************/
 
 #define EV_VERSION_MAJOR 4
-#define EV_VERSION_MINOR 19
+#define EV_VERSION_MINOR 22
 
 /* eventmask, revents, events... */
 enum {
@@ -660,7 +666,7 @@
 EV_API_DECL void *ev_userdata (EV_P) EV_THROW;
 typedef void (*ev_loop_callback)(EV_P);
 EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW;
-/* C++ doesn't allow the use of the ev_loop_callback typedef here, so we need to spell it out*/
+/* C++ doesn't allow the use of the ev_loop_callback typedef here, so we need to spell it out */
 EV_API_DECL void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW;
 
 EV_API_DECL unsigned int ev_pending_count (EV_P) EV_THROW; /* number of pending events, if any */
@@ -715,7 +721,8 @@
 #define ev_is_pending(ev)                    (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
 #define ev_is_active(ev)                     (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
 
-#define ev_cb(ev)                            (ev)->cb /* rw */
+#define ev_cb_(ev)                           (ev)->cb /* rw */
+#define ev_cb(ev)                            (memmove (&ev_cb_ (ev), &((ev_watcher *)(ev))->cb, sizeof (ev_cb_ (ev))), (ev)->cb)
 
 #if EV_MINPRI == EV_MAXPRI
 # define ev_priority(ev)                     ((ev), EV_MINPRI)
@@ -728,7 +735,7 @@
 #define ev_periodic_at(ev)                   (+((ev_watcher_time *)(ev))->at)
 
 #ifndef ev_set_cb
-# define ev_set_cb(ev,cb_)                   ev_cb (ev) = (cb_)
+# define ev_set_cb(ev,cb_)                   (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev))))
 #endif
 
 /* stopping (enabling, adding) a watcher does nothing if it is already running */