Call pthread_atfork(..., ev_default_fork) only after the default even…

…t loop has been created.

loop_lua_ev.c

@@ -81,6 +81,9 @@ static struct ev_loop** check_loop_and_init(lua_State *L, int loop_i) {
                        " is causing it to select a bad backend?");
         }
         register_obj(L, loop_i, *loop_r);
+
+        /* TODO: Only enable this if linked with pthread: */
+        pthread_atfork(0, 0, ev_default_fork);
     }
     return loop_r;
 }

lua_ev.c

@@ -27,9 +27,6 @@ LUALIB_API int luaopen_ev(lua_State *L) {
     assert(ev_version_major() == EV_VERSION_MAJOR &&
            ev_version_minor() >= EV_VERSION_MINOR);
 
-    /* TODO: Only enable this if linked with pthread: */
-    pthread_atfork(0, 0, ev_default_fork);
-
     create_obj_registry(L);
 
     lua_createtable(L, 0, 10);