merge r2897, r2898, r2899, r2901, r2902, r2904, r2905, r2906, r2907, r2909, r2910, r2922, r2923, r2924, r2925, r2929: various win32 fixes: *) use no-threads for Unix builds only *) Win32 returns ERROR_PATH_NOT_FOUND instead of ERROR_FILE_NOT_FOUND *) add trailing zero to a file name in ngx_win32_rename_file() *) fix logging in ngx_win32_rename_file() *) allow shared memory segments more than 4G *) fix memory leak in successful case *) log shared memory name in failure case *) test that zone has the same addresses in different processes *) add drive letter for Win32 root path *) log GetExitCodeProcess()'s errno *) test premature process termination *) fix debug logging *) exit if no workers could not be started *) do not quit old workers if no new workers could not be started *) a signaller process should stop configuration processing just after it is able to get pid file, this allows to not open log files, etc. *) win32 master process had aready closed listening sockets

--- a/src/core/ngx_connection.c
+++ b/src/core/ngx_connection.c
@@ -603,6 +603,8 @@ ngx_close_listening_sockets(ngx_cycle_t 
             ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_socket_errno,
                           ngx_close_socket_n " %V failed", &ls[i].addr_text);
         }
+
+        ls[i].fd = (ngx_socket_t) -1;
     }
 }