LXR qemu/include/qemu/systemd.h

   1/*
   2 * systemd socket activation support
   3 *
   4 * Copyright 2017 Red Hat, Inc. and/or its affiliates
   5 *
   6 * Authors:
   7 *  Richard W.M. Jones <rjones@redhat.com>
   8 *
   9 * This work is licensed under the terms of the GNU GPL, version 2 or later.
  10 * See the COPYING file in the top-level directory.
  11 */
  12
  13#ifndef QEMU_SYSTEMD_H
  14#define QEMU_SYSTEMD_H
  15
  16#define FIRST_SOCKET_ACTIVATION_FD 3 /* defined by systemd ABI */
  17
  18/*
  19 * Check if socket activation was requested via use of the
  20 * LISTEN_FDS and LISTEN_PID environment variables.
  21 *
  22 * Returns 0 if no socket activation, or the number of FDs.
  23 */
  24unsigned int check_socket_activation(void);
  25
  26#endif
  27