| 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 | */ |
| 24 | unsigned int check_socket_activation(void); |
| 25 | |
| 26 | #endif |