src/shared/utmp-wtmp.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 /***
   5   This file is part of systemd.
   6
   7   Copyright 2010 Lennart Poettering
   8 ***/
   9
  10 #include <stdbool.h>
  11 #include <sys/types.h>
  12
  13 #include "time-util.h"
  14 #include "util.h"
  15
  16 #if ENABLE_UTMP
  17 int utmp_get_runlevel(int *runlevel, int *previous);
  18
  19 int utmp_put_shutdown(void);
  20 int utmp_put_reboot(usec_t timestamp);
  21 int utmp_put_runlevel(int runlevel, int previous);
  22
  23 int utmp_put_dead_process(const char *id, pid_t pid, int code, int status);
  24 int utmp_put_init_process(const char *id, pid_t pid, pid_t sid, const char *line, int ut_type, const char *user);
  25
  26 int utmp_wall(
  27         const char *message,
  28         const char *username,
  29         const char *origin_tty,
  30         bool (*match_tty)(const char *tty, void *userdata),
  31         void *userdata);
  32
  33 #else /* ENABLE_UTMP */
  34
  35 static inline int utmp_get_runlevel(int *runlevel, int *previous) {
  36         return -ESRCH;
  37 }
  38 static inline int utmp_put_shutdown(void) {
  39         return 0;
  40 }
  41 static inline int utmp_put_reboot(usec_t timestamp) {
  42         return 0;
  43 }
  44 static inline int utmp_put_runlevel(int runlevel, int previous) {
  45         return 0;
  46 }
  47 static inline int utmp_put_dead_process(const char *id, pid_t pid, int code, int status) {
  48         return 0;
  49 }
  50 static inline int utmp_put_init_process(const char *id, pid_t pid, pid_t sid, const char *line, int ut_type, const char *user) {
  51         return 0;
  52 }
  53 static inline int utmp_wall(
  54                 const char *message,
  55                 const char *username,
  56                 const char *origin_tty,
  57                 bool (*match_tty)(const char *tty, void *userdata),
  58                 void *userdata) {
  59         return 0;
  60 }
  61
  62 #endif /* ENABLE_UTMP */