src/shared/utmp-wtmp.h

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2 #pragma once
   3
   4 #include <stdbool.h>
   5 #include <sys/types.h>
   6
   7 #include "time-util.h"
   8
   9 #if ENABLE_UTMP
  10 #include <utmpx.h>
  11
  12 int utmp_get_runlevel(int *runlevel, int *previous);
  13
  14 int utmp_put_shutdown(void);
  15 int utmp_put_reboot(usec_t timestamp);
  16 int utmp_put_runlevel(int runlevel, int previous);
  17
  18 int utmp_put_dead_process(const char *id, pid_t pid, int code, int status);
  19 int utmp_put_init_process(const char *id, pid_t pid, pid_t sid, const char *line, int ut_type, const char *user);
  20
  21 static inline bool utxent_start(void) {
  22         setutxent();
  23         return true;
  24 }
  25 static inline void utxent_cleanup(bool *initialized) {
  26         if (initialized)
  27                 endutxent();
  28 }
  29
  30 #else /* ENABLE_UTMP */
  31
  32 static inline int utmp_get_runlevel(int *runlevel, int *previous) {
  33         return -ESRCH;
  34 }
  35 static inline int utmp_put_shutdown(void) {
  36         return 0;
  37 }
  38 static inline int utmp_put_reboot(usec_t timestamp) {
  39         return 0;
  40 }
  41 static inline int utmp_put_runlevel(int runlevel, int previous) {
  42         return 0;
  43 }
  44 static inline int utmp_put_dead_process(const char *id, pid_t pid, int code, int status) {
  45         return 0;
  46 }
  47 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) {
  48         return 0;
  49 }
  50
  51 #endif /* ENABLE_UTMP */