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         assert(initialized);
  27         if (*initialized)
  28                 endutxent();
  29 }
  30
  31 #else /* ENABLE_UTMP */
  32
  33 static inline int utmp_get_runlevel(int *runlevel, int *previous) {
  34         return -ESRCH;
  35 }
  36 static inline int utmp_put_shutdown(void) {
  37         return 0;
  38 }
  39 static inline int utmp_put_reboot(usec_t timestamp) {
  40         return 0;
  41 }
  42 static inline int utmp_put_runlevel(int runlevel, int previous) {
  43         return 0;
  44 }
  45 static inline int utmp_put_dead_process(const char *id, pid_t pid, int code, int status) {
  46         return 0;
  47 }
  48 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) {
  49         return 0;
  50 }
  51
  52 #endif /* ENABLE_UTMP */