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systemd/src/shared/utmp-wtmp.h
Thorsten Kukuk 53c0397b1d shared/wall: use logind if build without utmp support
If systemd is build without utmp support, use sd_get_sessions() in
utmp_wall() to get a list of logged in users with the corresponding tty.
2023-09-06 13:19:26 +01:00

52 lines
1.3 KiB
C

/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
#include <stdbool.h>
#include <sys/types.h>
#include "time-util.h"
#if ENABLE_UTMP
#include <utmpx.h>
int utmp_get_runlevel(int *runlevel, int *previous);
int utmp_put_shutdown(void);
int utmp_put_reboot(usec_t timestamp);
int utmp_put_runlevel(int runlevel, int previous);
int utmp_put_dead_process(const char *id, pid_t pid, int code, int status);
int utmp_put_init_process(const char *id, pid_t pid, pid_t sid, const char *line, int ut_type, const char *user);
static inline bool utxent_start(void) {
setutxent();
return true;
}
static inline void utxent_cleanup(bool *initialized) {
if (initialized)
endutxent();
}
#else /* ENABLE_UTMP */
static inline int utmp_get_runlevel(int *runlevel, int *previous) {
return -ESRCH;
}
static inline int utmp_put_shutdown(void) {
return 0;
}
static inline int utmp_put_reboot(usec_t timestamp) {
return 0;
}
static inline int utmp_put_runlevel(int runlevel, int previous) {
return 0;
}
static inline int utmp_put_dead_process(const char *id, pid_t pid, int code, int status) {
return 0;
}
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) {
return 0;
}
#endif /* ENABLE_UTMP */