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-rw-r--r--sysdeps/gnu/bits/utmp.h84
1 files changed, 34 insertions, 50 deletions
diff --git a/sysdeps/gnu/bits/utmp.h b/sysdeps/gnu/bits/utmp.h
index db49ac845c..163f6427ec 100644
--- a/sysdeps/gnu/bits/utmp.h
+++ b/sysdeps/gnu/bits/utmp.h
@@ -16,35 +16,22 @@
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
-#ifndef _UTMPBITS_H
-
-#define _UTMPBITS_H 1
-#include <features.h>
+#ifndef _UTMP_H
+#error "Never use <bits/utmp.h> directly; include <utmpx.h> instead."
+#endif
#include <paths.h>
#include <sys/time.h>
#include <sys/types.h>
-#define UT_UNKNOWN 0 /* for ut_type field */
-
-#define RUN_LVL 1
-#define BOOT_TIME 2
-#define NEW_TIME 3
-#define OLD_TIME 4
-
-#define INIT_PROCESS 5
-#define LOGIN_PROCESS 6
-#define USER_PROCESS 7
-#define DEAD_PROCESS 8
-#define ACCOUNTING 9
-
#define UT_LINESIZE 32
#define UT_NAMESIZE 32
#define UT_HOSTSIZE 256
-__BEGIN_DECLS
+/* The structure describing an entry in the database of
+ previous logins. */
struct lastlog
{
time_t ll_time;
@@ -53,28 +40,8 @@ struct lastlog
};
-/* XXX We are not ready to use this now. It needs some more research.
- Simly copying the behaviour of other implementations is no big
- help. */
-#if 0
-/* Which program created the record. */
-enum utlogin
-{
- unknown,
- X,
- local,
- rlogin,
- telnet,
- rsh,
- ftp,
- screen,
- splitvt,
- xterm
- /* More could be added here. */
-};
-#endif
-
-
+/* The structure describing the status of a terminated process. This
+ type is used in `struct utmp' below. */
struct exit_status
{
short int e_termination; /* Process termination status. */
@@ -82,16 +49,16 @@ struct exit_status
};
+/* The structure describing an entry in the user accounting database. */
struct utmp
{
short int ut_type; /* Type of login. */
- pid_t ut_pid; /* Pid of login process. */
- char ut_line[UT_LINESIZE]; /* NUL-terminated devicename of tty. */
- char ut_id[4]; /* Inittab id. */
- char ut_user[UT_NAMESIZE]; /* Username (not NUL terminated). */
-#define ut_name ut_user /* Compatible field name for same. */
+ pid_t ut_pid; /* Process ID of login process. */
+ char ut_line[UT_LINESIZE]; /* Devicename. */
+ char ut_id[4]; /* Inittab ID. */
+ char ut_user[UT_NAMESIZE]; /* Username. */
char ut_host[UT_HOSTSIZE]; /* Hostname for remote login. */
- struct exit_status ut_exit; /* The exit status of a process marked
+ struct exit_status ut_exit; /* Exit status of a process marked
as DEAD_PROCESS. */
long ut_session; /* Session ID, used for windowing. */
struct timeval ut_tv; /* Time entry was made. */
@@ -100,6 +67,7 @@ struct utmp
};
/* Backwards compatibility hacks. */
+#define ut_name ut_user
#ifndef _NO_UT_TIME
/* We have a problem here: `ut_time' is also used otherwise. Define
_NO_UT_TIME if the compiler complains. */
@@ -108,6 +76,26 @@ struct utmp
#define ut_xtime ut_tv.tv_sec
#define ut_addr ut_addr_v6[0]
+
+/* Values for the `ut_type' field of a `struct utmp'. */
+#define EMPTY 0 /* No valid user accounting information. */
+
+#define RUN_LVL 1 /* The system's runlevel. */
+#define BOOT_TIME 2 /* Time of system boot. */
+#define NEW_TIME 3 /* Time after system clock changed. */
+#define OLD_TIME 4 /* Time when system clock changed. */
+
+#define INIT_PROCESS 5 /* Process spawned by the init process. */
+#define LOGIN_PROCESS 6 /* Session leader of a logged in user. */
+#define USER_PROCESS 7 /* Normal process. */
+#define DEAD_PROCESS 8 /* Terminated process. */
+
+#define ACCOUNTING 9
+
+/* Old Linux name for the EMPTY type. */
+#define UT_UNKNOWN EMPTY
+
+
/* Tell the user that we have a modern system with UT_HOST, UT_PID,
UT_TYPE, UT_ID and UT_TV fields. */
#define _HAVE_UT_TYPE 1
@@ -115,7 +103,3 @@ struct utmp
#define _HAVE_UT_ID 1
#define _HAVE_UT_TV 1
#define _HAVE_UT_HOST 1
-
-__END_DECLS
-
-#endif /* !_UTMP_H_ */