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|man pages section 3: Library Interfaces and Headers Oracle Solaris 11 Information Library|
- user accounting database definitions
The <utmpx.h> header defines the utmpx structure, which includes the following members:
char ut_user; /* user login name */ char ut_id; /* unspecified initialization */ /* process identifier */ char ut_line; /* device name */ pid_t ut_pid; /* process ID */ short ut_type; /* type of entry */
for X/Open compilation environments:
struct ut_exit_status ut_exit; /* process termination/exit status*/
for all other compilation environments:
struct exit_status ut_exit; /* process termination/exit status*/
struct timeval ut_tv; /* time entry was made */ int ut_session; /* session ID, used for windowing */ short ut_syslen; /* significant length of ut_host */ /* including terminating null */ char ut_host; /* remote host name */
The pid_t type is defined through typedef as described in <sys/types.h>.
The timeval structure is defined as described in <sys/time.h>.
Inclusion of the <utmpx.h> header can also make visible all symbols from <sys/time.h>.
The following symbolic constants are defined as possible values for the ut_type member of the utmpx structure:
No valid user accounting information.
Identifies time of system boot.
Identifies time when system clock changed.
Identifies time after system clock changed.
Identifies a process.
Identifies a process spawned by the init process.
Identifies the session leader of a logged-in user.
Identifies a session leader who has exited.
See attributes(5) for descriptions of the following attributes: