X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fsystemd%2Fsd-login.h;h=c5837f0ca0e8e383ebab29829d2887688f8dedfc;hb=edcfd89ad0996686488c02ee0062d913fa0ba483;hp=0a6d6ffdaa18ee0b2a8d5eef45a98517a3db675b;hpb=ee1f44bd9a63e776810a31bd8394e8d481b6c34d;p=elogind.git diff --git a/src/systemd/sd-login.h b/src/systemd/sd-login.h index 0a6d6ffda..c5837f0ca 100644 --- a/src/systemd/sd-login.h +++ b/src/systemd/sd-login.h @@ -23,6 +23,7 @@ ***/ #include +#include #ifdef __cplusplus extern "C" { @@ -44,6 +45,8 @@ extern "C" { * These functions access data in /proc, /sys/fs/cgroup and /run. All * of these are virtual file systems, hence the accesses are * relatively cheap. + * + * See sd-login(3) for more information. */ /* Get session from PID. Note that 'shared' processes of a user are @@ -59,11 +62,23 @@ int sd_pid_get_session(pid_t pid, char **session); * return an error for system processes. */ int sd_pid_get_owner_uid(pid_t pid, uid_t *uid); -/* Get systemd unit (i.e. service) name from PID. This will return an - * error for non-service processes. */ -int sd_pid_get_unit(pid_t, char **unit); +/* Get systemd unit (i.e. service) name from PID, for system + * services. This will return an error for non-service processes. */ +int sd_pid_get_unit(pid_t pid, char **unit); + +/* Get systemd unit (i.e. service) name from PID, for user + * services. This will return an error for non-user-service + * processes. */ +int sd_pid_get_user_unit(pid_t pid, char **unit); + +/* Get machine name from PID, for processes assigned to VM or + * container. This will return an error for non-machine processes. */ +int sd_pid_get_machine_name(pid_t pid, char **name); -/* Get state from uid. Possible states: offline, lingering, online, active */ +/* Get slice name from PID. */ +int sd_pid_get_slice(pid_t pid, char **name); + +/* Get state from uid. Possible states: offline, lingering, online, active, closing */ int sd_uid_get_state(uid_t uid, char**state); /* Return 1 if uid has session on seat. If require_active is true will @@ -80,9 +95,14 @@ int sd_uid_get_sessions(uid_t uid, int require_active, char ***sessions); * just return number of seats.*/ int sd_uid_get_seats(uid_t uid, int require_active, char ***seats); -/* Return 1 if the session is a active */ +/* Return 1 if the session is a active. */ int sd_session_is_active(const char *session); +/* Get state from session. Possible states: online, active, closing + * (This function is a more generic version of + * sd_session_is_active().) */ +int sd_session_get_state(const char *sessio, char **state); + /* Determine user id of session */ int sd_session_get_uid(const char *session, uid_t *uid); @@ -101,6 +121,12 @@ int sd_session_get_class(const char *session, char **clazz); /* Determine the X11 display of this session. */ int sd_session_get_display(const char *session, char **display); +/* Determine the TTY of this session. */ +int sd_session_get_tty(const char *session, char **display); + +/* Determine the VT number of this session. */ +int sd_session_get_vt(const char *session, unsigned *vtnr); + /* Return active session and user of seat */ int sd_seat_get_active(const char *seat, char **session, uid_t *uid); @@ -112,6 +138,12 @@ int sd_seat_get_sessions(const char *seat, char ***sessions, uid_t **uid, unsign /* Return whether the seat is multi-session capable */ int sd_seat_can_multi_session(const char *seat); +/* Return whether the seat is TTY capable, i.e. suitable for showing console UIs */ +int sd_seat_can_tty(const char *seat); + +/* Return whether the seat is graphics capable, i.e. suitable for showing graphical UIs */ +int sd_seat_can_graphical(const char *seat); + /* Get all seats, store in *seats. Returns the number of seats. If * seats is NULL only returns number of seats. */ int sd_get_seats(char ***seats); @@ -124,11 +156,15 @@ int sd_get_sessions(char ***sessions); * users. If users is NULL only returns the number of users. */ int sd_get_uids(uid_t **users); +/* Get all running virtual machines/containers */ +int sd_get_machine_names(char ***machines); + /* Monitor object */ typedef struct sd_login_monitor sd_login_monitor; /* Create a new monitor. Category must be NULL, "seat", "session", - * "uid" to get monitor events for the specific category (or all). */ + * "uid", "machine" to get monitor events for the specific category + * (or all). */ int sd_login_monitor_new(const char *category, sd_login_monitor** ret); /* Destroys the passed monitor. Returns NULL. */ @@ -140,6 +176,12 @@ int sd_login_monitor_flush(sd_login_monitor *m); /* Get FD from monitor */ int sd_login_monitor_get_fd(sd_login_monitor *m); +/* Get poll() mask to monitor */ +int sd_login_monitor_get_events(sd_login_monitor *m); + +/* Get timeout for poll(), as usec value relative to CLOCK_MONOTONIC's epoch */ +int sd_login_monitor_get_timeout(sd_login_monitor *m, uint64_t *timeout_usec); + #ifdef __cplusplus } #endif