logind: enforce a limit on inhibitors we hand out

[elogind.git] / src / login / logind.h

diff --git a/src/login/logind.h b/src/login/logind.h
index 29432823e654d9eecd1f731c64a8238697591ec5..752d4e399e86b2d3522f5a4174ffee28fb9160c0 100644 (file)
--- a/src/login/logind.h
+++ b/src/login/logind.h
@@ -1,5 +1,3 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
 #pragma once
 
 /***
@@ -22,23 +20,24 @@
 ***/
 
 #include <stdbool.h>
-#include <libudev.h>
 
-#include "config.h"
-#include "sd-event.h"
+#include "libudev.h"
 #include "sd-bus.h"
+#include "sd-event.h"
+
 #include "cgroup-util.h"
-#include "path-lookup.h"
-#include "list.h"
 #include "hashmap.h"
+#include "list.h"
+#include "path-lookup.h"
 #include "set.h"
 
 typedef struct Manager Manager;
 
+#include "logind-action.h"
+#include "logind-button.h"
 #include "logind-device.h"
 #include "logind-inhibit.h"
-#include "logind-button.h"
-#include "logind-action.h"
+#include "logind-sleep.h"
 
 struct Manager {
         sd_event *event;
@@ -78,8 +77,7 @@ struct Manager {
 
         int console_active_fd;
 
-/// elogind does not support autospawning of vts
-#if 0
+#if 0 /// elogind does not support autospawning of vts
         unsigned n_autovts;
 
         unsigned reserve_vt;
@@ -103,8 +101,7 @@ struct Manager {
          * this is != 0 and encodes what is being done */
         InhibitWhat action_what;
 
-/// elogind does all relevant actions on its own. No systemd jobs and units.
-#if 0
+#if 0 /// elogind does all relevant actions on its own. No systemd jobs and units.
         /* If a shutdown/suspend was delayed due to a inhibitor this
            contains the unit name we are supposed to start after the
            delay is over */
@@ -134,6 +131,8 @@ struct Manager {
         unsigned enable_wall_messages;
         sd_event_source *wall_message_timeout_source;
 
+        bool shutdown_dry_run;
+
         sd_event_source *idle_action_event_source;
         usec_t idle_action_usec;
         usec_t idle_action_not_before_usec;
@@ -162,6 +161,9 @@ struct Manager {
         sd_event_source *lid_switch_ignore_event_source;
 
         size_t runtime_dir_size;
+        uint64_t user_tasks_max;
+        uint64_t sessions_max;
+        uint64_t inhibitors_max;
 };
 
 int manager_add_device(Manager *m, const char *sysfs, bool master, Device **_device);
@@ -176,7 +178,9 @@ int manager_add_inhibitor(Manager *m, const char* id, Inhibitor **_inhibitor);
 int manager_process_seat_device(Manager *m, struct udev_device *d);
 int manager_process_button_device(Manager *m, struct udev_device *d);
 
-// UNNEEDED int manager_spawn_autovt(Manager *m, unsigned int vtnr);
+#if 0 /// UNNEEDED by elogind
+int manager_spawn_autovt(Manager *m, unsigned int vtnr);
+#endif // 0
 
 bool manager_shall_kill(Manager *m, const char *user);
 
@@ -185,34 +189,35 @@ int manager_get_idle_hint(Manager *m, dual_timestamp *t);
 int manager_get_user_by_pid(Manager *m, pid_t pid, User **user);
 int manager_get_session_by_pid(Manager *m, pid_t pid, Session **session);
 
-bool manager_is_docked(Manager *m);
-int manager_count_displays(Manager *m);
-bool manager_is_docked_or_multiple_displays(Manager *m);
+bool manager_is_docked_or_external_displays(Manager *m);
 
 extern const sd_bus_vtable manager_vtable[];
 
-// UNNEEDED int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error);
-// UNNEEDED int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error);
-// UNNEEDED int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error);
-// UNNEEDED int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error);
-// UNNEEDED int match_name_owner_changed(sd_bus_message *message, void *userdata, sd_bus_error *error);
+#if 0 /// UNNEEDED by elogind
+int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error);
+int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error);
+int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error);
+int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error);
+int match_name_owner_changed(sd_bus_message *message, void *userdata, sd_bus_error *error);
 
-/// eloginds own version does the action itself
-#if 0
 int bus_manager_shutdown_or_sleep_now_or_later(Manager *m, const char *unit_name, InhibitWhat w, sd_bus_error *error);
 #else
+/// eloginds own version does the action itself
 int bus_manager_shutdown_or_sleep_now_or_later(Manager *m, HandleAction action, InhibitWhat w, sd_bus_error *error);
 #endif // 0
 
 int manager_send_changed(Manager *manager, const char *property, ...) _sentinel_;
 
-// UNNEEDED int manager_start_scope(Manager *manager, const char *scope, pid_t pid, const char *slice, const char *description, const char *after, const char *after2, sd_bus_error *error, char **job);
-// UNNEEDED int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job);
-// UNNEEDED int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job);
-// UNNEEDED int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error);
-// UNNEEDED int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error);
-// UNNEEDED int manager_unit_is_active(Manager *manager, const char *unit);
-// UNNEEDED int manager_job_is_active(Manager *manager, const char *path);
+#if 0 /// UNNEEDED by elogind
+int manager_start_slice(Manager *manager, const char *slice, const char *description, const char *after, const char *after2, uint64_t tasks_max, sd_bus_error *error, char **job);
+int manager_start_scope(Manager *manager, const char *scope, pid_t pid, const char *slice, const char *description, const char *after, const char *after2, sd_bus_error *error, char **job);
+int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job);
+int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job);
+int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error);
+int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error);
+int manager_unit_is_active(Manager *manager, const char *unit);
+int manager_job_is_active(Manager *manager, const char *path);
+#endif // 0
 
 /* gperf lookup function */
 const struct ConfigPerfItem* logind_gperf_lookup(const char *key, GPERF_LEN_TYPE length);
@@ -225,5 +230,9 @@ int manager_get_session_from_creds(Manager *m, sd_bus_message *message, const ch
 int manager_get_user_from_creds(Manager *m, sd_bus_message *message, uid_t uid, sd_bus_error *error, User **ret);
 int manager_get_seat_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Seat **ret);
 
+#if 0 /// UNNEEDED by elogind
 int manager_setup_wall_message_timer(Manager *m);
 bool logind_wall_tty_filter(const char *tty, void *userdata);
+#endif // 0
+
+int manager_dispatch_delayed(Manager *manager, bool timeout);