summaryrefslogtreecommitdiff
path: root/src/core/manager.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/core/manager.h')
-rw-r--r--src/core/manager.h115
1 files changed, 81 insertions, 34 deletions
diff --git a/src/core/manager.h b/src/core/manager.h
index 4ef869d14a..29fe14e10b 100644
--- a/src/core/manager.h
+++ b/src/core/manager.h
@@ -1,5 +1,3 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
#pragma once
/***
@@ -21,13 +19,15 @@
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
+#include <libmount.h>
#include <stdbool.h>
#include <stdio.h>
#include "sd-bus.h"
#include "sd-event.h"
-#include "fdset.h"
+
#include "cgroup-util.h"
+#include "fdset.h"
#include "hashmap.h"
#include "list.h"
#include "ratelimit.h"
@@ -62,17 +62,25 @@ typedef enum ManagerExitCode {
_MANAGER_EXIT_CODE_INVALID = -1
} ManagerExitCode;
+typedef enum CADBurstAction {
+ CAD_BURST_ACTION_IGNORE,
+ CAD_BURST_ACTION_REBOOT,
+ CAD_BURST_ACTION_POWEROFF,
+ _CAD_BURST_ACTION_MAX,
+ _CAD_BURST_ACTION_INVALID = -1
+} CADBurstAction;
+
typedef enum StatusType {
STATUS_TYPE_EPHEMERAL,
STATUS_TYPE_NORMAL,
STATUS_TYPE_EMERGENCY,
} StatusType;
+#include "execute.h"
#include "job.h"
#include "path-lookup.h"
-#include "execute.h"
-#include "unit-name.h"
#include "show-status.h"
+#include "unit-name.h"
struct Manager {
/* Note that the set of units we know of is allowed to be
@@ -81,6 +89,7 @@ struct Manager {
/* Active jobs and units */
Hashmap *units; /* name string => Unit object n:1 */
+ Hashmap *units_by_invocation_id;
Hashmap *jobs; /* job id => Job object 1:1 */
/* To make it easy to iterate through the units of a specific
@@ -132,6 +141,9 @@ struct Manager {
int notify_fd;
sd_event_source *notify_event_source;
+ int cgroups_agent_fd;
+ sd_event_source *cgroups_agent_event_source;
+
int signal_fd;
sd_event_source *signal_event_source;
@@ -140,8 +152,10 @@ struct Manager {
sd_event_source *jobs_in_progress_event_source;
- unsigned n_snapshots;
+ int user_lookup_fds[2];
+ sd_event_source *user_lookup_event_source;
+ UnitFileScope unit_file_scope;
LookupPaths lookup_paths;
Set *unit_path_cache;
@@ -164,10 +178,6 @@ struct Manager {
dual_timestamp units_load_start_timestamp;
dual_timestamp units_load_finish_timestamp;
- char *generator_unit_path;
- char *generator_unit_path_early;
- char *generator_unit_path_late;
-
struct udev* udev;
/* Data specific to the device subsystem */
@@ -176,10 +186,8 @@ struct Manager {
Hashmap *devices_by_sysfs;
/* Data specific to the mount subsystem */
- FILE *proc_self_mountinfo;
+ struct libmnt_monitor *mount_monitor;
sd_event_source *mount_event_source;
- int utab_inotify_fd;
- sd_event_source *mount_utab_event_source;
/* Data specific to the swap filesystem */
FILE *proc_swaps;
@@ -215,28 +223,36 @@ struct Manager {
/* Data specific to the cgroup subsystem */
Hashmap *cgroup_unit;
- CGroupControllerMask cgroup_supported;
+ CGroupMask cgroup_supported;
char *cgroup_root;
- int gc_marker;
- unsigned n_in_gc_queue;
+ /* Notifications from cgroups, when the unified hierarchy is
+ * used is done via inotify. */
+ int cgroup_inotify_fd;
+ sd_event_source *cgroup_inotify_event_source;
+ Hashmap *cgroup_inotify_wd_unit;
/* Make sure the user cannot accidentally unmount our cgroup
* file system */
int pin_cgroupfs_fd;
+ int gc_marker;
+ unsigned n_in_gc_queue;
+
/* Flags */
- ManagerRunningAs running_as;
ManagerExitCode exit_code:5;
bool dispatching_load_queue:1;
bool dispatching_dbus_queue:1;
bool taint_usr:1;
- bool first_boot:1;
-
bool test_run:1;
+ /* If non-zero, exit with the following value when the systemd
+ * process terminate. Useful for containers: systemd-nspawn could get
+ * the return value. */
+ uint8_t return_value;
+
ShowStatus show_status;
bool confirm_spawn;
bool no_console_output;
@@ -250,8 +266,11 @@ struct Manager {
bool default_cpu_accounting;
bool default_memory_accounting;
+ bool default_io_accounting;
bool default_blockio_accounting;
+ bool default_tasks_accounting;
+ uint64_t default_tasks_max;
usec_t default_timer_accuracy_usec;
struct rlimit *rlimit[_RLIMIT_MAX];
@@ -284,38 +303,52 @@ struct Manager {
* value where Unit objects are contained. */
Hashmap *units_requiring_mounts_for;
- /* Reference to the kdbus bus control fd */
- int kdbus_fd;
-
/* Used for processing polkit authorization responses */
Hashmap *polkit_registry;
- /* When the user hits C-A-D more than 7 times per 2s, reboot immediately... */
+ /* Dynamic users/groups, indexed by their name */
+ Hashmap *dynamic_users;
+
+ /* Keep track of all UIDs and GIDs any of our services currently use. This is useful for the RemoveIPC= logic. */
+ Hashmap *uid_refs;
+ Hashmap *gid_refs;
+
+ /* When the user hits C-A-D more than 7 times per 2s, do something immediately... */
RateLimit ctrl_alt_del_ratelimit;
+ CADBurstAction cad_burst_action;
const char *unit_log_field;
const char *unit_log_format_string;
+
+ const char *invocation_log_field;
+ const char *invocation_log_format_string;
+
+ int first_boot; /* tri-state */
};
-int manager_new(ManagerRunningAs running_as, bool test_run, Manager **m);
+#define MANAGER_IS_SYSTEM(m) ((m)->unit_file_scope == UNIT_FILE_SYSTEM)
+#define MANAGER_IS_USER(m) ((m)->unit_file_scope != UNIT_FILE_SYSTEM)
+
+#define MANAGER_IS_RELOADING(m) ((m)->n_reloading > 0)
+
+int manager_new(UnitFileScope scope, bool test_run, Manager **m);
Manager* manager_free(Manager *m);
-int manager_enumerate(Manager *m);
+void manager_enumerate(Manager *m);
int manager_startup(Manager *m, FILE *serialization, FDSet *fds);
Job *manager_get_job(Manager *m, uint32_t id);
Unit *manager_get_unit(Manager *m, const char *name);
-int manager_get_unit_by_path(Manager *m, const char *path, const char *suffix, Unit **_found);
-
int manager_get_job_from_dbus_path(Manager *m, const char *s, Job **_j);
int manager_load_unit_prepare(Manager *m, const char *name, const char *path, sd_bus_error *e, Unit **_ret);
int manager_load_unit(Manager *m, const char *name, const char *path, sd_bus_error *e, Unit **_ret);
int manager_load_unit_from_dbus_path(Manager *m, const char *s, sd_bus_error *e, Unit **_u);
-int manager_add_job(Manager *m, JobType type, Unit *unit, JobMode mode, bool force, sd_bus_error *e, Job **_ret);
-int manager_add_job_by_name(Manager *m, JobType type, const char *name, JobMode mode, bool force, sd_bus_error *e, Job **_ret);
+int manager_add_job(Manager *m, JobType type, Unit *unit, JobMode mode, sd_bus_error *e, Job **_ret);
+int manager_add_job_by_name(Manager *m, JobType type, const char *name, JobMode mode, sd_bus_error *e, Job **_ret);
+int manager_add_job_by_name_and_warn(Manager *m, JobType type, const char *name, JobMode mode, Job **ret);
void manager_dump_units(Manager *s, FILE *f, const char *prefix);
void manager_dump_jobs(Manager *s, FILE *f, const char *prefix);
@@ -329,8 +362,6 @@ int manager_set_default_rlimits(Manager *m, struct rlimit **default_rlimit);
int manager_loop(Manager *m);
-void manager_dispatch_bus_name_owner_changed(Manager *m, const char *name, const char* old_owner, const char *new_owner);
-
int manager_open_serialization(Manager *m, FILE **_f);
int manager_serialize(Manager *m, FILE *f, FDSet *fds, bool switching_root);
@@ -338,8 +369,6 @@ int manager_deserialize(Manager *m, FILE *f, FDSet *fds);
int manager_reload(Manager *m);
-bool manager_is_reloading_or_reexecuting(Manager *m) _pure_;
-
void manager_reset_failed(Manager *m);
void manager_send_unit_audit(Manager *m, Unit *u, int type, bool success);
@@ -363,7 +392,25 @@ const char *manager_get_runtime_prefix(Manager *m);
ManagerState manager_state(Manager *m);
-void manager_update_failed_units(Manager *m, Unit *u, bool failed);
+int manager_update_failed_units(Manager *m, Unit *u, bool failed);
+
+void manager_unref_uid(Manager *m, uid_t uid, bool destroy_now);
+int manager_ref_uid(Manager *m, uid_t uid, bool clean_ipc);
+
+void manager_unref_gid(Manager *m, gid_t gid, bool destroy_now);
+int manager_ref_gid(Manager *m, gid_t gid, bool destroy_now);
+
+void manager_vacuum_uid_refs(Manager *m);
+void manager_vacuum_gid_refs(Manager *m);
+
+void manager_serialize_uid_refs(Manager *m, FILE *f);
+void manager_deserialize_uid_refs_one(Manager *m, const char *value);
+
+void manager_serialize_gid_refs(Manager *m, FILE *f);
+void manager_deserialize_gid_refs_one(Manager *m, const char *value);
const char *manager_state_to_string(ManagerState m) _const_;
ManagerState manager_state_from_string(const char *s) _pure_;
+
+const char *cad_burst_action_to_string(CADBurstAction a) _const_;
+CADBurstAction cad_burst_action_from_string(const char *s) _pure_;
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-08-15 03:56:40 +0000