diff options
Diffstat (limited to 'src/core/unit.h')
| -rw-r--r-- | src/core/unit.h | 64 |
1 files changed, 50 insertions, 14 deletions
diff --git a/src/core/unit.h b/src/core/unit.h index 1eabfa51e2..991543664b 100644 --- a/src/core/unit.h +++ b/src/core/unit.h @@ -29,7 +29,7 @@ typedef struct UnitRef UnitRef; typedef struct UnitStatusMessageFormats UnitStatusMessageFormats; #include "condition.h" -#include "failure-action.h" +#include "emergency-action.h" #include "install.h" #include "list.h" #include "unit-name.h" @@ -108,9 +108,13 @@ struct Unit { /* The slot used for watching NameOwnerChanged signals */ sd_bus_slot *match_bus_slot; + /* References to this unit from clients */ + sd_bus_track *bus_track; + char **deserialized_refs; + /* Job timeout and action to take */ usec_t job_timeout; - FailureAction job_timeout_action; + EmergencyAction job_timeout_action; char *job_timeout_reboot_arg; /* References to this */ @@ -174,18 +178,23 @@ struct Unit { /* Put a ratelimit on unit starting */ RateLimit start_limit; - FailureAction start_limit_action; + EmergencyAction start_limit_action; char *reboot_arg; /* Make sure we never enter endless loops with the check unneeded logic, or the BindsTo= logic */ RateLimit auto_stop_ratelimit; + /* Reference to a specific UID/GID */ + uid_t ref_uid; + gid_t ref_gid; + /* Cached unit file state and preset */ UnitFileState unit_file_state; int unit_file_preset; - /* Where the cpuacct.usage cgroup counter was at the time the unit was started */ - nsec_t cpuacct_usage_base; + /* Where the cpu.stat or cpuacct.usage was at the time the unit was started */ + nsec_t cpu_usage_base; + nsec_t cpu_usage_last; /* the most recently read value */ /* Counterparts in the cgroup filesystem */ char *cgroup_path; @@ -195,11 +204,13 @@ struct Unit { CGroupMask cgroup_members_mask; int cgroup_inotify_wd; - uint32_t cgroup_netclass_id; - /* How to start OnFailure units */ JobMode on_failure_job_mode; + /* The current invocation ID */ + sd_id128_t invocation_id; + char invocation_id_string[SD_ID128_STRING_MAX]; /* useful when logging */ + /* Garbage collect us we nobody wants or requires us anymore */ bool stop_when_unneeded; @@ -225,6 +236,9 @@ struct Unit { /* Is this a transient unit? */ bool transient; + /* Is this a unit that is always running and cannot be stopped? */ + bool perpetual; + bool in_load_queue:1; bool in_dbus_queue:1; bool in_cleanup_queue:1; @@ -233,8 +247,6 @@ struct Unit { bool sent_dbus_new_signal:1; - bool no_gc:1; - bool in_audit:1; bool cgroup_realized:1; @@ -245,6 +257,9 @@ struct Unit { /* Did we already invoke unit_coldplug() for this unit? */ bool coldplugged:1; + + /* For transient units: whether to add a bus track reference after creating the unit */ + bool bus_track_add:1; }; struct UnitStatusMessageFormats { @@ -291,6 +306,10 @@ struct UnitVTable { * that */ size_t exec_runtime_offset; + /* If greater than 0, the offset into the object where the pointer to DynamicCreds is found, if the unit type + * has that. */ + size_t dynamic_creds_offset; + /* The name of the configuration file section with the private settings of this unit */ const char *private_section; @@ -354,7 +373,7 @@ struct UnitVTable { /* When the unit is not running and no job for it queued we * shall release its runtime resources */ - void (*release_resources)(Unit *u); + void (*release_resources)(Unit *u, bool inactive); /* Invoked on every child that died */ void (*sigchld_event)(Unit *u, pid_t pid, int code, int status); @@ -369,8 +388,7 @@ struct UnitVTable { /* Called whenever a process of this unit sends us a message */ void (*notify_message)(Unit *u, pid_t pid, char **tags, FDSet *fds); - /* Called whenever a name this Unit registered for comes or - * goes away. */ + /* Called whenever a name this Unit registered for comes or goes away. */ void (*bus_name_owner_change)(Unit *u, const char *name, const char *old_owner, const char *new_owner); /* Called for each property that is being set */ @@ -463,6 +481,7 @@ DEFINE_CAST(SCOPE, Scope); Unit *unit_new(Manager *m, size_t size); void unit_free(Unit *u); +int unit_new_for_name(Manager *m, size_t size, const char *name, Unit **ret); int unit_add_name(Unit *u, const char *name); int unit_add_dependency(Unit *u, UnitDependency d, Unit *other, bool add_reference); @@ -507,6 +526,7 @@ void unit_dump(Unit *u, FILE *f, const char *prefix); bool unit_can_reload(Unit *u) _pure_; bool unit_can_start(Unit *u) _pure_; +bool unit_can_stop(Unit *u) _pure_; bool unit_can_isolate(Unit *u) _pure_; int unit_start(Unit *u); @@ -533,6 +553,7 @@ bool unit_job_is_applicable(Unit *u, JobType j); int set_unit_path(const char *p); char *unit_dbus_path(Unit *u); +char *unit_dbus_path_invocation_id(Unit *u); int unit_load_related_unit(Unit *u, const char *type, Unit **_found); @@ -589,6 +610,7 @@ CGroupContext *unit_get_cgroup_context(Unit *u) _pure_; ExecRuntime *unit_get_exec_runtime(Unit *u) _pure_; int unit_setup_exec_runtime(Unit *u); +int unit_setup_dynamic_creds(Unit *u); int unit_write_drop_in(Unit *u, UnitSetPropertiesMode mode, const char *name, const char *data); int unit_write_drop_in_format(Unit *u, UnitSetPropertiesMode mode, const char *name, const char *format, ...) _printf_(4,5); @@ -618,12 +640,26 @@ int unit_fail_if_symlink(Unit *u, const char* where); int unit_start_limit_test(Unit *u); +void unit_unref_uid(Unit *u, bool destroy_now); +int unit_ref_uid(Unit *u, uid_t uid, bool clean_ipc); + +void unit_unref_gid(Unit *u, bool destroy_now); +int unit_ref_gid(Unit *u, gid_t gid, bool clean_ipc); + +int unit_ref_uid_gid(Unit *u, uid_t uid, gid_t gid); +void unit_unref_uid_gid(Unit *u, bool destroy_now); + +void unit_notify_user_lookup(Unit *u, uid_t uid, gid_t gid); + +int unit_set_invocation_id(Unit *u, sd_id128_t id); +int unit_acquire_invocation_id(Unit *u); + /* Macros which append UNIT= or USER_UNIT= to the message */ #define log_unit_full(unit, level, error, ...) \ ({ \ - Unit *_u = (unit); \ - _u ? log_object_internal(level, error, __FILE__, __LINE__, __func__, _u->manager->unit_log_field, _u->id, ##__VA_ARGS__) : \ + const Unit *_u = (unit); \ + _u ? log_object_internal(level, error, __FILE__, __LINE__, __func__, _u->manager->unit_log_field, _u->id, _u->manager->invocation_log_field, _u->invocation_id_string, ##__VA_ARGS__) : \ log_internal(level, error, __FILE__, __LINE__, __func__, ##__VA_ARGS__); \ }) |