typedef struct Unit Unit;
typedef struct UnitVTable UnitVTable;
typedef enum UnitActiveState UnitActiveState;
-typedef enum UnitDependency UnitDependency;
typedef struct UnitRef UnitRef;
typedef struct UnitStatusMessageFormats UnitStatusMessageFormats;
#include "condition.h"
#include "install.h"
#include "unit-name.h"
+#include "failure-action.h"
enum UnitActiveState {
UNIT_ACTIVE,
_UNIT_ACTIVE_STATE_INVALID = -1
};
+typedef enum KillOperation {
+ KILL_TERMINATE,
+ KILL_KILL,
+ KILL_ABORT,
+} KillOperation;
+
static inline bool UNIT_IS_ACTIVE_OR_RELOADING(UnitActiveState t) {
return t == UNIT_ACTIVE || t == UNIT_RELOADING;
}
return t == UNIT_INACTIVE || t == UNIT_FAILED;
}
-enum UnitDependency {
- /* Positive dependencies */
- UNIT_REQUIRES,
- UNIT_REQUIRES_OVERRIDABLE,
- UNIT_REQUISITE,
- UNIT_REQUISITE_OVERRIDABLE,
- UNIT_WANTS,
- UNIT_BINDS_TO,
- UNIT_PART_OF,
-
- /* Inverse of the above */
- UNIT_REQUIRED_BY, /* inverse of 'requires' and 'requisite' is 'required_by' */
- UNIT_REQUIRED_BY_OVERRIDABLE, /* inverse of 'requires_overridable' and 'requisite_overridable' is 'soft_required_by' */
- UNIT_WANTED_BY, /* inverse of 'wants' */
- UNIT_BOUND_BY, /* inverse of 'binds_to' */
- UNIT_CONSISTS_OF, /* inverse of 'part_of' */
-
- /* Negative dependencies */
- UNIT_CONFLICTS, /* inverse of 'conflicts' is 'conflicted_by' */
- UNIT_CONFLICTED_BY,
-
- /* Order */
- UNIT_BEFORE, /* inverse of 'before' is 'after' and vice versa */
- UNIT_AFTER,
-
- /* On Failure */
- UNIT_ON_FAILURE,
-
- /* Triggers (i.e. a socket triggers a service) */
- UNIT_TRIGGERS,
- UNIT_TRIGGERED_BY,
-
- /* Propagate reloads */
- UNIT_PROPAGATES_RELOAD_TO,
- UNIT_RELOAD_PROPAGATED_FROM,
-
- /* Joins namespace of */
- UNIT_JOINS_NAMESPACE_OF,
-
- /* Reference information for GC logic */
- UNIT_REFERENCES, /* Inverse of 'references' is 'referenced_by' */
- UNIT_REFERENCED_BY,
-
- _UNIT_DEPENDENCY_MAX,
- _UNIT_DEPENDENCY_INVALID = -1
-};
-
#include "manager.h"
#include "job.h"
/* JOB_NOP jobs are special and can be installed without disturbing the real job. */
Job *nop_job;
+ /* Job timeout and action to take */
usec_t job_timeout;
+ FailureAction job_timeout_action;
+ char *job_timeout_reboot_arg;
/* References to this */
LIST_HEAD(UnitRef, refs);
dual_timestamp active_exit_timestamp;
dual_timestamp inactive_enter_timestamp;
- /* Counterparts in the cgroup filesystem */
- char *cgroup_path;
- CGroupControllerMask cgroup_mask;
- CGroupControllerMask cgroup_members_mask;
-
UnitRef slice;
/* Per type list */
/* CGroup realize members queue */
LIST_FIELDS(Unit, cgroup_queue);
+ /* PIDs we keep an eye on. Note that a unit might have many
+ * more, but these are the ones we care enough about to
+ * process SIGCHLD for */
+ Set *pids;
+
/* Used during GC sweeps */
unsigned gc_marker;
/* Cached unit file state */
UnitFileState unit_file_state;
+ /* Counterparts in the cgroup filesystem */
+ char *cgroup_path;
+ CGroupControllerMask cgroup_realized_mask;
+ CGroupControllerMask cgroup_subtree_mask;
+ CGroupControllerMask cgroup_members_mask;
+
+ /* How to start OnFailure units */
+ JobMode on_failure_job_mode;
+
/* Garbage collect us we nobody wants or requires us anymore */
bool stop_when_unneeded;
/* Allow isolation requests */
bool allow_isolate;
- /* How to start OnFailure units */
- JobMode on_failure_job_mode;
-
/* Ignore this unit when isolating */
bool ignore_on_isolate;
bool in_audit:1;
bool cgroup_realized:1;
+ bool cgroup_members_mask_valid:1;
+ bool cgroup_subtree_mask_valid:1;
};
struct UnitStatusMessageFormats {
/* Called whenever CLOCK_REALTIME made a jump */
void (*time_change)(Unit *u);
+ int (*get_timeout)(Unit *u, uint64_t *timeout);
+
/* This is called for each unit type and should be used to
* enumerate existing devices and load them. However,
* everything that is loaded here should still stay in
int unit_load_fragment_and_dropin_optional(Unit *u);
int unit_load(Unit *unit);
-int unit_add_default_slice(Unit *u);
+int unit_add_default_slice(Unit *u, CGroupContext *c);
const char *unit_description(Unit *u) _pure_;
int unit_watch_pid(Unit *u, pid_t pid);
void unit_unwatch_pid(Unit *u, pid_t pid);
+int unit_watch_all_pids(Unit *u);
+void unit_unwatch_all_pids(Unit *u);
+
+void unit_tidy_watch_pids(Unit *u, pid_t except1, pid_t except2);
int unit_watch_bus_name(Unit *u, const char *name);
void unit_unwatch_bus_name(Unit *u, const char *name);
#define UNIT_DEREF(ref) ((ref).unit)
#define UNIT_ISSET(ref) (!!(ref).unit)
-int unit_exec_context_defaults(Unit *u, ExecContext *c);
+int unit_patch_contexts(Unit *u);
ExecContext *unit_get_exec_context(Unit *u) _pure_;
KillContext *unit_get_kill_context(Unit *u) _pure_;
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_remove_drop_in(Unit *u, UnitSetPropertiesMode mode, const char *name);
-int unit_kill_context(Unit *u, KillContext *c, bool sigkill, pid_t main_pid, pid_t control_pid, bool main_pid_alien);
+int unit_kill_context(Unit *u, KillContext *c, KillOperation k, pid_t main_pid, pid_t control_pid, bool main_pid_alien);
int unit_make_transient(Unit *u);
const char *unit_active_state_to_string(UnitActiveState i) _const_;
UnitActiveState unit_active_state_from_string(const char *s) _pure_;
-const char *unit_dependency_to_string(UnitDependency i) _const_;
-UnitDependency unit_dependency_from_string(const char *s) _pure_;
-
/* Macros which append UNIT= or USER_UNIT= to the message */
#define log_full_unit(level, unit, ...) log_meta_object(level, __FILE__, __LINE__, __func__, getpid() == 1 ? "UNIT=" : "USER_UNIT=", unit, __VA_ARGS__)