X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;ds=sidebyside;f=src%2Funit.h;h=626bdc43af6b1a793a99d9f0c6011c93940cffa3;hb=7d17cfbc46306a106dbda0f3e92fbc0792d1e9e9;hp=717c928075589f860152f0d91ea99c773d65ddb6;hpb=7a6000a68241d23c9f6f6bde47b2cfa9c18189da;p=elogind.git diff --git a/src/unit.h b/src/unit.h index 717c92807..626bdc43a 100644 --- a/src/unit.h +++ b/src/unit.h @@ -32,6 +32,7 @@ typedef enum UnitType UnitType; typedef enum UnitLoadState UnitLoadState; typedef enum UnitActiveState UnitActiveState; typedef enum UnitDependency UnitDependency; +typedef struct UnitRef UnitRef; #include "set.h" #include "util.h" @@ -39,6 +40,7 @@ typedef enum UnitDependency UnitDependency; #include "socket-util.h" #include "execute.h" #include "condition.h" +#include "install.h" enum UnitType { UNIT_SERVICE = 0, @@ -118,6 +120,14 @@ enum UnitDependency { /* On Failure */ UNIT_ON_FAILURE, + /* Triggers (i.e. a socket triggers a service) */ + UNIT_TRIGGERS, + UNIT_TRIGGERED_BY, + + /* Propagate reloads */ + UNIT_PROPAGATE_RELOAD_TO, + UNIT_PROPAGATE_RELOAD_FROM, + /* Reference information for GC logic */ UNIT_REFERENCES, /* Inverse of 'references' is 'referenced_by' */ UNIT_REFERENCED_BY, @@ -129,6 +139,7 @@ enum UnitDependency { #include "manager.h" #include "job.h" #include "cgroup.h" +#include "cgroup-attr.h" struct Meta { Manager *manager; @@ -154,6 +165,9 @@ struct Meta { usec_t job_timeout; + /* References to this */ + LIST_HEAD(UnitRef, refs); + /* Conditions to check */ LIST_HEAD(Condition, conditions); @@ -166,9 +180,10 @@ struct Meta { /* Counterparts in the cgroup filesystem */ CGroupBonding *cgroup_bondings; + CGroupAttribute *cgroup_attributes; /* Per type list */ - LIST_FIELDS(Meta, units_per_type); + LIST_FIELDS(Meta, units_by_type); /* Load queue */ LIST_FIELDS(Meta, load_queue); @@ -192,6 +207,9 @@ struct Meta { /* Error code when we didn't manage to load the unit (negative) */ int load_error; + /* Cached unit file state */ + UnitFileState unit_file_state; + /* Garbage collect us we nobody wants or requires us anymore */ bool stop_when_unneeded; @@ -231,6 +249,15 @@ struct Meta { bool in_audit:1; }; +struct UnitRef { + /* Keeps tracks of references to a unit. This is useful so + * that we can merge two units if necessary and correct all + * references to them */ + + Unit* unit; + LIST_FIELDS(UnitRef, refs); +}; + #include "service.h" #include "timer.h" #include "socket.h" @@ -259,6 +286,13 @@ union Unit { struct UnitVTable { const char *suffix; + /* How much memory does an object of this unit type need */ + size_t object_size; + + /* Config file sections this unit type understands, separated + * by NUL chars */ + const char *sections; + /* This should reset all type-specific variables. This should * not allocate memory, and is called with zero-initialized * data. It should hence only initialize variables that need @@ -317,6 +351,9 @@ struct UnitVTable { void (*sigchld_event)(Unit *u, pid_t pid, int code, int status); void (*timer_event)(Unit *u, uint64_t n_elapsed, Watch *w); + /* Check whether unit needs a daemon reload */ + bool (*need_daemon_reload)(Unit *u); + /* Reset failed state if we are in failed state */ void (*reset_failed)(Unit *u); @@ -401,7 +438,7 @@ DEFINE_CAST(SNAPSHOT, Snapshot); DEFINE_CAST(SWAP, Swap); DEFINE_CAST(PATH, Path); -Unit *unit_new(Manager *m); +Unit *unit_new(Manager *m, size_t size); void unit_free(Unit *u); int unit_add_name(Unit *u, const char *name); @@ -421,6 +458,7 @@ int unit_add_cgroup(Unit *u, CGroupBonding *b); int unit_add_cgroup_from_text(Unit *u, const char *name); int unit_add_default_cgroups(Unit *u); CGroupBonding* unit_get_default_cgroup(Unit *u); +int unit_add_cgroup_attribute(Unit *u, const char *controller, const char *name, const char *value, CGroupAttributeMapCallback map_callback); int unit_choose_id(Unit *u, const char *name); int unit_set_description(Unit *u, const char *description); @@ -498,7 +536,7 @@ int unit_add_node_link(Unit *u, const char *what, bool wants); int unit_coldplug(Unit *u); -void unit_status_printf(Unit *u, const char *format, ...); +void unit_status_printf(Unit *u, const char *status, const char *format, ...); bool unit_need_daemon_reload(Unit *u); @@ -520,6 +558,13 @@ void unit_trigger_on_failure(Unit *u); bool unit_condition_test(Unit *u); +UnitFileState unit_get_unit_file_state(Unit *u); + +Unit* unit_ref_set(UnitRef *ref, Unit *u); +void unit_ref_unset(UnitRef *ref); + +#define UNIT_DEREF(ref) ((ref).unit) + const char *unit_load_state_to_string(UnitLoadState i); UnitLoadState unit_load_state_from_string(const char *s);