X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=unit.h;h=2433cc7d7cf7e1ca6afcf436d63e898a6e2f358c;hb=9eba9da4bce4778b4d5dd43e2c41756976a1582b;hp=7803f3183cc9f7332f8d4f0ef4d140b18ec351a1;hpb=87f0e418cf2c58b3201d06a60e3696ec672d2662;p=elogind.git diff --git a/unit.h b/unit.h index 7803f3183..2433cc7d7 100644 --- a/unit.h +++ b/unit.h @@ -14,16 +14,13 @@ typedef enum UnitLoadState UnitLoadState; typedef enum UnitActiveState UnitActiveState; typedef enum UnitDependency UnitDependency; -#include "job.h" -#include "manager.h" #include "set.h" #include "util.h" #include "list.h" #include "socket-util.h" #include "execute.h" -#include "util.h" -#define UNIT_NAME_MAX 32 +#define UNIT_NAME_MAX 128 #define DEFAULT_TIMEOUT_USEC (20*USEC_PER_SEC) #define DEFAULT_RESTART_USEC (100*USEC_PER_MSEC) @@ -92,6 +89,9 @@ enum UnitDependency { _UNIT_DEPENDENCY_INVALID = -1 }; +#include "manager.h" +#include "job.h" + struct Meta { Manager *manager; UnitType type; @@ -103,6 +103,7 @@ struct Meta { Set *dependencies[_UNIT_DEPENDENCY_MAX]; char *description; + char *load_path; /* if loaded from a config file this is the primary path to it */ /* If there is something to do with this unit, then this is * the job for it */ @@ -115,6 +116,9 @@ struct Meta { /* Load queue */ LIST_FIELDS(Meta, load_queue); + + /* Per type list */ + LIST_FIELDS(Meta, units_per_type); }; #include "service.h" @@ -143,6 +147,7 @@ struct UnitVTable { int (*init)(Unit *u); void (*done)(Unit *u); + int (*coldplug)(Unit *u); void (*dump)(Unit *u, FILE *f, const char *prefix); @@ -156,11 +161,19 @@ struct UnitVTable { * a simpler one that the engine can understand */ UnitActiveState (*active_state)(Unit *u); - void (*fd_event)(Unit *u, int fd, uint32_t events); + void (*fd_event)(Unit *u, int fd, uint32_t events, Watch *w); void (*sigchld_event)(Unit *u, pid_t pid, int code, int status); - void (*timer_event)(Unit *u, int id, uint64_t n_elapsed); + void (*timer_event)(Unit *u, uint64_t n_elapsed, Watch *w); + + /* 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 + * inactive state. It is the job of the coldplug() call above + * to put the units into the initial state. */ + int (*enumerate)(Manager *m); - void (*retry)(Unit *u); + /* Type specific cleanups. */ + void (*shutdown)(Manager *m); }; extern const UnitVTable * const unit_vtable[_UNIT_TYPE_MAX]; @@ -197,6 +210,10 @@ void unit_free(Unit *u); int unit_add_name(Unit *u, const char *name); int unit_add_dependency(Unit *u, UnitDependency d, Unit *other); +int unit_add_dependency_by_name(Unit *u, UnitDependency d, const char *name); + +int unit_choose_id(Unit *u, const char *name); +int unit_set_description(Unit *u, const char *description); void unit_add_to_load_queue(Unit *u); @@ -221,15 +238,20 @@ int unit_reload(Unit *u); void unit_notify(Unit *u, UnitActiveState os, UnitActiveState ns); -int unit_watch_fd(Unit *u, int fd, uint32_t events); -void unit_unwatch_fd(Unit *u, int fd); +int unit_watch_fd(Unit *u, int fd, uint32_t events, Watch *w); +void unit_unwatch_fd(Unit *u, Watch *w); int unit_watch_pid(Unit *u, pid_t pid); void unit_unwatch_pid(Unit *u, pid_t pid); -int unit_watch_timer(Unit *u, usec_t delay, int *id); -void unit_unwatch_timer(Unit *u, int *id); +int unit_watch_timer(Unit *u, usec_t delay, Watch *w); +void unit_unwatch_timer(Unit *u, Watch *w); bool unit_job_is_applicable(Unit *u, JobType j); +const char *unit_path(void); +int set_unit_path(const char *p); + +char *unit_name_escape_path(const char *prefix, const char *path, const char *suffix); + #endif