97 lines
2.4 KiB
C
97 lines
2.4 KiB
C
/*-*- Mode: C; c-basic-offset: 8 -*-*/
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#ifndef foomanagerhfoo
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#define foomanagerhfoo
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#include <stdbool.h>
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#include <inttypes.h>
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#include <stdio.h>
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typedef struct Manager Manager;
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typedef enum WatchType WatchType;
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typedef struct Watch Watch;
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enum WatchType {
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WATCH_INVALID,
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WATCH_SIGNAL_FD,
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WATCH_FD,
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WATCH_TIMER
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};
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struct Watch {
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int fd;
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WatchType type;
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union Unit *unit;
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};
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#include "unit.h"
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#include "job.h"
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#include "hashmap.h"
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#include "list.h"
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#include "set.h"
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typedef enum SpecialUnit {
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SPECIAL_SYSLOG_SERVICE,
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SPECIAL_DBUS_SERVICE,
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SPECIAL_LOGGER_SOCKET,
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SPECIAL_CTRL_ALT_DEL_TARGET,
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SPECIAL_KBREQUEST_TARGET,
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_SPECIAL_UNIT_MAX
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} SpecialUnit;
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struct Manager {
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uint32_t current_job_id;
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/* Note that the set of units we know of is allowed to be
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* incosistent. However the subset of it that is loaded may
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* not, and the list of jobs may neither. */
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/* Active jobs and units */
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Hashmap *units; /* name string => Unit object n:1 */
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Hashmap *jobs; /* job id => Job object 1:1 */
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/* Units that need to be loaded */
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LIST_HEAD(Meta, load_queue); /* this is actually more a stack than a queue, but uh. */
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/* Jobs that need to be run */
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LIST_HEAD(Job, run_queue); /* more a stack than a queue, too */
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/* Jobs to be added */
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Hashmap *transaction_jobs; /* Unit object => Job object list 1:1 */
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JobDependency *transaction_anchor;
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bool dispatching_load_queue:1;
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bool dispatching_run_queue:1;
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Hashmap *watch_pids; /* pid => Unit object n:1 */
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int epoll_fd;
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Watch signal_watch;
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Unit *special_units[_SPECIAL_UNIT_MAX]; /* some special units */
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struct udev* udev;
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};
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Manager* manager_new(void);
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void manager_free(Manager *m);
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Job *manager_get_job(Manager *m, uint32_t id);
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Unit *manager_get_unit(Manager *m, const char *name);
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int manager_load_unit(Manager *m, const char *path_or_name, Unit **_ret);
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int manager_add_job(Manager *m, JobType type, Unit *unit, JobMode mode, bool force, Job **_ret);
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void manager_dump_units(Manager *s, FILE *f, const char *prefix);
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void manager_dump_jobs(Manager *s, FILE *f, const char *prefix);
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void manager_transaction_unlink_job(Manager *m, Job *j);
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void manager_clear_jobs(Manager *m);
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void manager_dispatch_run_queue(Manager *m);
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int manager_loop(Manager *m);
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#endif
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