-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
#pragma once
/***
***/
#include <stdbool.h>
-#include <inttypes.h>
-#include <errno.h>
+
+#include "sd-event.h"
+
+#include "list.h"
+#include "unit-name.h"
typedef struct Job Job;
typedef struct JobDependency JobDependency;
_JOB_TYPE_MAX_MERGING,
/* JOB_NOP can enter into a transaction, but as it won't pull in
- * any dependencies, it won't have to merge with anything.
- * job_install() avoids the problem of merging JOB_NOP too (it's
- * special-cased, only merges with other JOB_NOPs). */
+ * any dependencies and it uses the special 'nop_job' slot in Unit,
+ * it won't have to merge with anything (except possibly into another
+ * JOB_NOP, previously installed). JOB_NOP is special-cased in
+ * job_type_is_*() functions so that the transaction can be
+ * activated. */
JOB_NOP = _JOB_TYPE_MAX_MERGING, /* do nothing */
_JOB_TYPE_MAX_IN_TRANSACTION,
* Thus we never need to merge it with anything. */
JOB_TRY_RESTART = _JOB_TYPE_MAX_IN_TRANSACTION, /* if running, stop and then start */
+ /* Similar to JOB_TRY_RESTART but collapses to JOB_RELOAD or JOB_NOP */
+ JOB_TRY_RELOAD,
+
/* JOB_RELOAD_OR_START won't enter into a transaction and cannot result
* from transaction merging (there's no way for JOB_RELOAD and
* JOB_START to meet in one transaction). It can result from a merge
enum JobResult {
JOB_DONE, /* Job completed successfully */
JOB_CANCELED, /* Job canceled by a conflicting job installation or by explicit cancel request */
- JOB_TIMEOUT, /* JobTimeout elapsed */
+ JOB_TIMEOUT, /* Job timeout elapsed */
JOB_FAILED, /* Job failed */
JOB_DEPENDENCY, /* A required dependency job did not result in JOB_DONE */
JOB_SKIPPED, /* Negative result of JOB_VERIFY_ACTIVE */
JOB_INVALID, /* JOB_RELOAD of inactive unit */
+ JOB_ASSERT, /* Couldn't start a unit, because an assert didn't hold */
+ JOB_UNSUPPORTED, /* Couldn't start a unit, because the unit type is not supported on the system */
+ JOB_COLLECTED, /* Job was garbage collected, since nothing needed it anymore */
_JOB_RESULT_MAX,
_JOB_RESULT_INVALID = -1
};
-#include "sd-event.h"
-#include "manager.h"
#include "unit.h"
-#include "hashmap.h"
-#include "list.h"
struct JobDependency {
/* Encodes that the 'subject' job needs the 'object' job in
LIST_FIELDS(JobDependency, subject);
LIST_FIELDS(JobDependency, object);
- bool matters;
- bool conflicts;
+ bool matters:1;
+ bool conflicts:1;
};
struct Job {
LIST_FIELDS(Job, transaction);
LIST_FIELDS(Job, run_queue);
LIST_FIELDS(Job, dbus_queue);
+ LIST_FIELDS(Job, gc_queue);
LIST_HEAD(JobDependency, subject_list);
LIST_HEAD(JobDependency, object_list);
sd_event_source *timer_event_source;
usec_t begin_usec;
-
- /* There can be more than one client, because of job merging. */
- Set *subscribed;
+ usec_t begin_running_usec;
+
+ /*
+ * This tracks where to send signals, and also which clients
+ * are allowed to call DBus methods on the job (other than
+ * root).
+ *
+ * There can be more than one client, because of job merging.
+ */
+ sd_bus_track *bus_track;
+ char **deserialized_clients;
JobResult result;
bool installed:1;
bool in_run_queue:1;
bool matters_to_anchor:1;
- bool override:1;
bool in_dbus_queue:1;
bool sent_dbus_new_signal:1;
bool ignore_order:1;
bool irreversible:1;
+ bool in_gc_queue:1;
+ bool ref_by_private_bus:1;
};
Job* job_new(Unit *unit, JobType type);
int job_install_deserialized(Job *j);
void job_uninstall(Job *j);
void job_dump(Job *j, FILE*f, const char *prefix);
-int job_serialize(Job *j, FILE *f, FDSet *fds);
-int job_deserialize(Job *j, FILE *f, FDSet *fds);
+int job_serialize(Job *j, FILE *f);
+int job_deserialize(Job *j, FILE *f);
int job_coldplug(Job *j);
JobDependency* job_dependency_new(Job *subject, Job *object, bool matters, bool conflicts);
}
_pure_ static inline bool job_type_is_conflicting(JobType a, JobType b) {
- return !job_type_is_mergeable(a, b);
+ return a != JOB_NOP && b != JOB_NOP && !job_type_is_mergeable(a, b);
}
_pure_ static inline bool job_type_is_superset(JobType a, JobType b) {
/* Checks whether operation a is a "superset" of b in its actions */
+ if (b == JOB_NOP)
+ return true;
+ if (a == JOB_NOP)
+ return false;
return a == job_type_lookup_merge(a, b);
}
/* Collapses a state-dependent job type into a simpler type by observing
* the state of the unit which it is going to be applied to. */
-void job_type_collapse(JobType *t, Unit *u);
+JobType job_type_collapse(JobType t, Unit *u);
int job_type_merge_and_collapse(JobType *a, JobType b, Unit *u);
void job_add_to_run_queue(Job *j);
void job_add_to_dbus_queue(Job *j);
-int job_start_timer(Job *j);
+int job_start_timer(Job *j, bool job_running);
int job_run_and_invalidate(Job *j);
-int job_finish_and_invalidate(Job *j, JobResult result, bool recursive);
+int job_finish_and_invalidate(Job *j, JobResult result, bool recursive, bool already);
char *job_dbus_path(Job *j);
void job_shutdown_magic(Job *j);
+int job_get_timeout(Job *j, usec_t *timeout) _pure_;
+
+bool job_check_gc(Job *j);
+void job_add_to_gc_queue(Job *j);
+
+int job_get_before(Job *j, Job*** ret);
+int job_get_after(Job *j, Job*** ret);
+
const char* job_type_to_string(JobType t) _const_;
JobType job_type_from_string(const char *s) _pure_;
const char* job_result_to_string(JobResult t) _const_;
JobResult job_result_from_string(const char *s) _pure_;
-int job_get_timeout(Job *j, uint64_t *timeout) _pure_;
+const char* job_type_to_access_method(JobType t);
projects / thirdparty / systemd.git / blobdiff