/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-#ifndef foojobhfoo
-#define foojobhfoo
+#pragma once
/***
This file is part of systemd.
***/
#include <stdbool.h>
-#include <inttypes.h>
-#include <errno.h>
typedef struct Job Job;
typedef struct JobDependency JobDependency;
-typedef struct JobBusClient JobBusClient;
typedef enum JobType JobType;
typedef enum JobState JobState;
typedef enum JobMode JobMode;
_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,
enum JobMode {
JOB_FAIL, /* Fail if a conflicting job is already queued */
JOB_REPLACE, /* Replace an existing conflicting job */
+ JOB_REPLACE_IRREVERSIBLY,/* Like JOB_REPLACE + produce irreversible jobs */
JOB_ISOLATE, /* Start a unit, and stop all others */
+ JOB_FLUSH, /* Flush out all other queued jobs when queing this one */
JOB_IGNORE_DEPENDENCIES, /* Ignore both requirement and ordering dependencies */
JOB_IGNORE_REQUIREMENTS, /* Ignore requirement dependencies */
_JOB_MODE_MAX,
};
enum JobResult {
- JOB_DONE,
- JOB_CANCELED,
- JOB_TIMEOUT,
- JOB_FAILED,
- JOB_DEPENDENCY,
- JOB_SKIPPED,
+ JOB_DONE, /* Job completed successfully */
+ JOB_CANCELED, /* Job canceled by a conflicting job installation or by explicit cancel request */
+ 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_RESULT_MAX,
_JOB_RESULT_INVALID = -1
};
-#include "manager.h"
+#include "sd-event.h"
#include "unit.h"
-#include "hashmap.h"
#include "list.h"
struct JobDependency {
bool conflicts;
};
-struct JobBusClient {
- LIST_FIELDS(JobBusClient, client);
- /* Note that this bus object is not ref counted here. */
- DBusConnection *bus;
- char name[0];
-};
-
struct Job {
Manager *manager;
Unit *unit;
JobType type;
JobState state;
- Watch timer_watch;
+ sd_event_source *timer_event_source;
+ usec_t begin_usec;
- /* There can be more than one client, because of job merging. */
- LIST_HEAD(JobBusClient, bus_client_list);
+ /*
+ * 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 *clients;
+ char **deserialized_clients;
JobResult result;
bool in_dbus_queue:1;
bool sent_dbus_new_signal:1;
bool ignore_order:1;
- bool forgot_bus_clients:1;
+ bool irreversible:1;
};
-JobBusClient* job_bus_client_new(DBusConnection *connection, const char *name);
-
Job* job_new(Unit *unit, JobType type);
Job* job_new_raw(Unit *unit);
void job_free(Job *job);
int job_merge(Job *j, Job *other);
-JobType job_type_lookup_merge(JobType a, JobType b);
+JobType job_type_lookup_merge(JobType a, JobType b) _pure_;
-static inline bool job_type_is_mergeable(JobType a, JobType b) {
+_pure_ static inline bool job_type_is_mergeable(JobType a, JobType b) {
return job_type_lookup_merge(a, b) >= 0;
}
-static inline bool job_type_is_conflicting(JobType a, JobType b) {
- return !job_type_is_mergeable(a, b);
+_pure_ static inline bool job_type_is_conflicting(JobType a, JobType b) {
+ return a != JOB_NOP && b != JOB_NOP && !job_type_is_mergeable(a, b);
}
-static inline bool job_type_is_superset(JobType a, JobType 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);
}
-bool job_type_is_redundant(JobType a, UnitActiveState b);
+bool job_type_is_redundant(JobType a, UnitActiveState b) _pure_;
/* 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. */
int job_type_merge_and_collapse(JobType *a, JobType b, Unit *u);
-bool job_is_runnable(Job *j);
-
void job_add_to_run_queue(Job *j);
void job_add_to_dbus_queue(Job *j);
int job_start_timer(Job *j);
-void job_timer_event(Job *j, uint64_t n_elapsed, Watch *w);
int job_run_and_invalidate(Job *j);
int job_finish_and_invalidate(Job *j, JobResult result, bool recursive);
char *job_dbus_path(Job *j);
-const char* job_type_to_string(JobType t);
-JobType job_type_from_string(const char *s);
+void job_shutdown_magic(Job *j);
+
+const char* job_type_to_string(JobType t) _const_;
+JobType job_type_from_string(const char *s) _pure_;
-const char* job_state_to_string(JobState t);
-JobState job_state_from_string(const char *s);
+const char* job_state_to_string(JobState t) _const_;
+JobState job_state_from_string(const char *s) _pure_;
-const char* job_mode_to_string(JobMode t);
-JobMode job_mode_from_string(const char *s);
+const char* job_mode_to_string(JobMode t) _const_;
+JobMode job_mode_from_string(const char *s) _pure_;
-const char* job_result_to_string(JobResult t);
-JobResult job_result_from_string(const char *s);
+const char* job_result_to_string(JobResult t) _const_;
+JobResult job_result_from_string(const char *s) _pure_;
-#endif
+int job_get_timeout(Job *j, uint64_t *timeout) _pure_;
~ianmdlvl / elogind.git / blobdiff