-/*-*- Mode: C; c-basic-offset: 8 -*-*/
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
#ifndef foojobhfoo
#define foojobhfoo
#include <stdbool.h>
#include <inttypes.h>
+#include <errno.h>
typedef struct Job Job;
typedef struct JobDependency JobDependency;
typedef enum JobType JobType;
typedef enum JobState JobState;
typedef enum JobMode JobMode;
+typedef enum JobResult JobResult;
#include "manager.h"
#include "unit.h"
#include "hashmap.h"
#include "list.h"
+/* Be careful when changing the job types! Adjust job_merging_table[] accordingly! */
enum JobType {
JOB_START, /* if a unit does not support being started, we'll just wait until it becomes active */
JOB_VERIFY_ACTIVE,
};
enum JobMode {
- JOB_FAIL,
- JOB_REPLACE,
- JOB_ISOLATE,
+ JOB_FAIL, /* Fail if a conflicting job is already queued */
+ JOB_REPLACE, /* Replace an existing conflicting job */
+ JOB_ISOLATE, /* Start a unit, and stop all others */
+ JOB_IGNORE_DEPENDENCIES, /* Ignore both requirement and ordering dependencies */
+ JOB_IGNORE_REQUIREMENTS, /* Ignore requirement dependencies */
_JOB_MODE_MAX,
_JOB_MODE_INVALID = -1
};
+enum JobResult {
+ JOB_DONE,
+ JOB_CANCELED,
+ JOB_TIMEOUT,
+ JOB_FAILED,
+ JOB_DEPENDENCY,
+ JOB_SKIPPED,
+ _JOB_RESULT_MAX,
+ _JOB_RESULT_INVALID = -1
+};
+
struct JobDependency {
/* Encodes that the 'subject' job needs the 'object' job in
* some way. This structure is used only while building a transaction. */
LIST_FIELDS(JobDependency, object);
bool matters;
+ bool conflicts;
};
struct Job {
DBusConnection *bus;
char *bus_client;
+ 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 failed:1;
+ bool ignore_order:1;
};
Job* job_new(Manager *m, JobType type, Unit *unit);
void job_free(Job *job);
void job_dump(Job *j, FILE*f, const char *prefix);
-JobDependency* job_dependency_new(Job *subject, Job *object, bool matters);
+JobDependency* job_dependency_new(Job *subject, Job *object, bool matters, bool conflicts);
void job_dependency_free(JobDependency *l);
-void job_dependency_delete(Job *subject, Job *object, bool *matters);
bool job_is_anchor(Job *j);
int job_merge(Job *j, Job *other);
-int job_type_merge(JobType *a, JobType b);
-bool job_type_is_mergeable(JobType a, JobType b);
-bool job_type_is_superset(JobType a, JobType b);
-bool job_type_is_conflicting(JobType a, JobType b);
+JobType job_type_lookup_merge(JobType a, JobType b);
+
+static inline int job_type_merge(JobType *a, JobType b) {
+ JobType t = job_type_lookup_merge(*a, b);
+ if (t < 0)
+ return -EEXIST;
+ *a = t;
+ return 0;
+}
+
+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);
+}
+
+static inline bool job_type_is_superset(JobType a, JobType b) {
+ /* Checks whether operation a is a "superset" of b in its actions */
+ return a == job_type_lookup_merge(a, b);
+}
+
bool job_type_is_redundant(JobType a, UnitActiveState b);
bool job_is_runnable(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, bool success);
+int job_finish_and_invalidate(Job *j, JobResult result);
char *job_dbus_path(Job *j);
const char* job_mode_to_string(JobMode t);
JobMode job_mode_from_string(const char *s);
+const char* job_result_to_string(JobResult t);
+JobResult job_result_from_string(const char *s);
+
#endif