#include <stdbool.h>
#include <inttypes.h>
+#include <errno.h>
typedef struct Job Job;
typedef struct JobDependency JobDependency;
#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_IGNORE_DEPENDENCIES,
+ 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
};
bool override:1;
bool in_dbus_queue:1;
bool sent_dbus_new_signal:1;
- bool ignore_deps:1;
+ bool ignore_order:1;
};
Job* job_new(Manager *m, JobType type, Unit *unit);
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);