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-rw-r--r--src/core/job.c163
-rw-r--r--src/core/job.h44
-rw-r--r--src/core/manager.c2
-rw-r--r--src/core/transaction.c18
-rw-r--r--src/core/unit.c29
-rw-r--r--src/core/unit.h6
-rw-r--r--src/test/test-job-type.c91
7 files changed, 233 insertions, 120 deletions
diff --git a/src/core/job.c b/src/core/job.c
index bd25a63d89..301d83a9dc 100644
--- a/src/core/job.c
+++ b/src/core/job.c
@@ -60,6 +60,7 @@ Job* job_new_raw(Unit *unit) {
j->manager = unit->manager;
j->unit = unit;
+ j->type = _JOB_TYPE_INVALID;
j->timer_watch.type = WATCH_INVALID;
return j;
@@ -115,15 +116,21 @@ void job_free(Job *j) {
}
void job_uninstall(Job *j) {
+ Job **pj;
+
assert(j->installed);
- assert(j->unit->job == j);
+
+ pj = (j->type == JOB_NOP) ? &j->unit->nop_job : &j->unit->job;
+ assert(*pj == j);
+
/* Detach from next 'bigger' objects */
/* daemon-reload should be transparent to job observers */
if (j->manager->n_reloading <= 0)
bus_job_send_removed_signal(j);
- j->unit->job = NULL;
+ *pj = NULL;
+
unit_add_to_gc_queue(j->unit);
hashmap_remove(j->manager->jobs, UINT32_TO_PTR(j->id));
@@ -144,31 +151,38 @@ static bool job_type_allows_late_merge(JobType t) {
* patched into JOB_START after stopping the unit. So if we see a
* JOB_RESTART running, it means the unit hasn't stopped yet and at
* this time the merge is still allowed. */
- return !(t == JOB_RELOAD || t == JOB_RELOAD_OR_START);
+ return t != JOB_RELOAD;
}
static void job_merge_into_installed(Job *j, Job *other) {
assert(j->installed);
assert(j->unit == other->unit);
- j->type = job_type_lookup_merge(j->type, other->type);
- assert(j->type >= 0);
+ if (j->type != JOB_NOP)
+ job_type_merge_and_collapse(&j->type, other->type, j->unit);
+ else
+ assert(other->type == JOB_NOP);
j->override = j->override || other->override;
}
Job* job_install(Job *j) {
- Job *uj = j->unit->job;
+ Job **pj;
+ Job *uj;
assert(!j->installed);
+ assert(j->type < _JOB_TYPE_MAX_IN_TRANSACTION);
+
+ pj = (j->type == JOB_NOP) ? &j->unit->nop_job : &j->unit->job;
+ uj = *pj;
if (uj) {
- if (job_type_is_conflicting(uj->type, j->type))
+ if (j->type != JOB_NOP && job_type_is_conflicting(uj->type, j->type))
job_finish_and_invalidate(uj, JOB_CANCELED, true);
else {
/* not conflicting, i.e. mergeable */
- if (uj->state == JOB_WAITING ||
+ if (j->type == JOB_NOP || uj->state == JOB_WAITING ||
(job_type_allows_late_merge(j->type) && job_type_is_superset(uj->type, j->type))) {
job_merge_into_installed(uj, j);
log_debug("Merged into installed job %s/%s as %u",
@@ -189,23 +203,33 @@ Job* job_install(Job *j) {
}
/* Install the job */
- j->unit->job = j;
+ *pj = j;
j->installed = true;
j->manager->n_installed_jobs ++;
log_debug("Installed new job %s/%s as %u", j->unit->id, job_type_to_string(j->type), (unsigned) j->id);
return j;
}
-void job_install_deserialized(Job *j) {
+int job_install_deserialized(Job *j) {
+ Job **pj;
+
assert(!j->installed);
- if (j->unit->job) {
+ if (j->type < 0 || j->type >= _JOB_TYPE_MAX_IN_TRANSACTION) {
+ log_debug("Invalid job type %s in deserialization.", strna(job_type_to_string(j->type)));
+ return -EINVAL;
+ }
+
+ pj = (j->type == JOB_NOP) ? &j->unit->nop_job : &j->unit->job;
+
+ if (*pj) {
log_debug("Unit %s already has a job installed. Not installing deserialized job.", j->unit->id);
- return;
+ return -EEXIST;
}
- j->unit->job = j;
+ *pj = j;
j->installed = true;
log_debug("Reinstalled deserialized job %s/%s as %u", j->unit->id, job_type_to_string(j->type), (unsigned) j->id);
+ return 0;
}
JobDependency* job_dependency_new(Job *subject, Job *object, bool matters, bool conflicts) {
@@ -268,6 +292,10 @@ void job_dump(Job *j, FILE*f, const char *prefix) {
* its lower triangle to avoid duplication. We don't store the main diagonal,
* because A merged with A is simply A.
*
+ * If the resulting type is collapsed immediately afterwards (to get rid of
+ * the JOB_RELOAD_OR_START, which lies outside the lookup function's domain),
+ * the following properties hold:
+ *
* Merging is associative! A merged with B merged with C is the same as
* A merged with C merged with B.
*
@@ -278,21 +306,19 @@ void job_dump(Job *j, FILE*f, const char *prefix) {
* be merged with C either.
*/
static const JobType job_merging_table[] = {
-/* What \ With * JOB_START JOB_VERIFY_ACTIVE JOB_STOP JOB_RELOAD JOB_RELOAD_OR_START JOB_RESTART JOB_TRY_RESTART */
-/************************************************************************************************************************************/
+/* What \ With * JOB_START JOB_VERIFY_ACTIVE JOB_STOP JOB_RELOAD */
+/*********************************************************************************/
/*JOB_START */
/*JOB_VERIFY_ACTIVE */ JOB_START,
/*JOB_STOP */ -1, -1,
/*JOB_RELOAD */ JOB_RELOAD_OR_START, JOB_RELOAD, -1,
-/*JOB_RELOAD_OR_START*/ JOB_RELOAD_OR_START, JOB_RELOAD_OR_START, -1, JOB_RELOAD_OR_START,
-/*JOB_RESTART */ JOB_RESTART, JOB_RESTART, -1, JOB_RESTART, JOB_RESTART,
-/*JOB_TRY_RESTART */ JOB_RESTART, JOB_TRY_RESTART, -1, JOB_TRY_RESTART, JOB_RESTART, JOB_RESTART,
+/*JOB_RESTART */ JOB_RESTART, JOB_RESTART, -1, JOB_RESTART,
};
JobType job_type_lookup_merge(JobType a, JobType b) {
- assert_cc(ELEMENTSOF(job_merging_table) == _JOB_TYPE_MAX * (_JOB_TYPE_MAX - 1) / 2);
- assert(a >= 0 && a < _JOB_TYPE_MAX);
- assert(b >= 0 && b < _JOB_TYPE_MAX);
+ assert_cc(ELEMENTSOF(job_merging_table) == _JOB_TYPE_MAX_MERGING * (_JOB_TYPE_MAX_MERGING - 1) / 2);
+ assert(a >= 0 && a < _JOB_TYPE_MAX_MERGING);
+ assert(b >= 0 && b < _JOB_TYPE_MAX_MERGING);
if (a == b)
return a;
@@ -328,24 +354,50 @@ bool job_type_is_redundant(JobType a, UnitActiveState b) {
return
b == UNIT_RELOADING;
- case JOB_RELOAD_OR_START:
- return
- b == UNIT_ACTIVATING ||
- b == UNIT_RELOADING;
-
case JOB_RESTART:
return
b == UNIT_ACTIVATING;
+ default:
+ assert_not_reached("Invalid job type");
+ }
+}
+
+void job_type_collapse(JobType *t, Unit *u) {
+ UnitActiveState s;
+
+ switch (*t) {
+
case JOB_TRY_RESTART:
- return
- b == UNIT_ACTIVATING;
+ s = unit_active_state(u);
+ if (UNIT_IS_INACTIVE_OR_DEACTIVATING(s))
+ *t = JOB_NOP;
+ else
+ *t = JOB_RESTART;
+ break;
+
+ case JOB_RELOAD_OR_START:
+ s = unit_active_state(u);
+ if (UNIT_IS_INACTIVE_OR_DEACTIVATING(s))
+ *t = JOB_START;
+ else
+ *t = JOB_RELOAD;
+ break;
default:
- assert_not_reached("Invalid job type");
+ ;
}
}
+int job_type_merge_and_collapse(JobType *a, JobType b, Unit *u) {
+ JobType t = job_type_lookup_merge(*a, b);
+ if (t < 0)
+ return -EEXIST;
+ *a = t;
+ job_type_collapse(a, u);
+ return 0;
+}
+
bool job_is_runnable(Job *j) {
Iterator i;
Unit *other;
@@ -362,10 +414,12 @@ bool job_is_runnable(Job *j) {
if (j->ignore_order)
return true;
+ if (j->type == JOB_NOP)
+ return true;
+
if (j->type == JOB_START ||
j->type == JOB_VERIFY_ACTIVE ||
- j->type == JOB_RELOAD ||
- j->type == JOB_RELOAD_OR_START) {
+ j->type == JOB_RELOAD) {
/* Immediate result is that the job is or might be
* started. In this case lets wait for the
@@ -383,8 +437,7 @@ bool job_is_runnable(Job *j) {
SET_FOREACH(other, j->unit->dependencies[UNIT_BEFORE], i)
if (other->job &&
(other->job->type == JOB_STOP ||
- other->job->type == JOB_RESTART ||
- other->job->type == JOB_TRY_RESTART))
+ other->job->type == JOB_RESTART))
return false;
/* This means that for a service a and a service b where b
@@ -416,6 +469,7 @@ int job_run_and_invalidate(Job *j) {
assert(j);
assert(j->installed);
+ assert(j->type < _JOB_TYPE_MAX_IN_TRANSACTION);
if (j->in_run_queue) {
LIST_REMOVE(Job, run_queue, j->manager->run_queue, j);
@@ -441,15 +495,6 @@ int job_run_and_invalidate(Job *j) {
switch (j->type) {
- case JOB_RELOAD_OR_START:
- if (unit_active_state(j->unit) == UNIT_ACTIVE) {
- job_change_type(j, JOB_RELOAD);
- r = unit_reload(j->unit);
- break;
- }
- job_change_type(j, JOB_START);
- /* fall through */
-
case JOB_START:
r = unit_start(j->unit);
@@ -469,14 +514,6 @@ int job_run_and_invalidate(Job *j) {
break;
}
- case JOB_TRY_RESTART:
- if (UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(j->unit))) {
- r = -ENOEXEC;
- break;
- }
- job_change_type(j, JOB_RESTART);
- /* fall through */
-
case JOB_STOP:
case JOB_RESTART:
r = unit_stop(j->unit);
@@ -490,11 +527,16 @@ int job_run_and_invalidate(Job *j) {
r = unit_reload(j->unit);
break;
+ case JOB_NOP:
+ r = -EALREADY;
+ break;
+
default:
assert_not_reached("Unknown job type");
}
- if ((j = manager_get_job(m, id))) {
+ j = manager_get_job(m, id);
+ if (j) {
if (r == -EALREADY)
r = job_finish_and_invalidate(j, JOB_DONE, true);
else if (r == -ENOEXEC)
@@ -564,6 +606,7 @@ int job_finish_and_invalidate(Job *j, JobResult result, bool recursive) {
assert(j);
assert(j->installed);
+ assert(j->type < _JOB_TYPE_MAX_IN_TRANSACTION);
job_add_to_dbus_queue(j);
@@ -597,29 +640,25 @@ int job_finish_and_invalidate(Job *j, JobResult result, bool recursive) {
if (result != JOB_DONE && recursive) {
if (t == JOB_START ||
- t == JOB_VERIFY_ACTIVE ||
- t == JOB_RELOAD_OR_START) {
+ t == JOB_VERIFY_ACTIVE) {
SET_FOREACH(other, u->dependencies[UNIT_REQUIRED_BY], i)
if (other->job &&
(other->job->type == JOB_START ||
- other->job->type == JOB_VERIFY_ACTIVE ||
- other->job->type == JOB_RELOAD_OR_START))
+ other->job->type == JOB_VERIFY_ACTIVE))
job_finish_and_invalidate(other->job, JOB_DEPENDENCY, true);
SET_FOREACH(other, u->dependencies[UNIT_BOUND_BY], i)
if (other->job &&
(other->job->type == JOB_START ||
- other->job->type == JOB_VERIFY_ACTIVE ||
- other->job->type == JOB_RELOAD_OR_START))
+ other->job->type == JOB_VERIFY_ACTIVE))
job_finish_and_invalidate(other->job, JOB_DEPENDENCY, true);
SET_FOREACH(other, u->dependencies[UNIT_REQUIRED_BY_OVERRIDABLE], i)
if (other->job &&
!other->job->override &&
(other->job->type == JOB_START ||
- other->job->type == JOB_VERIFY_ACTIVE ||
- other->job->type == JOB_RELOAD_OR_START))
+ other->job->type == JOB_VERIFY_ACTIVE))
job_finish_and_invalidate(other->job, JOB_DEPENDENCY, true);
} else if (t == JOB_STOP) {
@@ -627,8 +666,7 @@ int job_finish_and_invalidate(Job *j, JobResult result, bool recursive) {
SET_FOREACH(other, u->dependencies[UNIT_CONFLICTED_BY], i)
if (other->job &&
(other->job->type == JOB_START ||
- other->job->type == JOB_VERIFY_ACTIVE ||
- other->job->type == JOB_RELOAD_OR_START))
+ other->job->type == JOB_VERIFY_ACTIVE))
job_finish_and_invalidate(other->job, JOB_DEPENDENCY, true);
}
}
@@ -808,6 +846,8 @@ int job_deserialize(Job *j, FILE *f, FDSet *fds) {
JobType t = job_type_from_string(v);
if (t < 0)
log_debug("Failed to parse job type %s", v);
+ else if (t >= _JOB_TYPE_MAX_IN_TRANSACTION)
+ log_debug("Cannot deserialize job of type %s", v);
else
j->type = t;
} else if (streq(l, "job-state")) {
@@ -887,6 +927,7 @@ static const char* const job_type_table[_JOB_TYPE_MAX] = {
[JOB_RELOAD_OR_START] = "reload-or-start",
[JOB_RESTART] = "restart",
[JOB_TRY_RESTART] = "try-restart",
+ [JOB_NOP] = "nop",
};
DEFINE_STRING_TABLE_LOOKUP(job_type, JobType);
diff --git a/src/core/job.h b/src/core/job.h
index 2b679735fc..2e10143d2b 100644
--- a/src/core/job.h
+++ b/src/core/job.h
@@ -46,14 +46,34 @@ enum JobType {
JOB_STOP,
- JOB_RELOAD, /* if running reload */
- JOB_RELOAD_OR_START, /* if running reload, if not running start */
+ JOB_RELOAD, /* if running, reload */
/* Note that restarts are first treated like JOB_STOP, but
* then instead of finishing are patched to become
* JOB_START. */
- JOB_RESTART, /* if running stop, then start unconditionally */
- JOB_TRY_RESTART, /* if running stop and then start */
+ JOB_RESTART, /* If running, stop. Then start unconditionally. */
+
+ _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). */
+ JOB_NOP = _JOB_TYPE_MAX_MERGING, /* do nothing */
+
+ _JOB_TYPE_MAX_IN_TRANSACTION,
+
+ /* JOB_TRY_RESTART can never appear in a transaction, because
+ * it always collapses into JOB_RESTART or JOB_NOP before entering.
+ * Thus we never need to merge it with anything. */
+ JOB_TRY_RESTART = _JOB_TYPE_MAX_IN_TRANSACTION, /* if running, stop and then start */
+
+ /* 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
+ * during job installation, but then it will immediately collapse into
+ * one of the two simpler types. */
+ JOB_RELOAD_OR_START, /* if running, reload, otherwise start */
_JOB_TYPE_MAX,
_JOB_TYPE_INVALID = -1
@@ -150,7 +170,7 @@ Job* job_new(Unit *unit, JobType type);
Job* job_new_raw(Unit *unit);
void job_free(Job *job);
Job* job_install(Job *j);
-void job_install_deserialized(Job *j);
+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);
@@ -164,14 +184,6 @@ int job_merge(Job *j, Job *other);
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;
}
@@ -187,6 +199,12 @@ static inline bool job_type_is_superset(JobType a, JobType b) {
bool job_type_is_redundant(JobType a, UnitActiveState 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);
+
+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);
diff --git a/src/core/manager.c b/src/core/manager.c
index a6013668b8..62222e6c7a 100644
--- a/src/core/manager.c
+++ b/src/core/manager.c
@@ -678,6 +678,8 @@ int manager_add_job(Manager *m, JobType type, Unit *unit, JobMode mode, bool ove
log_debug("Trying to enqueue job %s/%s/%s", unit->id, job_type_to_string(type), job_mode_to_string(mode));
+ job_type_collapse(&type, unit);
+
tr = transaction_new();
if (!tr)
return -ENOMEM;
diff --git a/src/core/transaction.c b/src/core/transaction.c
index 09ed80737d..44fdc06580 100644
--- a/src/core/transaction.c
+++ b/src/core/transaction.c
@@ -236,7 +236,7 @@ static int transaction_merge_jobs(Transaction *tr, DBusError *e) {
t = j->type;
LIST_FOREACH(transaction, k, j->transaction_next) {
- if (job_type_merge(&t, k->type) >= 0)
+ if (job_type_merge_and_collapse(&t, k->type, j->unit) >= 0)
continue;
/* OK, we could not merge all jobs for this
@@ -262,9 +262,9 @@ static int transaction_merge_jobs(Transaction *tr, DBusError *e) {
JobType t = j->type;
Job *k;
- /* Merge all transactions */
+ /* Merge all transaction jobs for j->unit */
LIST_FOREACH(transaction, k, j->transaction_next)
- assert_se(job_type_merge(&t, k->type) == 0);
+ assert_se(job_type_merge_and_collapse(&t, k->type, j->unit) == 0);
while ((k = j->transaction_next)) {
if (tr->anchor_job == k) {
@@ -809,6 +809,7 @@ int transaction_add_job_and_dependencies(
assert(tr);
assert(type < _JOB_TYPE_MAX);
+ assert(type < _JOB_TYPE_MAX_IN_TRANSACTION);
assert(unit);
/* log_debug("Pulling in %s/%s from %s/%s", */
@@ -859,7 +860,8 @@ int transaction_add_job_and_dependencies(
assert(!tr->anchor_job);
tr->anchor_job = ret;
}
- if (is_new && !ignore_requirements) {
+
+ if (is_new && !ignore_requirements && type != JOB_NOP) {
Set *following;
/* If we are following some other unit, make sure we
@@ -879,7 +881,7 @@ int transaction_add_job_and_dependencies(
}
/* Finally, recursively add in all dependencies. */
- if (type == JOB_START || type == JOB_RELOAD_OR_START || type == JOB_RESTART) {
+ if (type == JOB_START || type == JOB_RESTART) {
SET_FOREACH(dep, ret->unit->dependencies[UNIT_REQUIRES], i) {
r = transaction_add_job_and_dependencies(tr, JOB_START, dep, ret, true, override, false, false, ignore_order, e);
if (r < 0) {
@@ -969,7 +971,7 @@ int transaction_add_job_and_dependencies(
}
- if (type == JOB_STOP || type == JOB_RESTART || type == JOB_TRY_RESTART) {
+ if (type == JOB_STOP || type == JOB_RESTART) {
SET_FOREACH(dep, ret->unit->dependencies[UNIT_REQUIRED_BY], i) {
r = transaction_add_job_and_dependencies(tr, type, dep, ret, true, override, false, false, ignore_order, e);
@@ -994,7 +996,7 @@ int transaction_add_job_and_dependencies(
}
}
- if (type == JOB_RELOAD || type == JOB_RELOAD_OR_START) {
+ if (type == JOB_RELOAD) {
SET_FOREACH(dep, ret->unit->dependencies[UNIT_PROPAGATE_RELOAD_TO], i) {
r = transaction_add_job_and_dependencies(tr, JOB_RELOAD, dep, ret, false, override, false, false, ignore_order, e);
@@ -1007,7 +1009,7 @@ int transaction_add_job_and_dependencies(
}
}
- /* JOB_VERIFY_STARTED, JOB_RELOAD require no dependency handling */
+ /* JOB_VERIFY_STARTED require no dependency handling */
}
return 0;
diff --git a/src/core/unit.c b/src/core/unit.c
index c5fde63afb..491ba3f33f 100644
--- a/src/core/unit.c
+++ b/src/core/unit.c
@@ -249,6 +249,9 @@ bool unit_check_gc(Unit *u) {
if (u->job)
return true;
+ if (u->nop_job)
+ return true;
+
if (unit_active_state(u) != UNIT_INACTIVE)
return true;
@@ -358,6 +361,12 @@ void unit_free(Unit *u) {
job_free(j);
}
+ if (u->nop_job) {
+ Job *j = u->nop_job;
+ job_uninstall(j);
+ job_free(j);
+ }
+
for (d = 0; d < _UNIT_DEPENDENCY_MAX; d++)
bidi_set_free(u, u->dependencies[d]);
@@ -501,6 +510,9 @@ int unit_merge(Unit *u, Unit *other) {
if (other->job)
return -EEXIST;
+ if (other->nop_job)
+ return -EEXIST;
+
if (!UNIT_IS_INACTIVE_OR_FAILED(unit_active_state(other)))
return -EEXIST;
@@ -729,6 +741,9 @@ void unit_dump(Unit *u, FILE *f, const char *prefix) {
if (u->job)
job_dump(u->job, f, prefix2);
+ if (u->nop_job)
+ job_dump(u->nop_job, f, prefix2);
+
free(p2);
}
@@ -1507,6 +1522,7 @@ bool unit_job_is_applicable(Unit *u, JobType j) {
case JOB_VERIFY_ACTIVE:
case JOB_START:
case JOB_STOP:
+ case JOB_NOP:
return true;
case JOB_RESTART:
@@ -2293,6 +2309,11 @@ int unit_serialize(Unit *u, FILE *f, FDSet *fds) {
job_serialize(u->job, f, fds);
}
+ if (u->nop_job) {
+ fprintf(f, "job\n");
+ job_serialize(u->nop_job, f, fds);
+ }
+
dual_timestamp_serialize(f, "inactive-exit-timestamp", &u->inactive_exit_timestamp);
dual_timestamp_serialize(f, "active-enter-timestamp", &u->active_enter_timestamp);
dual_timestamp_serialize(f, "active-exit-timestamp", &u->active_exit_timestamp);
@@ -2382,12 +2403,18 @@ int unit_deserialize(Unit *u, FILE *f, FDSet *fds) {
return r;
}
- job_install_deserialized(j);
r = hashmap_put(u->manager->jobs, UINT32_TO_PTR(j->id), j);
if (r < 0) {
job_free(j);
return r;
}
+
+ r = job_install_deserialized(j);
+ if (r < 0) {
+ hashmap_remove(u->manager->jobs, UINT32_TO_PTR(j->id));
+ job_free(j);
+ return r;
+ }
} else {
/* legacy */
JobType type = job_type_from_string(v);
diff --git a/src/core/unit.h b/src/core/unit.h
index 1b777bfaab..c2bae0a45c 100644
--- a/src/core/unit.h
+++ b/src/core/unit.h
@@ -158,10 +158,12 @@ struct Unit {
char *fragment_path; /* if loaded from a config file this is the primary path to it */
usec_t fragment_mtime;
- /* If there is something to do with this unit, then this is
- * the job for it */
+ /* If there is something to do with this unit, then this is the installed job for it */
Job *job;
+ /* JOB_NOP jobs are special and can be installed without disturbing the real job. */
+ Job *nop_job;
+
usec_t job_timeout;
/* References to this */
diff --git a/src/test/test-job-type.c b/src/test/test-job-type.c
index ba8b307dd3..a60be24090 100644
--- a/src/test/test-job-type.c
+++ b/src/test/test-job-type.c
@@ -25,59 +25,80 @@
#include <unistd.h>
#include "job.h"
+#include "unit.h"
+#include "service.h"
int main(int argc, char*argv[]) {
- JobType a, b, c, d, e, f, g;
-
- for (a = 0; a < _JOB_TYPE_MAX; a++)
- for (b = 0; b < _JOB_TYPE_MAX; b++) {
-
- if (!job_type_is_mergeable(a, b))
- printf("Not mergeable: %s + %s\n", job_type_to_string(a), job_type_to_string(b));
-
- for (c = 0; c < _JOB_TYPE_MAX; c++) {
+ JobType a, b, c, ab, bc, ab_c, bc_a, a_bc;
+ const ServiceState test_states[] = { SERVICE_DEAD, SERVICE_RUNNING };
+ unsigned i;
+ bool merged_ab;
+
+ /* fake a unit */
+ static Service s = {
+ .meta.load_state = UNIT_LOADED,
+ .type = UNIT_SERVICE
+ };
+ Unit *u = UNIT(&s);
+
+ for (i = 0; i < ELEMENTSOF(test_states); i++) {
+ s.state = test_states[i];
+ printf("\nWith collapsing for service state %s\n"
+ "=========================================\n", service_state_to_string(s.state));
+ for (a = 0; a < _JOB_TYPE_MAX_MERGING; a++) {
+ for (b = 0; b < _JOB_TYPE_MAX_MERGING; b++) {
+
+ ab = a;
+ merged_ab = (job_type_merge_and_collapse(&ab, b, u) >= 0);
+
+ if (!job_type_is_mergeable(a, b)) {
+ assert(!merged_ab);
+ printf("Not mergeable: %s + %s\n", job_type_to_string(a), job_type_to_string(b));
+ continue;
+ }
- /* Verify transitivity of mergeability
- * of job types */
- assert(!job_type_is_mergeable(a, b) ||
- !job_type_is_mergeable(b, c) ||
- job_type_is_mergeable(a, c));
+ assert(merged_ab);
+ printf("%s + %s = %s\n", job_type_to_string(a), job_type_to_string(b), job_type_to_string(ab));
- d = a;
- if (job_type_merge(&d, b) >= 0) {
+ for (c = 0; c < _JOB_TYPE_MAX_MERGING; c++) {
- printf("%s + %s = %s\n", job_type_to_string(a), job_type_to_string(b), job_type_to_string(d));
+ /* Verify transitivity of mergeability of job types */
+ assert(!job_type_is_mergeable(a, b) ||
+ !job_type_is_mergeable(b, c) ||
+ job_type_is_mergeable(a, c));
- /* Verify that merged entries can be
- * merged with the same entries they
- * can be merged with separately */
- assert(!job_type_is_mergeable(a, c) || job_type_is_mergeable(d, c));
- assert(!job_type_is_mergeable(b, c) || job_type_is_mergeable(d, c));
+ /* Verify that merged entries can be merged with the same entries
+ * they can be merged with separately */
+ assert(!job_type_is_mergeable(a, c) || job_type_is_mergeable(ab, c));
+ assert(!job_type_is_mergeable(b, c) || job_type_is_mergeable(ab, c));
- /* Verify that if a merged
- * with b is not mergeable with
- * c then either a or b is not
- * mergeable with c either. */
- assert(job_type_is_mergeable(d, c) || !job_type_is_mergeable(a, c) || !job_type_is_mergeable(b, c));
+ /* Verify that if a merged with b is not mergeable with c, then
+ * either a or b is not mergeable with c either. */
+ assert(job_type_is_mergeable(ab, c) || !job_type_is_mergeable(a, c) || !job_type_is_mergeable(b, c));
- e = b;
- if (job_type_merge(&e, c) >= 0) {
+ bc = b;
+ if (job_type_merge_and_collapse(&bc, c, u) >= 0) {
/* Verify associativity */
- f = d;
- assert(job_type_merge(&f, c) == 0);
+ ab_c = ab;
+ assert(job_type_merge_and_collapse(&ab_c, c, u) == 0);
+
+ bc_a = bc;
+ assert(job_type_merge_and_collapse(&bc_a, a, u) == 0);
- g = e;
- assert(job_type_merge(&g, a) == 0);
+ a_bc = a;
+ assert(job_type_merge_and_collapse(&a_bc, bc, u) == 0);
- assert(f == g);
+ assert(ab_c == bc_a);
+ assert(ab_c == a_bc);
- printf("%s + %s + %s = %s\n", job_type_to_string(a), job_type_to_string(b), job_type_to_string(c), job_type_to_string(d));
+ printf("%s + %s + %s = %s\n", job_type_to_string(a), job_type_to_string(b), job_type_to_string(c), job_type_to_string(ab_c));
}
}
}
}
+ }
return 0;
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