X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fcore%2Fjob.c;h=bd63eb16ba0673d0304b77a53c3ce7dd64bf4dcf;hb=11041c8488e956924870379a9203d7f1cac3b038;hp=a3ba7cf703f6aa5c850d5a15bea07d69461d8976;hpb=0faacd470dfbd24f4c6504da6f04213aa05f9d19;p=elogind.git
diff --git a/src/core/job.c b/src/core/job.c
index a3ba7cf70..bd63eb16b 100644
--- a/src/core/job.c
+++ b/src/core/job.c
@@ -19,10 +19,7 @@
along with systemd; If not, see .
***/
-#include
#include
-#include
-#include
#include "sd-id128.h"
#include "sd-messages.h"
@@ -30,8 +27,6 @@
#include "unit.h"
#include "macro.h"
#include "strv.h"
-#include "load-fragment.h"
-#include "load-dropin.h"
#include "log.h"
#include "dbus-job.h"
#include "special.h"
@@ -96,11 +91,39 @@ void job_free(Job *j) {
free(j);
}
+static void job_set_state(Job *j, JobState state) {
+ assert(j);
+ assert(state >= 0);
+ assert(state < _JOB_STATE_MAX);
+
+ if (j->state == state)
+ return;
+
+ j->state = state;
+
+ if (!j->installed)
+ return;
+
+ if (j->state == JOB_RUNNING)
+ j->unit->manager->n_running_jobs++;
+ else {
+ assert(j->state == JOB_WAITING);
+ assert(j->unit->manager->n_running_jobs > 0);
+
+ j->unit->manager->n_running_jobs--;
+
+ if (j->unit->manager->n_running_jobs <= 0)
+ j->unit->manager->jobs_in_progress_event_source = sd_event_source_unref(j->unit->manager->jobs_in_progress_event_source);
+ }
+}
+
void job_uninstall(Job *j) {
Job **pj;
assert(j->installed);
+ job_set_state(j, JOB_WAITING);
+
pj = (j->type == JOB_NOP) ? &j->unit->nop_job : &j->unit->job;
assert(*pj == j);
@@ -155,6 +178,7 @@ Job* job_install(Job *j) {
assert(!j->installed);
assert(j->type < _JOB_TYPE_MAX_IN_TRANSACTION);
+ assert(j->state == JOB_WAITING);
pj = (j->type == JOB_NOP) ? &j->unit->nop_job : &j->unit->job;
uj = *pj;
@@ -181,8 +205,8 @@ Job* job_install(Job *j) {
log_unit_debug(uj->unit->id,
"Merged into running job, re-running: %s/%s as %u",
uj->unit->id, job_type_to_string(uj->type), (unsigned) uj->id);
- uj->state = JOB_WAITING;
- uj->manager->n_running_jobs--;
+
+ job_set_state(uj, JOB_WAITING);
return uj;
}
}
@@ -191,6 +215,7 @@ Job* job_install(Job *j) {
/* Install the job */
*pj = j;
j->installed = true;
+
j->manager->n_installed_jobs ++;
log_unit_debug(j->unit->id,
"Installed new job %s/%s as %u",
@@ -209,15 +234,17 @@ int job_install_deserialized(Job *j) {
}
pj = (j->type == JOB_NOP) ? &j->unit->nop_job : &j->unit->job;
-
if (*pj) {
- log_unit_debug(j->unit->id,
- "Unit %s already has a job installed. Not installing deserialized job.",
- j->unit->id);
+ log_unit_debug(j->unit->id, "Unit %s already has a job installed. Not installing deserialized job.", j->unit->id);
return -EEXIST;
}
+
*pj = j;
j->installed = true;
+
+ if (j->state == JOB_RUNNING)
+ j->unit->manager->n_running_jobs++;
+
log_unit_debug(j->unit->id,
"Reinstalled deserialized job %s/%s as %u",
j->unit->id, job_type_to_string(j->type), (unsigned) j->id);
@@ -290,8 +317,8 @@ void job_dump(Job *j, FILE*f, const char *prefix) {
* 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.
+ * Merging is associative! A merged with B, and then merged with C is the same
+ * as A merged with the result of B merged with C.
*
* Mergeability is transitive! If A can be merged with B and B with C then
* A also with C.
@@ -484,8 +511,7 @@ int job_run_and_invalidate(Job *j) {
if (!job_is_runnable(j))
return -EAGAIN;
- j->state = JOB_RUNNING;
- m->n_running_jobs++;
+ job_set_state(j, JOB_RUNNING);
job_add_to_dbus_queue(j);
/* While we execute this operation the job might go away (for
@@ -547,12 +573,11 @@ int job_run_and_invalidate(Job *j) {
r = job_finish_and_invalidate(j, JOB_INVALID, true);
else if (r == -EPROTO)
r = job_finish_and_invalidate(j, JOB_ASSERT, true);
- else if (r == -ENOTSUP)
+ else if (r == -EOPNOTSUPP)
r = job_finish_and_invalidate(j, JOB_UNSUPPORTED, true);
- else if (r == -EAGAIN) {
- j->state = JOB_WAITING;
- m->n_running_jobs--;
- } else if (r < 0)
+ else if (r == -EAGAIN)
+ job_set_state(j, JOB_WAITING);
+ else if (r < 0)
r = job_finish_and_invalidate(j, JOB_FAILED, true);
}
@@ -734,7 +759,6 @@ static void job_log_status_message(Unit *u, JobType t, JobResult result) {
DISABLE_WARNING_FORMAT_NONLITERAL;
snprintf(buf, sizeof(buf), format, unit_description(u));
- char_array_0(buf);
REENABLE_WARNING;
if (t == JOB_START) {
@@ -780,9 +804,6 @@ int job_finish_and_invalidate(Job *j, JobResult result, bool recursive) {
j->result = result;
- if (j->state == JOB_RUNNING)
- j->manager->n_running_jobs--;
-
log_unit_debug(u->id, "Job %s/%s finished, result=%s",
u->id, job_type_to_string(t), job_result_to_string(result));
@@ -795,7 +816,7 @@ int job_finish_and_invalidate(Job *j, JobResult result, bool recursive) {
if (result == JOB_DONE && t == JOB_RESTART) {
job_change_type(j, JOB_START);
- j->state = JOB_WAITING;
+ job_set_state(j, JOB_WAITING);
job_add_to_run_queue(j);
@@ -1027,7 +1048,7 @@ int job_deserialize(Job *j, FILE *f, FDSet *fds) {
if (s < 0)
log_debug("Failed to parse job state %s", v);
else
- j->state = s;
+ job_set_state(j, s);
} else if (streq(l, "job-override")) {
int b;