Changeset 694253c in mainline for uspace/srv/sysman/sysman.c

Timestamp:

2019-08-03T07:35:41Z (5 years ago)

Author:

Matthieu Riolo <matthieu.riolo@…>

Children:

c0c388d2

Parents:

f42ee6f

git-author:

Michal Koutný <xm.koutny+hos@…> (2015-03-13 02:06:30)

git-committer:

Matthieu Riolo <matthieu.riolo@…> (2019-08-03 07:35:41)

Message:

Skeleton for sysman (unit) jobs control

File:

• uspace/srv/sysman/sysman.c (modified) (1 diff)

uspace/srv/sysman/sysman.c

@@ +1 @@
+#include <adt/list.h>
 #include <errno.h>
 
+#include "dep.h"
+#include "job.h"
 #include "sysman.h"
+
+static int sysman_create_closure_jobs(unit_t *unit, job_t **entry_job_ptr,
+    list_t *accumulator, job_type_t type)
+{
+        int rc = EOK;
+        job_t *job = job_create(type);
+        if (job == NULL) {
+                rc = ENOMEM;
+                goto fail;
+        }
+
+        job->unit = unit;
+        // TODO set blocking jobs
+
+        list_foreach(unit->dependencies, dependencies, unit_dependency_t, edge) {
+                rc = sysman_create_closure_jobs(edge->dependency, NULL,
+                    accumulator, type);
+                if (rc != EOK) {
+                        goto fail;
+                }
+        }
+
+        list_append(&job->link, accumulator);
+
+        if (entry_job_ptr != NULL) {
+                *entry_job_ptr = job;
+        }
+        return EOK;
+
+fail:
+        job_destroy(&job);
+        return rc;
+}
 
 int sysman_unit_start(unit_t *unit)
 {
-        // satisfy dependencies
-        // start unit (via restarter)
-        return EOK;
+        list_t new_jobs;
+        list_initialize(&new_jobs);
+
+        job_t *job = NULL;
+        int rc = sysman_create_closure_jobs(unit, &job, &new_jobs, JOB_START);
+        if (rc != EOK) {
+                return rc;
+        }
+
+        job_queue_jobs(&new_jobs);
+
+        return job_wait(job);
 }