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From 81c3f90d41c973a18e157c1106926711815adc0e Mon Sep 17 00:00:00 2001
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From: Lennart Poettering <lennart@poettering.net>
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Date: Mon, 10 Dec 2018 20:56:57 +0100
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Subject: [PATCH] core: split out all logic that updates a Job on a unit's
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unit_notify() invocation
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Just some refactoring, no change in behaviour.
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(cherry picked from commit 16c74914d233ec93012d77e5f93cf90e42939669)
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Related: #1737283
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---
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src/core/unit.c | 136 +++++++++++++++++++++++++-----------------------
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1 file changed, 71 insertions(+), 65 deletions(-)
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diff --git a/src/core/unit.c b/src/core/unit.c
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index f5e251123d..a4865c1da5 100644
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--- a/src/core/unit.c
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+++ b/src/core/unit.c
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@@ -2225,6 +2225,73 @@ static void unit_update_on_console(Unit *u) {
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manager_unref_console(u->manager);
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}
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+static bool unit_process_job(Job *j, UnitActiveState ns, UnitNotifyFlags flags) {
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+ bool unexpected = false;
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+
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+ assert(j);
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+
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+ if (j->state == JOB_WAITING)
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+
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+ /* So we reached a different state for this job. Let's see if we can run it now if it failed previously
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+ * due to EAGAIN. */
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+ job_add_to_run_queue(j);
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+
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+ /* Let's check whether the unit's new state constitutes a finished job, or maybe contradicts a running job and
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+ * hence needs to invalidate jobs. */
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+
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+ switch (j->type) {
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+
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+ case JOB_START:
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+ case JOB_VERIFY_ACTIVE:
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+
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+ if (UNIT_IS_ACTIVE_OR_RELOADING(ns))
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+ job_finish_and_invalidate(j, JOB_DONE, true, false);
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+ else if (j->state == JOB_RUNNING && ns != UNIT_ACTIVATING) {
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+ unexpected = true;
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+
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+ if (UNIT_IS_INACTIVE_OR_FAILED(ns))
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+ job_finish_and_invalidate(j, ns == UNIT_FAILED ? JOB_FAILED : JOB_DONE, true, false);
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+ }
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+
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+ break;
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+
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+ case JOB_RELOAD:
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+ case JOB_RELOAD_OR_START:
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+ case JOB_TRY_RELOAD:
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+
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+ if (j->state == JOB_RUNNING) {
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+ if (ns == UNIT_ACTIVE)
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+ job_finish_and_invalidate(j, (flags & UNIT_NOTIFY_RELOAD_FAILURE) ? JOB_FAILED : JOB_DONE, true, false);
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+ else if (!IN_SET(ns, UNIT_ACTIVATING, UNIT_RELOADING)) {
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+ unexpected = true;
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+
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+ if (UNIT_IS_INACTIVE_OR_FAILED(ns))
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+ job_finish_and_invalidate(j, ns == UNIT_FAILED ? JOB_FAILED : JOB_DONE, true, false);
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+ }
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+ }
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+
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+ break;
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+
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+ case JOB_STOP:
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+ case JOB_RESTART:
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+ case JOB_TRY_RESTART:
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+
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+ if (UNIT_IS_INACTIVE_OR_FAILED(ns))
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+ job_finish_and_invalidate(j, JOB_DONE, true, false);
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+ else if (j->state == JOB_RUNNING && ns != UNIT_DEACTIVATING) {
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+ unexpected = true;
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+ job_finish_and_invalidate(j, JOB_FAILED, true, false);
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+ }
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+
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+ break;
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+
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+ default:
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+ assert_not_reached("Job type unknown");
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+ }
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+
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+ return unexpected;
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+}
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+
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void unit_notify(Unit *u, UnitActiveState os, UnitActiveState ns, UnitNotifyFlags flags) {
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bool unexpected;
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Manager *m;
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@@ -2265,71 +2332,10 @@ void unit_notify(Unit *u, UnitActiveState os, UnitActiveState ns, UnitNotifyFlag
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unit_update_on_console(u);
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- if (u->job) {
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- unexpected = false;
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-
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- if (u->job->state == JOB_WAITING)
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-
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- /* So we reached a different state for this
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- * job. Let's see if we can run it now if it
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- * failed previously due to EAGAIN. */
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- job_add_to_run_queue(u->job);
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-
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- /* Let's check whether this state change constitutes a
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- * finished job, or maybe contradicts a running job and
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- * hence needs to invalidate jobs. */
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-
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- switch (u->job->type) {
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-
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- case JOB_START:
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- case JOB_VERIFY_ACTIVE:
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-
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- if (UNIT_IS_ACTIVE_OR_RELOADING(ns))
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- job_finish_and_invalidate(u->job, JOB_DONE, true, false);
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- else if (u->job->state == JOB_RUNNING && ns != UNIT_ACTIVATING) {
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- unexpected = true;
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-
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- if (UNIT_IS_INACTIVE_OR_FAILED(ns))
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- job_finish_and_invalidate(u->job, ns == UNIT_FAILED ? JOB_FAILED : JOB_DONE, true, false);
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- }
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-
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- break;
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-
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- case JOB_RELOAD:
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- case JOB_RELOAD_OR_START:
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- case JOB_TRY_RELOAD:
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-
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- if (u->job->state == JOB_RUNNING) {
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- if (ns == UNIT_ACTIVE)
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- job_finish_and_invalidate(u->job, (flags & UNIT_NOTIFY_RELOAD_FAILURE) ? JOB_FAILED : JOB_DONE, true, false);
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- else if (!IN_SET(ns, UNIT_ACTIVATING, UNIT_RELOADING)) {
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- unexpected = true;
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-
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- if (UNIT_IS_INACTIVE_OR_FAILED(ns))
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- job_finish_and_invalidate(u->job, ns == UNIT_FAILED ? JOB_FAILED : JOB_DONE, true, false);
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- }
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- }
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-
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- break;
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-
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- case JOB_STOP:
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- case JOB_RESTART:
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- case JOB_TRY_RESTART:
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-
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- if (UNIT_IS_INACTIVE_OR_FAILED(ns))
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- job_finish_and_invalidate(u->job, JOB_DONE, true, false);
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- else if (u->job->state == JOB_RUNNING && ns != UNIT_DEACTIVATING) {
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- unexpected = true;
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- job_finish_and_invalidate(u->job, JOB_FAILED, true, false);
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- }
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-
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- break;
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-
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- default:
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- assert_not_reached("Job type unknown");
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- }
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-
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- } else
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+ /* Let's propagate state changes to the job */
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+ if (u->job)
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+ unexpected = unit_process_job(u->job, ns, flags);
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+ else
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unexpected = true;
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if (!MANAGER_IS_RELOADING(m)) {
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