From 3282591dc30b2934a895c7403d2f0b0690260947 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Thu, 28 Jan 2016 18:48:42 +0100
Subject: core: make sure "systemctl reload-or-try-restart is actually a noop
 if a unit is not running

This makes sure we follow the same basic logic for try-restart if we have a try-reload.

Fixes #688
---
 src/core/dbus-unit.c | 2 +-
 src/core/job.c       | 8 ++++++++
 src/core/job.h       | 3 +++
 src/core/unit.c      | 2 ++
 4 files changed, 14 insertions(+), 1 deletion(-)

(limited to 'src/core')

diff --git a/src/core/dbus-unit.c b/src/core/dbus-unit.c
index e4d2c08972..386ea96d1b 100644
--- a/src/core/dbus-unit.c
+++ b/src/core/dbus-unit.c
@@ -987,7 +987,7 @@ int bus_unit_queue_job(
                 if (type == JOB_RESTART)
                         type = JOB_RELOAD_OR_START;
                 else if (type == JOB_TRY_RESTART)
-                        type = JOB_RELOAD;
+                        type = JOB_TRY_RELOAD;
         }
 
         r = mac_selinux_unit_access_check(
diff --git a/src/core/job.c b/src/core/job.c
index 274c554da9..4e111ffb46 100644
--- a/src/core/job.c
+++ b/src/core/job.c
@@ -405,6 +405,13 @@ JobType job_type_collapse(JobType t, Unit *u) {
 
                 return JOB_RESTART;
 
+        case JOB_TRY_RELOAD:
+                s = unit_active_state(u);
+                if (UNIT_IS_INACTIVE_OR_DEACTIVATING(s))
+                        return JOB_NOP;
+
+                return JOB_RELOAD;
+
         case JOB_RELOAD_OR_START:
                 s = unit_active_state(u);
                 if (UNIT_IS_INACTIVE_OR_DEACTIVATING(s))
@@ -1202,6 +1209,7 @@ 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_TRY_RELOAD] = "try-reload",
         [JOB_NOP] = "nop",
 };
 
diff --git a/src/core/job.h b/src/core/job.h
index 118b24e5b7..52866fdc48 100644
--- a/src/core/job.h
+++ b/src/core/job.h
@@ -66,6 +66,9 @@ enum JobType {
          * Thus we never need to merge it with anything. */
         JOB_TRY_RESTART = _JOB_TYPE_MAX_IN_TRANSACTION, /* if running, stop and then start */
 
+        /* Similar to JOB_TRY_RESTART but collapses to JOB_RELOAD or JOB_NOP */
+        JOB_TRY_RELOAD,
+
         /* 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
diff --git a/src/core/unit.c b/src/core/unit.c
index 32267d95f5..b6fbf4e785 100644
--- a/src/core/unit.c
+++ b/src/core/unit.c
@@ -1894,6 +1894,7 @@ void unit_notify(Unit *u, UnitActiveState os, UnitActiveState ns, bool reload_su
 
                 case JOB_RELOAD:
                 case JOB_RELOAD_OR_START:
+                case JOB_TRY_RELOAD:
 
                         if (u->job->state == JOB_RUNNING) {
                                 if (ns == UNIT_ACTIVE)
@@ -2107,6 +2108,7 @@ bool unit_job_is_applicable(Unit *u, JobType j) {
                 return unit_can_start(u);
 
         case JOB_RELOAD:
+        case JOB_TRY_RELOAD:
                 return unit_can_reload(u);
 
         case JOB_RELOAD_OR_START:
-- 
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