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-rw-r--r--device.c1
-rw-r--r--job.c3
-rw-r--r--job.h1
-rw-r--r--manager.c49
-rw-r--r--mount.c1
-rw-r--r--systemctl.vala17
-rw-r--r--unit.h3
7 files changed, 70 insertions, 5 deletions
diff --git a/device.c b/device.c
index a65d41726b..520cbdb2c2 100644
--- a/device.c
+++ b/device.c
@@ -433,6 +433,7 @@ const UnitVTable device_vtable = {
.no_requires = true,
.no_instances = true,
.no_snapshots = true,
+ .no_isolate = true,
.load = unit_load_fragment_and_dropin_optional,
.done = device_done,
diff --git a/job.c b/job.c
index 3210bb42c2..f35c91c4df 100644
--- a/job.c
+++ b/job.c
@@ -577,7 +577,8 @@ DEFINE_STRING_TABLE_LOOKUP(job_type, JobType);
static const char* const job_mode_table[_JOB_MODE_MAX] = {
[JOB_FAIL] = "fail",
- [JOB_REPLACE] = "replace"
+ [JOB_REPLACE] = "replace",
+ [JOB_ISOLATE] = "isolate"
};
DEFINE_STRING_TABLE_LOOKUP(job_mode, JobMode);
diff --git a/job.h b/job.h
index e8857edaca..1ae97b75d0 100644
--- a/job.h
+++ b/job.h
@@ -65,6 +65,7 @@ enum JobState {
enum JobMode {
JOB_FAIL,
JOB_REPLACE,
+ JOB_ISOLATE,
_JOB_MODE_MAX,
_JOB_MODE_INVALID = -1
};
diff --git a/manager.c b/manager.c
index 5cb5c3d2d2..3ac01779d3 100644
--- a/manager.c
+++ b/manager.c
@@ -1004,7 +1004,7 @@ static void transaction_collect_garbage(Manager *m) {
} while (again);
}
-static int transaction_is_destructive(Manager *m, JobMode mode) {
+static int transaction_is_destructive(Manager *m) {
Iterator i;
Job *j;
@@ -1083,7 +1083,7 @@ static void transaction_minimize_impact(Manager *m) {
} while (again);
}
-static int transaction_apply(Manager *m, JobMode mode) {
+static int transaction_apply(Manager *m) {
Iterator i;
Job *j;
int r;
@@ -1203,13 +1203,13 @@ static int transaction_activate(Manager *m, JobMode mode) {
/* Ninth step: check whether we can actually apply this */
if (mode == JOB_FAIL)
- if ((r = transaction_is_destructive(m, mode)) < 0) {
+ if ((r = transaction_is_destructive(m)) < 0) {
log_debug("Requested transaction contradicts existing jobs: %s", strerror(-r));
goto rollback;
}
/* Tenth step: apply changes */
- if ((r = transaction_apply(m, mode)) < 0) {
+ if ((r = transaction_apply(m)) < 0) {
log_debug("Failed to apply transaction: %s", strerror(-r));
goto rollback;
}
@@ -1383,6 +1383,38 @@ fail:
return r;
}
+static int transaction_add_isolate_jobs(Manager *m) {
+ Iterator i;
+ Unit *u;
+ char *k;
+ int r;
+
+ assert(m);
+
+ HASHMAP_FOREACH_KEY(u, k, m->units, i) {
+
+ /* ignore aliases */
+ if (u->meta.id != k)
+ continue;
+
+ if (UNIT_VTABLE(u)->no_isolate)
+ continue;
+
+ /* No need to stop inactive jobs */
+ if (unit_active_state(u) == UNIT_INACTIVE)
+ continue;
+
+ /* Is there already something listed for this? */
+ if (hashmap_get(m->transaction_jobs, u))
+ continue;
+
+ if ((r = transaction_add_job_and_dependencies(m, JOB_STOP, u, NULL, true, false, NULL)) < 0)
+ log_warning("Cannot add isolate job for unit %s, ignoring: %s", u->meta.id, strerror(-r));
+ }
+
+ return 0;
+}
+
int manager_add_job(Manager *m, JobType type, Unit *unit, JobMode mode, bool override, Job **_ret) {
int r;
Job *ret;
@@ -1392,6 +1424,9 @@ int manager_add_job(Manager *m, JobType type, Unit *unit, JobMode mode, bool ove
assert(unit);
assert(mode < _JOB_MODE_MAX);
+ if (mode == JOB_ISOLATE && type != JOB_START)
+ return -EINVAL;
+
log_debug("Trying to enqueue job %s/%s", unit->meta.id, job_type_to_string(type));
if ((r = transaction_add_job_and_dependencies(m, type, unit, NULL, true, override, &ret)) < 0) {
@@ -1399,6 +1434,12 @@ int manager_add_job(Manager *m, JobType type, Unit *unit, JobMode mode, bool ove
return r;
}
+ if (mode == JOB_ISOLATE)
+ if ((r = transaction_add_isolate_jobs(m)) < 0) {
+ transaction_abort(m);
+ return r;
+ }
+
if ((r = transaction_activate(m, mode)) < 0)
return r;
diff --git a/mount.c b/mount.c
index 15cce6f8e4..3cb4cf2dd5 100644
--- a/mount.c
+++ b/mount.c
@@ -1462,6 +1462,7 @@ const UnitVTable mount_vtable = {
.no_alias = true,
.no_instances = true,
+ .no_isolate = true,
.init = mount_init,
.load = mount_load,
diff --git a/systemctl.vala b/systemctl.vala
index a0237bb734..feacdb2b7b 100644
--- a/systemctl.vala
+++ b/systemctl.vala
@@ -81,6 +81,7 @@ int main (string[] args) {
" cancel [JOB...] Cancel one or more jobs\n" +
" start [NAME...] Start on or more units\n" +
" stop [NAME...] Stop on or more units\n" +
+ " enter [NAME] Start one unit and stop all others\n" +
" restart [NAME...] Restart on or more units\n" +
" reload [NAME...] Reload on or more units\n" +
" monitor Monitor unit/job changes\n" +
@@ -214,6 +215,22 @@ int main (string[] args) {
u.reload(mode);
}
+ } else if (args[1] == "isolate") {
+
+ if (args.length != 3) {
+ stderr.printf("Missing argument.\n");
+ return 1;
+ }
+
+ ObjectPath p = manager.get_unit(args[2]);
+
+ Unit u = bus.get_object(
+ "org.freedesktop.systemd1",
+ p,
+ "org.freedesktop.systemd1.Unit") as Unit;
+
+ u.start("isolate");
+
} else if (args[1] == "monitor") {
manager.subscribe();
diff --git a/unit.h b/unit.h
index 9155b2eda1..21627ef4d4 100644
--- a/unit.h
+++ b/unit.h
@@ -306,6 +306,9 @@ struct UnitVTable {
/* Exclude from automatic gc */
bool no_gc:1;
+
+ /* Exclude from isolation requests */
+ bool no_isolate:1;
};
extern const UnitVTable * const unit_vtable[_UNIT_TYPE_MAX];
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-08 10:02:22 +0000