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authorLennart Poettering <lennart@poettering.net>2010-07-16 19:40:24 +0200
committerLennart Poettering <lennart@poettering.net>2010-07-16 19:40:24 +0200
commit276c3e78ceae3727c797820ba80c762acc727f4e (patch)
tree40c08723fd40f5fdcd293bfdc1409cde5874d4b3 /src/unit.c
parentbb4f237c651623ca2b523fb3ac14268fac9bb487 (diff)
unit: allow units to have more than one instance id
Diffstat (limited to 'src/unit.c')
-rw-r--r--src/unit.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/src/unit.c b/src/unit.c
index 0c92756cb7..f8be8b26a1 100644
--- a/src/unit.c
+++ b/src/unit.c
@@ -84,7 +84,7 @@ bool unit_has_name(Unit *u, const char *name) {
int unit_add_name(Unit *u, const char *text) {
UnitType t;
- char *s = NULL, *i = NULL;
+ char *s, *i = NULL;
int r;
assert(u);
@@ -119,7 +119,9 @@ int unit_add_name(Unit *u, const char *text) {
if (i && unit_vtable[t]->no_instances)
goto fail;
- if (u->meta.type != _UNIT_TYPE_INVALID && !streq_ptr(u->meta.instance, i)) {
+ /* Ensure that this unit is either instanced or not instanced,
+ * but not both. */
+ if (u->meta.type != _UNIT_TYPE_INVALID && !u->meta.instance != !i) {
r = -EINVAL;
goto fail;
}
@@ -171,7 +173,8 @@ fail:
}
int unit_choose_id(Unit *u, const char *name) {
- char *s, *t = NULL;
+ char *s, *t = NULL, *i;
+ int r;
assert(u);
assert(name);
@@ -194,7 +197,14 @@ int unit_choose_id(Unit *u, const char *name) {
if (!s)
return -ENOENT;
+ if ((r = unit_name_to_instance(s, &i)) < 0)
+ return r;
+
u->meta.id = s;
+
+ free(u->meta.instance);
+ u->meta.instance = i;
+
unit_add_to_dbus_queue(u);
return 0;
@@ -460,7 +470,7 @@ int unit_merge(Unit *u, Unit *other) {
if (u->meta.type != other->meta.type)
return -EINVAL;
- if (!streq_ptr(u->meta.instance, other->meta.instance))
+ if (!u->meta.instance != !other->meta.instance)
return -EINVAL;
if (other->meta.load_state != UNIT_STUB &&