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authorLennart Poettering <lennart@poettering.net>2010-04-10 17:53:17 +0200
committerLennart Poettering <lennart@poettering.net>2010-04-10 18:00:34 +0200
commite537352b9bfffe6f6286483bff2c7601c78407e3 (patch)
treebe1a46883f8a1bc6b666bd680adda2d309979c15 /unit.h
parent108736d0d34d7b74a61a6ac7b99d4d4fec81ce09 (diff)
mount: implement mounting properly
This also includes code that writes utmp/wtmp records when applicable, making use the mount infrastructure to detct when those files are accessible. Finally, this also introduces a --dump-configuration-items switch.
Diffstat (limited to 'unit.h')
-rw-r--r--unit.h29
1 files changed, 26 insertions, 3 deletions
diff --git a/unit.h b/unit.h
index bfd0907fc3..4b732c0f05 100644
--- a/unit.h
+++ b/unit.h
@@ -196,8 +196,31 @@ union Unit {
struct UnitVTable {
const char *suffix;
- int (*init)(Unit *u, UnitLoadState *new_state);
+ /* Can units of this type have multiple names? */
+ bool no_alias:1;
+
+ /* If true units of this types can never have "Requires"
+ * dependencies, because state changes can only be observed,
+ * not triggered */
+ bool refuse_requires:1;
+
+ /* This should reset all type-specific variables. This should
+ * not allocate memory, and is either called with 0
+ * initialized data, or with data left from done() */
+ void (*init)(Unit *u);
+
+ /* Actually load data from disk. This may fail, and should set
+ * load_state to UNIT_LOADED, UNIT_MERGED or leave it at
+ * UNIT_STUB if no configuration could be found. */
+ int (*load)(Unit *u);
+
+ /* This should free all type-specific variables. It should be
+ * idempotent. There's no need to reset variables that deal
+ * with dynamic memory/resources. */
void (*done)(Unit *u);
+
+ /* If a a lot of units got created via enumerate(), this is
+ * where to actually set the state and call unit_notify(). */
int (*coldplug)(Unit *u);
void (*dump)(Unit *u, FILE *f, const char *prefix);
@@ -285,8 +308,8 @@ int unit_merge_by_name(Unit *u, const char *other);
Unit *unit_follow_merge(Unit *u);
-int unit_load_fragment_and_dropin(Unit *u, UnitLoadState *new_state);
-int unit_load_fragment_and_dropin_optional(Unit *u, UnitLoadState *new_state);
+int unit_load_fragment_and_dropin(Unit *u);
+int unit_load_fragment_and_dropin_optional(Unit *u);
int unit_load(Unit *unit);
const char* unit_id(Unit *u);