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unit: make unit casts typesafe

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This commit is contained in:
Lennart Poettering 2010-06-19 16:57:29 +02:00
parent 0ca3f374f9
commit 399ab2b1ac
2 changed files with 7 additions and 7 deletions
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10
src/manager.c
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@ -271,7 +271,7 @@ static unsigned manager_dispatch_cleanup_queue(Manager *m) {
while ((meta = m->cleanup_queue)) {
assert(meta->in_cleanup_queue);
unit_free(UNIT(meta));
unit_free((Unit*) meta);
n++;
}
@ -361,7 +361,7 @@ static unsigned manager_dispatch_gc_queue(Manager *m) {
while ((meta = m->gc_queue)) {
assert(meta->in_gc_queue);
unit_gc_sweep(UNIT(meta), gc_marker);
unit_gc_sweep((Unit*) meta, gc_marker);
LIST_REMOVE(Meta, gc_queue, m->gc_queue, meta);
meta->in_gc_queue = false;
@ -372,7 +372,7 @@ static unsigned manager_dispatch_gc_queue(Manager *m) {
meta->gc_marker == gc_marker + GC_OFFSET_UNSURE) {
log_debug("Collecting %s", meta->id);
meta->gc_marker = gc_marker + GC_OFFSET_BAD;
unit_add_to_cleanup_queue(UNIT(meta));
unit_add_to_cleanup_queue((Unit*) meta);
}
}
@ -1439,7 +1439,7 @@ unsigned manager_dispatch_load_queue(Manager *m) {
while ((meta = m->load_queue)) {
assert(meta->in_load_queue);
unit_load(UNIT(meta));
unit_load((Unit*) meta);
n++;
}
@ -1585,7 +1585,7 @@ unsigned manager_dispatch_dbus_queue(Manager *m) {
while ((meta = m->dbus_unit_queue)) {
assert(meta->in_dbus_queue);
bus_unit_send_change_signal(UNIT(meta));
bus_unit_send_change_signal((Unit*) meta);
n++;
}

4
src/unit.h
View file

@ -336,14 +336,14 @@ extern const UnitVTable * const unit_vtable[_UNIT_TYPE_MAX];
/* For casting a unit into the various unit types */
#define DEFINE_CAST(UPPERCASE, MixedCase) \
static inline MixedCase* UPPERCASE(Unit *u) { \
if (!u || u->meta.type != UNIT_##UPPERCASE) \
if (_unlikely_(!u || u->meta.type != UNIT_##UPPERCASE)) \
return NULL; \
\
return (MixedCase*) u; \
}
/* For casting the various unit types into a unit */
#define UNIT(u) ((Unit*) (u))
#define UNIT(u) ((Unit*) (&(u)->meta))
DEFINE_CAST(SOCKET, Socket);
DEFINE_CAST(TIMER, Timer);