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Object locks use events

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Instead of calling custom hooks from object locks, we use standard event
sending mechanism to inform protocols about object lock changes. As
event sending is lockless, the unlocking protocol simply enqueues the
appropriate event to the given loop when the locking is done.
This commit is contained in:
Maria Matejka
2023-01-24 11:01:34 +01:00
parent 3ac628e0f0
commit f7c2a886c9
7 changed files with 75 additions and 55 deletions
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11
proto/bgp/bgp.c
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@@ -1528,9 +1528,9 @@ bgp_feed_end(struct channel *C)
static void
bgp_start_locked(struct object_lock *lock)
bgp_start_locked(void *_p)
{
struct bgp_proto *p = lock->data;
struct bgp_proto *p = _p;
const struct bgp_config *cf = p->cf;
if (p->p.proto_state != PS_START)
@@ -1637,8 +1637,11 @@ bgp_start(struct proto *P)
lock->iface = p->cf->iface;
lock->vrf = p->cf->iface ? NULL : p->p.vrf;
lock->type = OBJLOCK_TCP;
lock->hook = bgp_start_locked;
lock->data = p;
lock->event = (event) {
.hook = bgp_start_locked,
.data = p,
};
lock->target = &global_event_list;
/* For dynamic BGP, we use inst 1 to avoid collisions with regular BGP */
if (bgp_is_dynamic(p))