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Introduced protocol priority (all 'normal' protocols should use the

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default zero priority). No more "kernel syncer initialized before
device routes" problems.
This commit is contained in:
Martin Mares 1999-03-03 19:33:54 +00:00
parent 84c7e1943f
commit b2280748ad
3 changed files with 22 additions and 3 deletions
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23
nest/proto.c
View File

@ -37,6 +37,22 @@ static char *c_states[] = { "HUNGRY", "FEEDING", "HAPPY", "FLUSHING" };
static void proto_flush_all(void *);
static void
proto_enqueue(list *l, struct proto *p)
{
int pri = p->proto->priority;
if (!pri)
add_tail(l, &p->n);
else
{
struct proto *q = HEAD(*l);
while (q->n.next && q->proto->priority >= pri)
q = (struct proto *) q->n.next;
insert_node(&p->n, q->n.prev);
}
}
static void
proto_relink(struct proto *p)
{
@ -54,7 +70,7 @@ proto_relink(struct proto *p)
default:
l = &inactive_proto_list;
}
add_tail(l, &p->n);
proto_enqueue(l, p);
}
void *
@ -146,7 +162,7 @@ protos_commit(struct config *c)
q = p->init(x);
q->proto_state = PS_DOWN;
q->core_state = FS_HUNGRY;
add_tail(&initial_proto_list, &q->n);
proto_enqueue(&initial_proto_list, q);
}
debug("\n");
}
@ -224,7 +240,8 @@ protos_dump_all(void)
WALK_LIST(p, proto_list)
{
debug(" protocol %s: state %s/%s\n", p->name, p_states[p->proto_state], c_states[p->core_state]);
debug(" protocol %s (pri=%d): state %s/%s\n", p->name, p->proto->priority,
p_states[p->proto_state], c_states[p->core_state]);
if (p->disabled)
debug("\tDISABLED\n");
else if (p->proto->dump)

1
nest/protocol.h
View File

@ -30,6 +30,7 @@ struct protocol {
node n;
char *name;
unsigned debug; /* Default debugging flags */
int priority; /* Protocol priority (usually 0) */
void (*preconfig)(struct protocol *, struct config *); /* Just before configuring */
void (*postconfig)(struct proto_config *); /* After configuring each instance */

1
nest/rt-dev.c
View File

@ -92,6 +92,7 @@ dev_preconfig(struct protocol *x, struct config *c)
struct protocol proto_device = {
name: "Device",
priority: 100,
preconfig: dev_preconfig,
init: dev_init,
};