static unsigned int protocol_child(struct service_backend *backend, struct service_state *state, unsigned int id, char *path, unsigned int length)
{
struct system_node *node = (struct system_node *)backend->map(state, id, sizeof (struct system_node));
struct list_item *current;
struct system_node *n = node;
spinlock_acquire(&node->children.spinlock);
for (current = node->children.head; current; current = current->next)
{
struct system_node *n2 = current->data;
unsigned int length0 = ascii_length(n2->name);
if (n2->type == SYSTEM_NODETYPE_MULTIGROUP)
{
unsigned int colon = memory_findbyte(path, length, ':');
unsigned int val;
if (length0 != colon)
continue;
if (!memory_match(n2->name, path, colon))
continue;
val = ascii_rvalue(path + colon + 1, length - colon - 1, 10);
if (val != n2->index)
continue;
}
else
{
if (length0 != length)
continue;
if (!memory_match(n2->name, path, length))
continue;
}
n = n2;
break;
}
spinlock_release(&node->children.spinlock);
return (unsigned int)n;
}
static unsigned int findmodulesymbol(unsigned int count, char *symbolname)
{
unsigned int length = memory_findbyte(symbolname, count, '_') - 1;
unsigned int offset = 0;
unsigned int address;
char module[32];
offset += memory_write(module, 32, symbolname, length, offset);
offset += memory_write(module, 32, ".ko", 4, offset);
if (!file_walkfrom(CALL_L2, CALL_L1, module))
return 0;
file_open(CALL_L2);
address = findsymbol(CALL_L2, count, symbolname);
file_close(CALL_L2);
return address;
}
