boolean_t
ipc_hash_lookup(
ipc_space_t space,
ipc_object_t obj,
mach_port_name_t *namep,
ipc_entry_t *entryp)
{
boolean_t rv;
rv = ipc_hash_local_lookup(space, obj, namep, entryp);
if (!rv) {
assert(!is_fast_space(space) || space->is_tree_hash == 0);
if (space->is_tree_hash > 0)
rv = ipc_hash_global_lookup(space, obj, namep,
(ipc_tree_entry_t *) entryp);
}
return (rv);
}
void
ipc_hash_delete(
ipc_space_t space,
ipc_object_t obj,
mach_port_name_t name,
ipc_entry_t entry)
{
mach_port_index_t index;
index = MACH_PORT_INDEX(name);
if ((index < space->is_table_size) &&
(entry == &space->is_table[index]))
ipc_hash_local_delete(space, obj, index, entry);
else {
assert(!is_fast_space(space));
ipc_hash_global_delete(space, obj, name,
(ipc_tree_entry_t) entry);
}
}
kern_return_t
mach_port_allocate_full(
ipc_space_t space,
mach_port_right_t right,
mach_port_t proto,
mach_port_qos_t *qosp,
mach_port_name_t *namep)
{
ipc_kmsg_t kmsg;
kern_return_t kr;
if (space == IS_NULL)
return (KERN_INVALID_TASK);
if (proto != MACH_PORT_NULL)
return (KERN_INVALID_VALUE);
if (qosp->name) {
if (!MACH_PORT_VALID (*namep))
return (KERN_INVALID_VALUE);
if (is_fast_space (space))
return (KERN_FAILURE);
}
if (qosp->prealloc) {
mach_msg_size_t size = qosp->len + MAX_TRAILER_SIZE;
if (right != MACH_PORT_RIGHT_RECEIVE)
return (KERN_INVALID_VALUE);
kmsg = (ipc_kmsg_t)kalloc(ikm_plus_overhead(size));
if (kmsg == IKM_NULL)
return (KERN_RESOURCE_SHORTAGE);
ikm_init(kmsg, size);
}
switch (right) {
case MACH_PORT_RIGHT_RECEIVE:
{
ipc_port_t port;
if (qosp->name)
kr = ipc_port_alloc_name(space, *namep, &port);
else
kr = ipc_port_alloc(space, namep, &port);
if (kr == KERN_SUCCESS) {
if (qosp->prealloc)
ipc_kmsg_set_prealloc(kmsg, port);
ip_unlock(port);
} else if (qosp->prealloc)
ipc_kmsg_free(kmsg);
break;
}
case MACH_PORT_RIGHT_PORT_SET:
{
ipc_pset_t pset;
if (qosp->name)
kr = ipc_pset_alloc_name(space, *namep, &pset);
else
kr = ipc_pset_alloc(space, namep, &pset);
if (kr == KERN_SUCCESS)
ips_unlock(pset);
break;
}
case MACH_PORT_RIGHT_DEAD_NAME:
kr = ipc_object_alloc_dead(space, namep);
break;
default:
kr = KERN_INVALID_VALUE;
break;
}
return (kr);
}
