int32_t
l4vfs_basic_io_getdents_component(CORBA_Object _dice_corba_obj,
object_handle_t handle,
l4vfs_dirent_t **dirp,
uint32_t *count,
CORBA_Server_Environment *_dice_corba_env)
{
int ret, seek;
l4vfs_th_node_t * node;
int __count;
if (*count > INT_MAX)
__count = INT_MAX;
else
__count = (int)*count;
if (handle < 0 || handle >= MAX_CLIENTS)
return -EBADF;
if (! clients_is_open(handle))
return -EBADF;
if (! l4_task_equal(clients[handle].client, *_dice_corba_obj))
return -EBADF;
node = clients[handle].node;
seek = clients[handle].seek;
ret = l4vfs_th_dir_fill_dirents(node, seek, *dirp, &__count);
clients[handle].seek = ret; // set new seekpointer
if (__count < 0)
return -EINVAL;
else
return *count;
}
l4vfs_off_t
l4vfs_basic_io_lseek_component(CORBA_Object _dice_corba_obj,
object_handle_t handle,
l4vfs_off_t offset,
int32_t whence,
CORBA_Server_Environment *_dice_corba_env)
{
if (handle < 0 || handle >= MAX_CLIENTS)
return -EBADF;
if (! clients_is_open(handle))
return -EBADF;
if (! l4_task_equal(clients[handle].client, *_dice_corba_obj))
return -EBADF;
switch (whence) // fixme: care for all the other cases ...
{
case SEEK_SET:
if (offset != 0)
return -EINVAL;
clients[handle].seek = offset;
break;
default:
return -EINVAL;
}
return 0;
}
int32_t
l4vfs_common_io_close_component(CORBA_Object _dice_corba_obj,
object_handle_t handle,
CORBA_Server_Environment *_dice_corba_env)
{
if (handle < 0 || handle >= MAX_CLIENTS)
return -EBADF;
if (! clients_is_open(handle))
return -EBADF;
if (! l4_task_equal(clients[handle].client, *_dice_corba_obj))
return -EBADF;
if (clients[handle].node->type != L4VFS_TH_TYPE_DIRECTORY)
return -EBADF;
clients[handle].node->usage_count--;
clients[handle].open = 0;
// fixme: check for cleaning up dirs here later
if (clients[handle].node->usage_count <= 0)
{
//_check_and_clean_node(clients[handle].node);
}
return 0;
}
void event_thread(void)
{
l4events_ch_t event_ch = L4EVENTS_EXIT_CHANNEL;
l4events_nr_t event_nr = L4EVENTS_NO_NR;
l4events_event_t event;
l4_threadid_t tid;
int rc;
if (!l4events_init())
{
LOG_Error("l4events_init() failed");
__exit(1, 1);
}
if ((rc = l4events_register(L4EVENTS_EXIT_CHANNEL, 15)) != 0)
{
LOG_Error("l4events_register failed");
__exit(1, 1);
}
while(1)
{
/* wait for event */
if ((rc = l4events_give_ack_and_receive(&event_ch, &event, &event_nr,
L4_IPC_NEVER,
L4EVENTS_RECV_ACK))<0)
{
l4env_perror("l4events_give_ack_and_receive()", -rc);
continue;
}
tid = *(l4_threadid_t *)event.str;
LOG("Got exit event for "l4util_idfmt, l4util_idstr(tid));
/* exit myself */
if (l4_task_equal(tid, os2srv))
__exit(1, rc);
}
}
