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-rw-r--r--libtrivfs/io-duplicate.c37
1 files changed, 10 insertions, 27 deletions
diff --git a/libtrivfs/io-duplicate.c b/libtrivfs/io-duplicate.c
index 74525447..4b20bb99 100644
--- a/libtrivfs/io-duplicate.c
+++ b/libtrivfs/io-duplicate.c
@@ -30,37 +30,20 @@ trivfs_S_io_duplicate (struct trivfs_protid *cred,
mach_port_t *newport,
mach_msg_type_name_t *newporttype)
{
+ error_t err;
struct trivfs_protid *newcred;
if (!cred)
return EOPNOTSUPP;
- newcred = ports_allocate_port (cred->po->cntl->protid_bucket,
- sizeof (struct trivfs_protid),
- cred->po->cntl->protid_class);
- newcred->realnode = cred->realnode;
- newcred->isroot = cred->isroot;
- mutex_lock (&cred->po->cntl->lock);
- newcred->po = cred->po;
- newcred->po->refcnt++;
- mutex_unlock (&cred->po->cntl->lock);
- newcred->uids = malloc (cred->nuids * sizeof (uid_t));
- newcred->gids = malloc (cred->ngids * sizeof (gid_t));
- bcopy (cred->uids, newcred->uids, cred->nuids * sizeof (uid_t));
- bcopy (cred->gids, newcred->gids, cred->ngids * sizeof (uid_t));
- newcred->nuids = cred->nuids;
- newcred->ngids = cred->ngids;
- mach_port_mod_refs (mach_task_self (), newcred->realnode,
- MACH_PORT_RIGHT_SEND, 1);
-
- newcred->hook = cred->hook;
-
- if (trivfs_protid_create_hook)
- (*trivfs_protid_create_hook) (newcred);
-
- *newport = ports_get_right (newcred);
- *newporttype = MACH_MSG_TYPE_MAKE_SEND;
- ports_port_deref (newcred);
- return 0;
+ err = trivfs_protid_dup (cred, &newcred);
+ if (!err)
+ {
+ *newport = ports_get_right (newcred);
+ *newporttype = MACH_MSG_TYPE_MAKE_SEND;
+ ports_port_deref (newcred);
+ }
+
+ return err;
}