static Path
_path_alloc (Npsrv *srv, char *s, int len)
{
PathPool pp = srv->srvaux;
Path path;
xpthread_mutex_lock (&pp->lock);
path = hash_find (pp->hash, s);
if (path) {
path_incref (path);
free (s);
} else {
NP_ASSERT (errno == 0);
if (!(path = malloc (sizeof (*path)))) {
free (s);
goto error;
}
path->refcount = 1;
pthread_mutex_init (&path->lock, NULL);
path->s = s;
path->len = len;
path->ioctx = NULL;
if (!hash_insert (pp->hash, path->s, path)) {
NP_ASSERT (errno == ENOMEM);
goto error;
}
}
xpthread_mutex_unlock (&pp->lock);
return path;
error:
xpthread_mutex_unlock (&pp->lock);
if (path)
_path_free (path);
return NULL;
}
/* Clone newfid->aux from fid->aux.
*/
Fid *
diod_fidclone (Npfid *newfid, Npfid *fid)
{
Fid *f = fid->aux;
Fid *nf = malloc (sizeof (*f));
NP_ASSERT (newfid->aux == NULL);
if (nf) {
nf->flags = f->flags;
nf->ioctx = NULL;
nf->path = path_incref (f->path);
}
newfid->aux = nf;
return nf;
}
