diff options
Diffstat (limited to 'libnetfs/nrele.c')
-rw-r--r-- | libnetfs/nrele.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/libnetfs/nrele.c b/libnetfs/nrele.c new file mode 100644 index 00000000..0104e01d --- /dev/null +++ b/libnetfs/nrele.c @@ -0,0 +1,36 @@ +/* + Copyright (C) 1999 Free Software Foundation, Inc. + Written by Thomas Bushnell, BSG. + + This file is part of the GNU Hurd. + + The GNU Hurd is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + The GNU Hurd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. */ + +#include "priv.h" + +void +netfs_nrele (struct node *np) +{ + spin_lock (&netfs_node_refcnt_lock); + assert (np->references); + np->references--; + if (np->references == 0) + { + mutex_lock (&np->lock); + netfs_drop_node (np); + } + else + spin_unlock (&netfs_node_refcnt_lock); +} |