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authorThomas Bushnell <thomas@gnu.org>1999-07-01 21:30:38 +0000
committerThomas Bushnell <thomas@gnu.org>1999-07-01 21:30:38 +0000
commitb99a3ad650fec94f5f476dd739972b8cb6c8daca (patch)
treec445bdf36b64039d1130df1f6716a9e95cfd0bd6 /libnetfs/nrele.c
parent1f6601e1a657d7008f6c15fca71d2dc092f7cb78 (diff)
1999-07-01 Thomas Bushnell, BSG <tb@mit.edu>
* nref.c: New file; guts from netfs.h. * nrele.c: Likewise. * nput.c: Likewise. * netfs.h (netfs_nref, netfs_nrele, netfs_nput): Replace inline definitions with normal declarations. (NETFS_EI): Remove macro. * netfs.c: Deleted file. * Makefile (OTHERSRCS): Add nref.c, nrele.c, nput.c. Remove netfs.c.
Diffstat (limited to 'libnetfs/nrele.c')
-rw-r--r--libnetfs/nrele.c36
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);
+}