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-rw-r--r--libdiskfs/io-get-conch.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/libdiskfs/io-get-conch.c b/libdiskfs/io-get-conch.c
new file mode 100644
index 00000000..68558952
--- /dev/null
+++ b/libdiskfs/io-get-conch.c
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+/*
+ Copyright (C) 1994 Free Software Foundation
+
+ This program 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.
+
+ This program 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include "priv.h"
+
+/* Implement io_get_conch as described in <hurd/io.defs>. */
+error_t
+S_io_get_conch (struct protid *cred)
+{
+ struct node *np;
+ int error = 0;
+
+ if (!cred)
+ return EOPNOTSUPP;
+
+ np = cred->po->np;
+
+ mutex_lock (&np->lock);
+
+ if (!cred->mapped)
+ {
+ mutex_unlock (&np->lock);
+ return EINVAL;
+ }
+
+ error = ioserver_handle_io_get_conch (&np->conch, cred, cred->mapped);
+
+ mutex_unlock (&np->lock);
+ return error;
+}