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-rw-r--r--libtrivfs/io-identity.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/libtrivfs/io-identity.c b/libtrivfs/io-identity.c
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+++ b/libtrivfs/io-identity.c
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+/* Fetching identity port
+ Copyright (C) 1996 Free Software Foundation, Inc.
+ Written by Michael I. Bushnell, p/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"
+#include "io_S.h"
+
+error_t
+trivfs_S_io_identity (struct trivfs_protid *cred,
+ mach_port_t reply,
+ mach_msg_type_name_t replytype,
+ mach_port_t *idport,
+ mach_msg_type_name_t *idport_type,
+ mach_port_t *fsidport,
+ mach_msg_type_name_t *fsidport_type,
+ int *fileno)
+{
+ error_t err;
+
+ if (!cred)
+ return EOPNOTSUPP;
+
+ err = io_stat (cred->realnode, st);
+ if (err)
+ return err;
+ trivfs_modify_stat (cred, st);
+
+ *idport = cred->po->cntl->file_id;
+ *idport_type = MACH_MSG_TYPE_MAKE_SEND;
+ *fsidport = cred->po->cntl->filesys_id;
+ *fsidport_type = MACH_MSG_TYPE_MAKE_SEND;
+ *fileno = st->st_fileno;
+ return 0;
+}