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authorMichael I. Bushnell <mib@gnu.org>1994-09-06 19:25:33 +0000
committerMichael I. Bushnell <mib@gnu.org>1994-09-06 19:25:33 +0000
commitce415d0a078bf4cc69ada749a890c30f41dc52de (patch)
treeaf84ff52cb50e208106e98f070b2ee0bad29a2d2 /libfshelp/fetch-root.c
parent5dd126835e98ff4ae19003a8a654d63455f77a4c (diff)
Initial revision
Diffstat (limited to 'libfshelp/fetch-root.c')
-rw-r--r--libfshelp/fetch-root.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/libfshelp/fetch-root.c b/libfshelp/fetch-root.c
new file mode 100644
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--- /dev/null
+++ b/libfshelp/fetch-root.c
@@ -0,0 +1,53 @@
+/*
+ Copyright (C) 1994 Free Software Foundation, Inc.
+ Written by Michael I. Bushnell.
+
+ 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include "trans.h"
+
+/* Implement fshelp_fetch_root; see <hurd/fshelp.h> for the description. */
+error_t
+fshelp_fetch_root (struct trans_link *link, mach_port_t *cntl,
+ int passive, error_t (*passive_fn) (char **, u_int *),
+ void *dirpt, void *nodept,
+ mach_port_t (*genpt_fn) (mach_port_t),
+ struct mutex *unlock)
+{
+ mach_port_t cwdirpt, nodept;
+ char buf[1000];
+ char *bufp = buf;
+ u_int buflen = 1000;
+ mutex_lock (&link->lock);
+ if (!passive && link->control == MACH_PORT_NULL)
+ {
+ mutex_unlock (&link->lock);
+ return 0;
+ }
+
+ cwdirpt = (*genpt_fn)(dirpt);
+
+ if (link->control == MACH_PORT_NULL)
+ {
+ /* Start passive translator */
+ nodept = (*genpt_fn)(nodept);
+
+ mutex_unlock (unlock);
+
+ error = fshelp_start_translator (link,
+
+