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authorMiles Bader <miles@gnu.org>1997-07-22 19:18:39 +0000
committerMiles Bader <miles@gnu.org>1997-07-22 19:18:39 +0000
commit7643b0b307da8adb72c9d22007bd830c0f7daf9f (patch)
treea516fc876f8c2eaa2008ce9213e5e89cbde87ea1
parent0531d008251371125210f74d5d173279558000c7 (diff)
Superseded by improved libstore mapping support
-rw-r--r--trans/devport.c185
1 files changed, 0 insertions, 185 deletions
diff --git a/trans/devport.c b/trans/devport.c
deleted file mode 100644
index a6dfe7f8..00000000
--- a/trans/devport.c
+++ /dev/null
@@ -1,185 +0,0 @@
-/* A really stupid translator allowing a user to get a device port
-
- Copyright (C) 1996 Free Software Foundation, Inc.
-
- Written by Miles Bader <miles@gnu.ai.mit.edu>
-
- 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 <stdio.h>
-#include <unistd.h>
-#include <error.h>
-#include <string.h>
-
-#include <hurd.h>
-#include <hurd/ports.h>
-#include <hurd/trivfs.h>
-#include <hurd/fsys.h>
-
-#include <device/device.h>
-
-static mach_port_t device_master = MACH_PORT_NULL;
-static char *device_name = 0;
-
-struct port_class *trivfs_protid_portclasses[1];
-struct port_class *trivfs_cntl_portclasses[1];
-int trivfs_protid_nportclasses = 1;
-int trivfs_cntl_nportclasses = 1;
-
-void
-main (int argc, char **argv)
-{
- error_t err;
- mach_port_t bootstrap;
- struct port_class *control_class;
- struct port_class *node_class;
- struct port_bucket *port_bucket;
-
- control_class = ports_create_class (trivfs_clean_cntl, 0);
- node_class = ports_create_class (trivfs_clean_protid, 0);
- port_bucket = ports_create_bucket ();
- trivfs_protid_portclasses[0] = node_class;
- trivfs_cntl_portclasses[0] = control_class;
-
- if (argc != 2)
- {
- fprintf (stderr, "Usage: %s DEVICE-NAME", program_invocation_name);
- exit(1);
- }
-
- device_name = argv[1];
-
- task_get_bootstrap_port (mach_task_self (), &bootstrap);
- if (bootstrap == MACH_PORT_NULL)
- error (1, 0, "must be started as a translator");
-
- err = get_privileged_ports (0, &device_master);
- if (err)
- error (2, err, "Can't get device master port");
-
- /* Reply to our parent */
- err = trivfs_startup (bootstrap, 0, control_class, port_bucket,
- node_class, port_bucket, NULL);
- if (err)
- error (3, err, "Contacting parent");
-
- /* Launch. */
- ports_manage_port_operations_one_thread (port_bucket, trivfs_demuxer, 0);
-
- exit(0);
-}
-
-/* Trivfs hooks */
-
-int trivfs_fstype = FSTYPE_DEV;
-int trivfs_fsid = 0;
-
-int trivfs_support_read = 0;
-int trivfs_support_write = 0;
-int trivfs_support_exec = 0;
-
-int trivfs_allow_open = 0;
-
-void
-trivfs_modify_stat (struct trivfs_protid *cred, struct stat *st)
-{
- st->st_size = 0;
- st->st_blocks = 0;
- st->st_mode &= ~S_IFMT;
- st->st_mode |= S_IFCHR;
-}
-
-error_t
-trivfs_goaway (struct trivfs_control *fsys, int flags)
-{
- exit (0);
-}
-
-error_t
-trivfs_S_file_get_storage_info (struct trivfs_protid *cred,
- mach_port_t reply,
- mach_msg_type_name_t reply_type,
- mach_port_t **ports,
- mach_msg_type_name_t *ports_type,
- mach_msg_type_number_t *num_ports,
- int **ints, mach_msg_type_number_t *num_ints,
- off_t **offsets,
- mach_msg_type_number_t *num_offsets,
- char **data, mach_msg_type_number_t *data_len)
-{
- error_t err = 0;
-
- if (!cred)
- err = EOPNOTSUPP;
- else
- {
- /* True when we've allocated memory for the corresponding vector. */
- int al_ports = 0, al_ints = 0, al_offsets = 0, al_data = 0;
- size_t name_len = strlen (device_name) + 1;
-
-#define ENSURE_MEM(v, vl, alp, num) \
- if (!err && *vl < num) \
- { \
- err = vm_allocate (mach_task_self (), \
- (vm_address_t *)v, num * sizeof (**v), 1); \
- if (! err) \
- { \
- *vl = num; \
- alp = 1; \
- } \
- }
-
- ENSURE_MEM (ports, num_ports, al_ports, 1);
- ENSURE_MEM (ints, num_ints, al_ints, 6);
- ENSURE_MEM (offsets, num_offsets, al_offsets, 0);
- ENSURE_MEM (data, data_len, al_data, name_len);
-
- if (! err)
- err = device_open (device_master, 0, device_name, *ports);
-
- if (! err)
- {
- (*ints)[0] = STORAGE_DEVICE; /* type */
- (*ints)[1] = 0; /* flags */
- (*ints)[2] = 0; /* block_size */
- (*ints)[3] = 0; /* num_runs */
- (*ints)[4] = name_len; /* name_len */
- (*ints)[5] = 0; /* misc_len */
- *num_ints = 6;
-
- strcpy (*data, device_name);
- *data_len = name_len;
-
- *num_ports = 1;
- *ports_type = MACH_MSG_TYPE_MOVE_SEND;
-
- *num_offsets = 0;
- }
- else
- /* Some memory allocation failed (not bloody likely). */
- {
-#define DISCARD_MEM(v, vl, alp) \
- if (alp) \
- vm_deallocate (mach_task_self (), (vm_address_t)*v, *vl * sizeof (**v));
-
- DISCARD_MEM (ports, num_ports, al_ports);
- DISCARD_MEM (ints, num_ints, al_ints);
- DISCARD_MEM (offsets, num_offsets, al_offsets);
- DISCARD_MEM (data, data_len, al_data);
- }
- }
-
- return err;
-}