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/*
Copyright (C) 1994, 95, 96, 97, 98, 99, 2001 Free Software Foundation, Inc.
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 the GNU Hurd; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/* Written by Michael I. Bushnell. */
#include "priv.h"
#include <device/device.h>
#include <hurd/fsys.h>
#include <stdio.h>
#include <maptime.h>
#include <inttypes.h>
/* For safe inlining of diskfs_node_disknode and
diskfs_disknode_node. */
size_t const _diskfs_sizeof_struct_node = sizeof (struct node);
mach_port_t diskfs_default_pager;
mach_port_t diskfs_auth_server_port;
volatile struct mapped_time_value *diskfs_mtime;
pthread_rwlock_t diskfs_fsys_lock = PTHREAD_RWLOCK_INITIALIZER;
mach_port_t diskfs_fsys_identity;
int _diskfs_nosuid, _diskfs_noexec;
int _diskfs_noatime;
struct hurd_port _diskfs_exec_portcell;
pthread_spinlock_t _diskfs_control_lock = PTHREAD_SPINLOCK_INITIALIZER;
int _diskfs_ncontrol_ports;
struct port_class *diskfs_protid_class;
struct port_class *diskfs_control_class;
struct port_class *diskfs_initboot_class;
struct port_class *diskfs_execboot_class;
struct port_class *diskfs_shutdown_notification_class;
struct port_bucket *diskfs_port_bucket;
/* Provide a human-readable description of the given protid object. */
error_t
diskfs_format_debug_info (const void *port, char *buffer, size_t size)
{
const struct protid *protid = port;
const struct port_info *pi = port;
struct references references;
refcounts_references (&protid->po->np->refcounts, &references);
snprintf (buffer, size,
"bucket: %s, class: %s"
", node{inode: %"PRIu64", hard: %u, weak: %u}, path: %s",
pi->bucket->label,
pi->class->label,
protid->po->np->cache_id,
references.hard,
references.weak,
protid->po->path);
return 0;
}
/* Call this after arguments have been parsed to initialize the
library. */
error_t
diskfs_init_diskfs (void)
{
error_t err;
if (diskfs_boot_filesystem ())
/* This is a boot filesystem, we have to do some things specially. */
{
mach_port_t host;
err = get_privileged_ports (&host, 0);
if (! err)
{
diskfs_default_pager = MACH_PORT_NULL;
err = vm_set_default_memory_manager (host, &diskfs_default_pager);
mach_port_deallocate (mach_task_self (), host);
if (!err)
err = maptime_map (1, 0, &diskfs_mtime);
}
}
else
err = maptime_map (0, 0, &diskfs_mtime);
if (err)
return err;
err = mach_port_allocate (mach_task_self (), MACH_PORT_RIGHT_RECEIVE,
&diskfs_fsys_identity);
if (err)
return err;
diskfs_auth_server_port = getauth ();
#define MAKE_CLASS(NAME, FN, ARG, DBG) \
NAME = ports_create_class ((FN), (ARG)); \
ports_label_class (NAME, #NAME, (DBG))
MAKE_CLASS (diskfs_protid_class, diskfs_protid_rele, NULL,
diskfs_format_debug_info);
MAKE_CLASS (diskfs_control_class, _diskfs_control_clean, NULL, NULL);
MAKE_CLASS (diskfs_initboot_class, NULL, NULL, NULL);
MAKE_CLASS (diskfs_execboot_class, NULL, NULL, NULL);
MAKE_CLASS (diskfs_shutdown_notification_class, NULL, NULL, NULL);
#undef MAKE_CLASS
diskfs_port_bucket = ports_create_bucket ();
ports_label_bucket (diskfs_port_bucket, "diskfs_port_bucket");
_hurd_port_init (&_diskfs_exec_portcell, MACH_PORT_NULL);
return 0;
}
void
_diskfs_control_clean (void *arg __attribute__ ((unused)))
{
pthread_spin_lock (&_diskfs_control_lock);
_diskfs_ncontrol_ports--;
pthread_spin_unlock (&_diskfs_control_lock);
}
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