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/* Initialization of the proc server
Copyright (C) 1993,94,95,96,97,99,2000,01,13 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 <mach.h>
#include <hurd/hurd_types.h>
#include <hurd.h>
#include <hurd/startup.h>
#include <device/device.h>
#include <assert.h>
#include <argp.h>
#include <error.h>
#include <version.h>
#include <pids.h>
#include "proc.h"
#include "gnumach_U.h"
const char *argp_program_version = STANDARD_HURD_VERSION (proc);
#include "process_S.h"
#include "notify_S.h"
#include "../libports/interrupt_S.h"
#include "proc_exc_S.h"
#include "task_notify_S.h"
int
message_demuxer (mach_msg_header_t *inp,
mach_msg_header_t *outp)
{
mig_routine_t routine;
if ((routine = process_server_routine (inp)) ||
(routine = notify_server_routine (inp)) ||
(routine = ports_interrupt_server_routine (inp)) ||
(routine = proc_exc_server_routine (inp)) ||
(routine = task_notify_server_routine (inp)))
{
pthread_mutex_lock (&global_lock);
(*routine) (inp, outp);
pthread_mutex_unlock (&global_lock);
return TRUE;
}
else
return FALSE;
}
pthread_mutex_t global_lock = PTHREAD_MUTEX_INITIALIZER;
error_t
increase_priority (void)
{
mach_port_t pset = MACH_PORT_NULL, psetcntl = MACH_PORT_NULL;
error_t err;
err = thread_get_assignment (mach_thread_self (), &pset);
if (err)
goto out;
err = host_processor_set_priv (_hurd_host_priv, pset, &psetcntl);
if (err)
goto out;
err = thread_max_priority (mach_thread_self (), psetcntl, 0);
if (err)
goto out;
err = task_priority (mach_task_self (), 2, 1);
out:
if (MACH_PORT_VALID (pset))
mach_port_deallocate (mach_task_self (), pset);
if (MACH_PORT_VALID (psetcntl))
mach_port_deallocate (mach_task_self (), psetcntl);
return err;
}
int
main (int argc, char **argv, char **envp)
{
mach_port_t boot;
error_t err;
void *genport;
process_t startup_port;
struct argp argp = { 0, 0, 0, "Hurd process server" };
argp_parse (&argp, argc, argv, 0, 0, 0);
initialize_version_info ();
err = task_get_bootstrap_port (mach_task_self (), &boot);
assert_perror (err);
if (boot == MACH_PORT_NULL)
error (2, 0, "proc server can only be run by init during boot");
proc_bucket = ports_create_bucket ();
proc_class = ports_create_class (0, 0);
generic_port_class = ports_create_class (0, 0);
exc_class = ports_create_class (exc_clean, 0);
ports_create_port (generic_port_class, proc_bucket,
sizeof (struct port_info), &genport);
generic_port = ports_get_right (genport);
/* Create the initial proc object for init (PID 1). */
init_proc = create_init_proc ();
/* Create the startup proc object for /hurd/init (PID 2). */
startup_proc = allocate_proc (MACH_PORT_NULL);
startup_proc->p_deadmsg = 1;
complete_proc (startup_proc, HURD_PID_STARTUP);
/* Create our own proc object. */
self_proc = allocate_proc (mach_task_self ());
assert (self_proc);
complete_proc (self_proc, HURD_PID_PROC);
startup_port = ports_get_send_right (startup_proc);
err = startup_procinit (boot, startup_port, &startup_proc->p_task,
&authserver, &_hurd_host_priv, &_hurd_device_master);
assert_perror (err);
mach_port_deallocate (mach_task_self (), startup_port);
mach_port_mod_refs (mach_task_self (), authserver, MACH_PORT_RIGHT_SEND, 1);
_hurd_port_set (&_hurd_ports[INIT_PORT_AUTH], authserver);
mach_port_deallocate (mach_task_self (), boot);
proc_death_notify (startup_proc);
add_proc_to_hash (startup_proc); /* Now that we have the task port. */
/* Set our own argv and envp locations. */
self_proc->p_argv = (vm_address_t) argv;
self_proc->p_envp = (vm_address_t) envp;
/* Give ourselves good scheduling performance, because we are so
important. */
err = increase_priority ();
if (err)
error (0, err, "Increasing priority failed");
err = register_new_task_notification (_hurd_host_priv,
generic_port,
MACH_MSG_TYPE_MAKE_SEND);
if (err)
error (0, err, "Registering task notifications failed");
{
/* Get our stderr set up to print on the console, in case we have
to panic or something. */
mach_port_t cons;
error_t err;
err = device_open (_hurd_device_master, D_READ|D_WRITE, "console", &cons);
assert_perror (err);
stdin = mach_open_devstream (cons, "r");
stdout = stderr = mach_open_devstream (cons, "w");
mach_port_deallocate (mach_task_self (), cons);
}
while (1)
ports_manage_port_operations_multithread (proc_bucket,
message_demuxer,
0, 0, 0);
}
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