static void printf_init (device_t master) { mach_port_t cons; kern_return_t rc; rc = device_open (master, D_READ|D_WRITE, "console", &cons); if (rc) error (2, rc, "cannot open kernel console device"); stdin = mach_open_devstream (cons, "r"); stdout = stderr = mach_open_devstream (cons, "w"); mach_port_deallocate (mach_task_self (), cons); setbuf (stdout, 0); }
/* Get our stderr set up to print on the console, in case we have to panic or something. */ error_t open_console (mach_port_t device_master) { static int got_console = 0; mach_port_t cons; error_t err; if (got_console) return 0; err = device_open (device_master, D_READ|D_WRITE, "console", &cons); if (err) return err; stdin = mach_open_devstream (cons, "r"); stdout = stderr = mach_open_devstream (cons, "w"); got_console = 1; mach_port_deallocate (mach_task_self (), cons); return 0; }
int main (int argc, char **argv, char **envp) { mach_port_t boot; error_t err; void *genport; process_t startup_port; mach_port_t startup; 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"); #if 0 err = register_new_task_notification (_hurd_host_priv, generic_port, MACH_MSG_TYPE_MAKE_SEND); if (err) error (0, err, "Registering task notifications failed"); #endif { /* 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); } startup = file_name_lookup (_SERVERS_STARTUP, 0, 0); if (MACH_PORT_VALID (startup)) { err = startup_essential_task (startup, mach_task_self (), MACH_PORT_NULL, "proc", _hurd_host_priv); if (err) /* Due to the single-threaded nature of /hurd/startup, it can only handle requests once the core server bootstrap has completed. Therefore, it does not bind itself to /servers/startup until it is ready. */ /* Fall back to abusing the message port lookup. */ startup_fallback = 1; err = mach_port_deallocate (mach_task_self (), startup); assert_perror (err); } else /* Fall back to abusing the message port lookup. */ startup_fallback = 1; while (1) ports_manage_port_operations_multithread (proc_bucket, message_demuxer, 0, 0, 0); }
int main (int argc, char **argv, char **envp) { mach_port_t boot; error_t err; mach_port_t pset, psetcntl; 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). */ startup_proc = create_startup_proc (); /* Create our own proc object (we are PID 0). */ self_proc = allocate_proc (mach_task_self ()); assert (self_proc); complete_proc (self_proc, 0); startup_port = ports_get_send_right (startup_proc); err = startup_procinit (boot, startup_port, &startup_proc->p_task, &authserver, &master_host_port, &master_device_port); 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 = thread_get_assignment (mach_thread_self (), &pset); assert_perror (err); err = host_processor_set_priv (master_host_port, pset, &psetcntl); assert_perror (err); thread_max_priority (mach_thread_self (), psetcntl, 0); assert_perror (err); err = task_priority (mach_task_self (), 2, 1); assert_perror (err); mach_port_deallocate (mach_task_self (), pset); mach_port_deallocate (mach_task_self (), psetcntl); { /* 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 (master_device_port, 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); }