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/* Load a task using the single server, and then run it
as if we were the kernel. */
Copyright (C) 1993 Free Software Foundation
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. */
/* These will prevent the Hurd-ish versions from being used */
#define task_by_pid(foo) syscall (-33, foo)
#define myfork() syscall (2)
#define execve(foo1, foo2, foo3) syscall (59, foo1, foo2, foo3)
#define write(foo1, foo2, foo3) syscall (4, foo1, foo2, foo3)
#define read(foo1, foo2, foo3) syscall (3, foo1, foo2, foo3)
#define getpid() syscall (20)
int
main (int argc, char **argv, char **envp)
{
task_t newtask;
thread_t newthread;
mach_port_t bootport;
vm_address_t startpc;
task_create (mach_task_self (), 0, &newtask);
startpc = load_image (newtask, argv[1]);
mach_port_allocate (mach_task_self (), MACH_PORT_RIGHT_RECEIVE, &bootport);
mach_port_insert_right (mach_task_self (), bootport, bootport,
MACH_MSG_TYPE_MAKE_SEND);
task_set_bootstrap_port (newtask, bootport);
mach_port_deallocate (mach_task_self (), bootport);
thread_create (newtask, &newthread);
start_thread (newtask, newthread, startpc);
request_server ();
}
mach_port_t boot, recset;
int parpid;
int otherpid;
int err;
int i;
err = mach_port_allocate (mach_task_self (),
MACH_PORT_RIGHT_RECEIVE,
&boot);
if (err)
write (1, "err1\n", 5);
device_master = task_by_pid (-2);
parpid = getpid ();
otherpid = myfork ();
write (1, "after fork\n", 11);
if (otherpid == -1)
{
write (1, "error!\n", 7);
/* perror ("fork"); */
exit (1);
}
else if (otherpid == parpid)
{
__mach_init ();
for (i = 0; i < 100000; i++);
write (1, "execing ", 8);
write (1, argv[1], strlen (argv[1]));
write (1, "\n", 1);
execve (argv[1], &argv[1], envp);
write (1, "exec failed\n", 12);
/* perror (argv[1]);*/
exit (1);
}
else
{
write (1, "parent?\n", 8);
err = mach_port_insert_right (mach_task_self (), boot, boot,
MACH_MSG_TYPE_MAKE_SEND);
if (err)
write (1, "err2\n", 5);
err = task_set_bootstrap_port (task_by_pid (otherpid), boot);
if (err)
write (1, "err3\n", 5);
write (1, "parent ", 7);
writenum (parpid);
write (1, "\nchild ", 7);
writenum (otherpid);
write (1, "\n", 1);
mach_port_allocate (mach_task_self (), MACH_PORT_RIGHT_RECEIVE,
&pseudo_master);
mach_port_insert_right (mach_task_self (), pseudo_master,
pseudo_master, MACH_MSG_TYPE_MAKE_SEND);
mach_port_allocate (mach_task_self (), MACH_PORT_RIGHT_RECEIVE,
&pseudo_console);
mach_port_insert_right (mach_task_self (), pseudo_console,
pseudo_console, MACH_MSG_TYPE_MAKE_SEND);
mach_port_allocate (mach_task_self (), MACH_PORT_RIGHT_PORT_SET,
&recset);
mach_port_move_member (mach_task_self (), pseudo_master, recset);
mach_port_move_member (mach_task_self (), pseudo_console, recset);
mach_port_move_member (mach_task_self (), boot, recset);
mach_msg_server (my_server, 10000, recset);
}
}
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