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/* Start thread. L4 version.
Copyright (C) 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <assert.h>
#include <errno.h>
#include <string.h>
#include <hurd/thread.h>
#include <hurd/exceptions.h>
#include <pt-internal.h>
int
__pthread_thread_start (struct __pthread *thread)
{
error_t err;
if (__pthread_num_threads == 1)
/* The main thread is already running of course. */
{
assert (__pthread_total == 1);
assert (l4_is_thread_equal (l4_myself (), thread->threadid));
l4_set_user_defined_handle_of (hurd_exception_thread (l4_myself ()),
(l4_word_t) thread);
l4_set_user_defined_handle ((l4_word_t) thread);
}
else
{
struct cap_addr_trans addr_trans = CAP_ADDR_TRANS_VOID;
/* First, start the exception thread. */
l4_word_t dummy;
err = rm_thread_exregs (ADDR_VOID, thread->object.addr,
HURD_EXREGS_EXCEPTION_THREAD
| HURD_EXREGS_SET_SP_IP
| HURD_EXREGS_SET_USER_HANDLE
| HURD_EXREGS_START
| HURD_EXREGS_ABORT_IPC,
ADDR_VOID, 0, addr_trans, ADDR_VOID,
(l4_word_t) thread->exception_handler_sp,
(l4_word_t) exception_handler_loop, 0,
thread,
ADDR_VOID, ADDR_VOID,
&dummy, &dummy, &dummy, &dummy);
assert (err == 0);
err = rm_thread_exregs (ADDR_VOID, thread->object.addr,
HURD_EXREGS_SET_ASPACE
| HURD_EXREGS_SET_ACTIVITY
| HURD_EXREGS_SET_SP_IP
| HURD_EXREGS_SET_USER_HANDLE
| HURD_EXREGS_START
| HURD_EXREGS_ABORT_IPC,
ADDR (0, 0),
CAP_COPY_COPY_SOURCE_GUARD, addr_trans,
ADDR_VOID,
(l4_word_t) thread->mcontext.sp,
(l4_word_t) thread->mcontext.pc, 0,
thread,
ADDR_VOID, ADDR_VOID,
&dummy, &dummy, &dummy, &dummy);
assert (err == 0);
}
return 0;
}
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