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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 ((l4_word_t) thread);
}
else
{
struct hurd_thread_exregs_in in;
struct hurd_thread_exregs_out out;
in.aspace = ADDR (0, 0);
in.aspace_cap_properties = CAP_PROPERTIES_VOID;
in.aspace_cap_properties_flags = CAP_COPY_COPY_SOURCE_GUARD;
in.activity = ADDR_VOID;
in.exception_page = addr_chop (PTR_TO_ADDR (thread->exception_area_va),
PAGESIZE_LOG2);
in.sp = (l4_word_t) thread->mcontext.sp;
in.ip = (l4_word_t) thread->mcontext.pc;
in.user_handle = (l4_word_t) thread;
err = rm_thread_exregs (ADDR_VOID, thread->object,
HURD_EXREGS_SET_ASPACE
| HURD_EXREGS_SET_ACTIVITY
| HURD_EXREGS_SET_EXCEPTION_PAGE
| HURD_EXREGS_SET_SP_IP
| HURD_EXREGS_SET_USER_HANDLE
| HURD_EXREGS_START
| HURD_EXREGS_ABORT_IPC,
in, &out);
assert (err == 0);
}
return 0;
}
|