glibc/nptl_db/td_thr_validate.c
Roland McGrath 7f08f55a9f * sysdeps/unix/sysv/linux/speed.c
(cfsetospeed): Only set c_ospeed under [_HAVE_STRUCT_TERMIOS_C_OSPEED].
	(cfsetispeed): Only set c_ispeed under [_HAVE_STRUCT_TERMIOS_C_ISPEED].
	* sysdeps/unix/sysv/linux/bits/termios.h
	(_HAVE_STRUCT_TERMIOS_C_ISPEED, _HAVE_STRUCT_TERMIOS_C_OSPEED): Define.
	* sysdeps/unix/sysv/linux/alpha/bits/termios.h: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/bits/termios.h: Likewise.
2003-09-09 07:01:01 +00:00

77 lines
2.1 KiB
C

/* Validate a thread handle.
Copyright (C) 1999, 2001, 2002, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include "thread_dbP.h"
static td_err_e
check_thread_list (const td_thrhandle_t *th, psaddr_t head)
{
td_err_e err;
psaddr_t next, ofs;
err = DB_GET_FIELD (next, th->th_ta_p, head, list_t, next, 0);
if (err == TD_OK)
{
if (next == 0)
return TD_NOTHR;
err = DB_GET_FIELD_ADDRESS (ofs, th->th_ta_p, 0, pthread, list, 0);
}
while (err == TD_OK)
{
if (next == head)
return TD_NOTHR;
if (next - (ofs - (psaddr_t) 0) == th->th_unique)
return TD_OK;
err = DB_GET_FIELD (next, th->th_ta_p, next, list_t, next, 0);
}
return err;
}
td_err_e
td_thr_validate (const td_thrhandle_t *th)
{
td_err_e err;
psaddr_t list;
LOG ("td_thr_validate");
/* First check the list with threads using user allocated stacks. */
err = DB_GET_SYMBOL (list, th->th_ta_p, __stack_user);
if (err == TD_OK)
err = check_thread_list (th, list);
/* If our thread is not on this list search the list with stack
using implementation allocated stacks. */
if (err == TD_NOTHR)
{
err = DB_GET_SYMBOL (list, th->th_ta_p, stack_used);
if (err == TD_OK)
err = check_thread_list (th, list);
}
return err;
}