mirror of
https://sourceware.org/git/glibc.git
synced 2025-10-26 00:57:39 +03:00
7f08f55a9f
(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.
97 lines
3.0 KiB
C
97 lines
3.0 KiB
C
/* Get a thread-specific data pointer for a thread.
|
|
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"
|
|
|
|
|
|
td_err_e
|
|
td_thr_tsd (const td_thrhandle_t *th, const thread_key_t tk, void **data)
|
|
{
|
|
td_err_e err;
|
|
psaddr_t tk_seq, level1, level2, seq, value;
|
|
void *copy;
|
|
uint32_t pthread_key_2ndlevel_size, idx1st, idx2nd;
|
|
|
|
LOG ("td_thr_tsd");
|
|
|
|
/* Get the key entry. */
|
|
err = DB_GET_VALUE (tk_seq, th->th_ta_p, __pthread_keys, tk);
|
|
if (err == TD_NOAPLIC)
|
|
return TD_BADKEY;
|
|
if (err != TD_OK)
|
|
return err;
|
|
|
|
/* Fail if this key is not at all used. */
|
|
if (((uintptr_t) tk_seq & 1) == 0)
|
|
return TD_BADKEY;
|
|
|
|
/* This makes sure we have the size information on hand. */
|
|
err = DB_GET_FIELD_ADDRESS (level2, th->th_ta_p, 0, pthread_key_data_level2,
|
|
data, 1);
|
|
if (err != TD_OK)
|
|
return err;
|
|
|
|
/* Compute the indeces. */
|
|
pthread_key_2ndlevel_size
|
|
= DB_DESC_NELEM (th->th_ta_p->ta_field_pthread_key_data_level2_data);
|
|
idx1st = tk / pthread_key_2ndlevel_size;
|
|
idx2nd = tk % pthread_key_2ndlevel_size;
|
|
|
|
/* Now fetch the first level pointer. */
|
|
err = DB_GET_FIELD (level1, th->th_ta_p, th->th_unique, pthread,
|
|
specific, idx1st);
|
|
if (err == TD_NOAPLIC)
|
|
return TD_DBERR;
|
|
if (err != TD_OK)
|
|
return err;
|
|
|
|
/* Check the pointer to the second level array. */
|
|
if (level1 == 0)
|
|
return TD_NOTSD;
|
|
|
|
/* Locate the element within the second level array. */
|
|
err = DB_GET_FIELD_ADDRESS (level2, th->th_ta_p,
|
|
level1, pthread_key_data_level2, data, idx2nd);
|
|
if (err == TD_NOAPLIC)
|
|
return TD_DBERR;
|
|
if (err != TD_OK)
|
|
return err;
|
|
|
|
/* Now copy in that whole structure. */
|
|
err = DB_GET_STRUCT (copy, th->th_ta_p, level2, pthread_key_data);
|
|
if (err != TD_OK)
|
|
return err;
|
|
|
|
/* Check whether the data is valid. */
|
|
err = DB_GET_FIELD_LOCAL (seq, th->th_ta_p, copy, pthread_key_data, seq, 0);
|
|
if (err != TD_OK)
|
|
return err;
|
|
if (seq != tk_seq)
|
|
return TD_NOTSD;
|
|
|
|
/* Finally, fetch the value. */
|
|
err = DB_GET_FIELD_LOCAL (value, th->th_ta_p, copy, pthread_key_data,
|
|
data, 0);
|
|
if (err == TD_OK)
|
|
*data = value;
|
|
|
|
return err;
|
|
}
|