elf/dl-tls_init_tp.c

   1 /* Completion of TCB initialization after TLS_INIT_TP.  Generic version.
   2    Copyright (C) 2021-2024 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <ldsodefs.h>
  20
  21 #if defined SHARED && defined _LIBC_REENTRANT \
  22     && defined __rtld_lock_default_lock_recursive
  23 static void
  24 rtld_lock_default_lock_recursive (void *lock)
  25 {
  26   __rtld_lock_default_lock_recursive (lock);
  27 }
  28
  29 static void
  30 rtld_lock_default_unlock_recursive (void *lock)
  31 {
  32   __rtld_lock_default_unlock_recursive (lock);
  33 }
  34 #endif
  35
  36 void
  37 __tls_pre_init_tp (void)
  38 {
  39 #if !PTHREAD_IN_LIBC
  40   GL(dl_init_static_tls) = &_dl_nothread_init_static_tls;
  41 #endif
  42
  43 #if defined SHARED && defined _LIBC_REENTRANT \
  44     && defined __rtld_lock_default_lock_recursive
  45   GL(dl_rtld_lock_recursive) = rtld_lock_default_lock_recursive;
  46   GL(dl_rtld_unlock_recursive) = rtld_lock_default_unlock_recursive;
  47 #endif
  48 }
  49
  50 void
  51 __tls_init_tp (void)
  52 {
  53 }