htl/libc_pthread_init.c

   1 /* libc initialization for libpthread.  Hurd pthread version.
   2    Copyright (C) 2002-2021 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 <string.h>
  20 #include <pthread-functions.h>
  21
  22 __thread struct __pthread_cancelation_handler *__pthread_cleanup_stack;
  23
  24 void
  25 __libc_pthread_init (const struct pthread_functions *functions)
  26 {
  27 #ifdef SHARED
  28   /* We copy the content of the variable pointed to by the FUNCTIONS
  29      parameter to one in libc.so since this means access to the array
  30      can be done with one memory access instead of two.  */
  31   memcpy (&__libc_pthread_functions, functions,
  32           sizeof (__libc_pthread_functions));
  33   __libc_pthread_functions_init = 1;
  34 #endif
  35 }