1  /* Copyright (C) 2002-2023 Free Software Foundation, Inc.
       2     This file is part of the GNU C Library.
       3  
       4     The GNU C Library is free software; you can redistribute it and/or
       5     modify it under the terms of the GNU Lesser General Public
       6     License as published by the Free Software Foundation; either
       7     version 2.1 of the License, or (at your option) any later version.
       8  
       9     The GNU C Library is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12     Lesser General Public License for more details.
      13  
      14     You should have received a copy of the GNU Lesser General Public
      15     License along with the GNU C Library; if not, see
      16     <https://www.gnu.org/licenses/>.  */
      17  
      18  #include <stdlib.h>
      19  #include "pthreadP.h"
      20  #include <unwind-link.h>
      21  #include <stdio.h>
      22  #include <gnu/lib-names.h>
      23  
      24  void
      25  __pthread_exit (void *value)
      26  {
      27    {
      28      struct unwind_link *unwind_link = __libc_unwind_link_get ();
      29      if (unwind_link == NULL)
      30        __libc_fatal (LIBGCC_S_SO
      31                      " must be installed for pthread_exit to work\n");
      32    }
      33  
      34    THREAD_SETMEM (THREAD_SELF, result, value);
      35  
      36    __do_cancel ();
      37  }
      38  libc_hidden_def (__pthread_exit)
      39  weak_alias (__pthread_exit, pthread_exit)
      40  
      41  /* Ensure that the unwinder is always linked in (the __pthread_unwind
      42     reference from __do_cancel is weak).  Use ___pthread_unwind_next
      43     (three underscores) to produce a strong reference to the same
      44     file.  */
      45  PTHREAD_STATIC_FN_REQUIRE (___pthread_unwind_next)