(root)/
glibc-2.38/
setjmp/
setjmp.c
       1  /* Copyright (C) 1991-2023 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 <errno.h>
      19  #include <setjmp.h>
      20  
      21  
      22  /* Save the current program position in ENV and return 0.  */
      23  int
      24  __libc_sigsetjmp (jmp_buf env, int savemask)
      25  {
      26    /* Save the signal mask if requested.  */
      27    __sigjmp_save (env, savemask);
      28  
      29    __set_errno (ENOSYS);
      30    /* No way to signal failure.	*/
      31    return 0;
      32  }
      33  
      34  weak_alias (__libc_sigsetjmp, __sigsetjmp)
      35  stub_warning (__sigsetjmp)